Jan Kundrat
2004-Nov-14 21:15 UTC
[Xen-devel] dom0 kernel crashes with kernel panic during boot
Hi there,
I''ve just built xen & dom0 kernel from gentoo ebuilds
(bugs.gentoo.org),
but my dom0 kernel crashes during boot.
Any help is appreciated. Console log, grub.conf and .config are included,
machine is celeron/466, 128MB of RAM.
Console log:
Linux version 2.6.9-xen0 (root@zirafa) (gcc version 3.3.4 20040623 (Gentoo
Linux 3.3.4-r1, ssp-3.3.2-2, pie-8.7.6)) #2 Sun Nov 14 19:19:39 CET 2004
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000002000000 (usable)
32MB LOWMEM available.
DMI not present.
Built 1 zonelists
Kernel command line: root=/dev/hda3 ro console=ttyS0,115200n8
Initializing CPU#0
PID hash table entries: 256 (order: 8, 4096 bytes)
Xen reported: 467.733 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Linux version 2.6.9-xen0 (root@zirafa) (gcc version 3.3.4 20040623 (Gentoo
Linux 3.3.4-r1, ssp-3.3.2-2, pie-8.7.6)) #2 Sun Nov 14 19:19:39 CET 2004
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000002000000 (usable)
32MB LOWMEM available.
DMI not present.
Built 1 zonelists
Kernel command line: root=/dev/hda3 ro console=ttyS0,115200n8
Initializing CPU#0
PID hash table entries: 256 (order: 8, 4096 bytes)
Xen reported: 467.733 MHz processor.
Using tsc for high-res timesource
Console: colour VGA+ 80x25
Unable to handle kernel NULL pointer dereference at virtual address
00000000
printing eip:
c010ad74
*pde = ma 00000000 pa 55555000
[<c0107a1b>] evtchn_do_upcall+0xab/0x110
[<c010c8bb>] hypervisor_callback+0x33/0x49
[<c010796a>] force_evtchn_callback+0xa/0x10
[<c02f0760>] start_kernel+0x170/0x190
[<c02f0350>] unknown_bootoption+0x0/0x180
Oops: 0002 [#1]
PREEMPT
Modules linked in:
CPU: 0
EIP: 0061:[<c010ad74>] Not tainted VLI
EFLAGS: 00211286 (2.6.9-xen0)
EIP is at do_IRQ+0x94/0x1b0
eax: c02b1d60 ebx: 00000ff4 ecx: c02b4880 edx: c02b4880
esi: 00000000 edi: c02ef000 ebp: c02eb800 esp: c02eff5c
ds: 0069 es: 0069 ss: 0069
Process swapper (pid: 0, threadinfo=c02ef000 task=c02b1d60)
Stack: 00000080 c011cbde c031ed40 c02b4880 00000008 00000000 fbffc000
00000000
c0107a1b 00000080 c02effa8 00000001 c02effa8 00000000 c033e200
c0310220
c02ef000 c010c8bb c02effa8 00000000 c02b5b84 00000000 c033e200
c0310220
Call Trace:
[<c011cbde>] __call_console_drivers+0x5e/0x60
[<c0107a1b>] evtchn_do_upcall+0xab/0x110
[<c010c8bb>] hypervisor_callback+0x33/0x49
[<c010796a>] force_evtchn_callback+0xa/0x10
[<c02f0760>] start_kernel+0x170/0x190
[<c02f0350>] unknown_bootoption+0x0/0x180
Code: 0c 85 c9 74 7c 89 df 8b 35 00 d0 30 c0 ff 4f 14 8b 47 08 a8 08 0f 85
16 01 00 00 39 f7 0f 84 ed 00 00 00 8b 07 8d 9e f4 0f 00 00 <89> 06 89 e0
89 46 30 8b 54 24 0c 89 96 fc 0f 00 00 8b 44 24 28
<0>Kernel panic - not syncing: Fatal exception in interrupt
------------------------- end of log ----------------
my grub.conf looks like:
--- begin ---
title Xen 2.0 / XenLinux 2.6.9
kernel (hd0,0)/xen.gz dom0_mem=32768 com0=115200,8n1
module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=ttyS0,115200n8
--- end ---
and .config of dom0 (cleaned up by `grep -Ev "^#"
/usr/src/linux-2.6.9-xen0/.config | cat -s`):
--- begin ---
CONFIG_XEN=y
CONFIG_ARCH_XEN=y
CONFIG_NO_IDLE_HZ=y
CONFIG_XEN_PRIVILEGED_GUEST=y
CONFIG_XEN_PHYSDEV_ACCESS=y
CONFIG_XEN_BLKDEV_BACKEND=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_XEN_WRITABLE_PAGETABLES=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_FOREIGN_PAGES=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
CONFIG_X86=y
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_LOCALVERSION=""
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_SYSCTL=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_HOTPLUG=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_KALLSYMS=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_AS=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
CONFIG_SHMEM=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_OBSOLETE_MODPARM=y
CONFIG_KMOD=y
CONFIG_XENARCH="i386"
CONFIG_MMU=y
CONFIG_UID16=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_MPENTIUMII=y
CONFIG_X86_CMPXCHG=y
CONFIG_X86_XADD=y
CONFIG_X86_L1_CACHE_SHIFT=5
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
CONFIG_X86_BSWAP=y
CONFIG_X86_POPAD_OK=y
CONFIG_X86_GOOD_APIC=y
CONFIG_X86_INTEL_USERCOPY=y
CONFIG_X86_USE_PPRO_CHECKSUM=y
CONFIG_PREEMPT=y
CONFIG_X86_CPUID=y
CONFIG_NOHIGHMEM=y
CONFIG_HAVE_DEC_LOCK=y
CONFIG_PCI=y
CONFIG_PCI_DIRECT=y
CONFIG_EARLY_PRINTK=y
CONFIG_4KSTACKS=y
CONFIG_X86_BIOS_REBOOT=y
CONFIG_X86_STD_RESOURCES=y
CONFIG_PC=y
CONFIG_BINFMT_ELF=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_BLK_CPQ_CISS_DA=y
CONFIG_BLK_DEV_LOOP=m
CONFIG_IDE=y
CONFIG_BLK_DEV_IDE=y
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_BLK_DEV_IDECD=m
CONFIG_IDE_TASK_IOCTL=y
CONFIG_IDE_GENERIC=y
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_IDEPCI_SHARE_IRQ=y
CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_IDEDMA_PCI_AUTO=y
CONFIG_BLK_DEV_PIIX=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_IDEDMA_AUTO=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_NETFILTER=y
CONFIG_BRIDGE_NETFILTER=y
CONFIG_IP_NF_IPTABLES=m
CONFIG_BRIDGE=y
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_MII=y
CONFIG_NET_TULIP=y
CONFIG_TULIP=y
CONFIG_NET_PCI=y
CONFIG_PCNET32=y
CONFIG_8139TOO=m
CONFIG_8139TOO_PIO=y
CONFIG_INPUT=y
CONFIG_INPUT_MOUSEDEV=y
CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
CONFIG_SOUND_GAMEPORT=y
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
CONFIG_INPUT_KEYBOARD=y
CONFIG_KEYBOARD_ATKBD=y
CONFIG_VT=y
CONFIG_VT_CONSOLE=y
CONFIG_HW_CONSOLE=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_NR_UARTS=2
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
CONFIG_VGA_CONSOLE=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT3_FS_SECURITY=y
CONFIG_JBD=y
CONFIG_FS_MBCACHE=y
CONFIG_FS_POSIX_ACL=y
CONFIG_ISO9660_FS=m
CONFIG_JOLIET=y
CONFIG_ZISOFS=y
CONFIG_ZISOFS_FS=m
CONFIG_FAT_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_SYSFS=y
CONFIG_DEVFS_FS=y
CONFIG_DEVFS_MOUNT=y
CONFIG_TMPFS=y
CONFIG_RAMFS=y
CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
CONFIG_NFSD=m
CONFIG_NFSD_V3=y
CONFIG_NFSD_TCP=y
CONFIG_LOCKD=m
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=m
CONFIG_SUNRPC=m
CONFIG_MSDOS_PARTITION=y
CONFIG_NLS=m
CONFIG_NLS_DEFAULT="utf-8"
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_850=m
CONFIG_NLS_CODEPAGE_852=m
CONFIG_NLS_CODEPAGE_1250=m
CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_ISO8859_2=m
CONFIG_NLS_UTF8=m
CONFIG_CRC32=y
CONFIG_ZLIB_INFLATE=m
--- end ---
--
Jan Kundrat
jan.kundrat@fzu.cz
-------------------------------------------------------
This SF.Net email is sponsored by: InterSystems CACHE
FREE OODBMS DOWNLOAD - A multidimensional database that combines
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Ian Pratt
2004-Nov-15 09:42 UTC
RE: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> I''ve just built xen & dom0 kernel from gentoo ebuilds > (bugs.gentoo.org), but my dom0 kernel crashes during boot. > Any help is appreciated. Console log, grub.conf and .config > are included, machine is celeron/466, 128MB of RAM.The ''unknown bootoption'' is quite interesting. Please can you see what happens if you remove the ",15200n8". Thanks, Ian ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-15 16:03 UTC
RE: [Xen-devel] dom0 kernel crashes with kernel panic during boot
On 2004-11-15, 09:42, Ian Pratt wrote:> > > I''ve just built xen & dom0 kernel from gentoo ebuilds > > (bugs.gentoo.org), but my dom0 kernel crashes during boot. > > Any help is appreciated. Console log, grub.conf and .config > > are included, machine is celeron/466, 128MB of RAM. > > The ''unknown bootoption'' is quite interesting. Please can you see what > happens if you remove the ",15200n8".",115200n8", I assume. This error occured also only with "ro root=/dev/hda3", without serial console, but dump was longer than one screen. Anyway, here it goes, including some garbage at the beggining which could be caused by grub attempting to use the same serial port: ./bin/miniterm -b9600 ** ctrl-b quits miniterm ** ĎÍýÍĺLinux version 2.6.9-xen0 (root@zirafa) (gcc version 3.3.4 20040623 (GentooLinux 3.3.4-r1, ssp-3.3.2-2, pie-8.7.6)) #2 Sun Nov 14 19:19:39 CET 2004 BIOS-provided physical RAM map: Xen: 0000000000000000 - 0000000002000000 (usable) 32MB LOWMEM available. DMI not present. Built 1 zonelists Kernel command line: root=/dev/hda3 ro console=ttyS0 Initializing CPU#0 PID hash table entries: 256 (order: 8, 4096 bytes) Xen reported: 467.735 MHz processor. Using tsc for high-res timesource Console: colour VGA+ 80x25 Linux version 2.6.9-xen0 (root@zirafa) (gcc version 3.3.4 20040623 (Gentoo Linux 3.3.4-r1, ssp-3.3.2-2, pie-8.7.6)) #2 Sun Nov 14 19:19:39 CET 2004 BIOS-provided physical RAM map: Xen: 0000000000000000 - 0000000002000000 (usable) 32MB LOWMEM available. DMI not present. Built 1 zonelists Kernel command line: root=/dev/hda3 ro console=ttyS0 Initializing CPU#0 PID hash table entries: 256 (order: 8, 4096 bytes) Xen reported: 467.735 MHz processor. Using tsc for high-res timesource Console: colour VGA+ 80x25 Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c010ad74 *pde = ma 00000000 pa 55555000 [<c0107a1b>] evtchn_do_upcall+0xab/0x110 [<c010c8bb>] hypervisor_callback+0x33/0x49 [<c010796a>] force_evtchn_callback+0xa/0x10 [<c02f0760>] start_kernel+0x170/0x190 [<c02f0350>] unknown_bootoption+0x0/0x180 Oops: 0002 [#1] PREEMPT Modules linked in: CPU: 0 EIP: 0061:[<c010ad74>] Not tainted VLI EFLAGS: 00211286 (2.6.9-xen0) EIP is at do_IRQ+0x94/0x1b0 eax: c02b1d60 ebx: 00000ff4 ecx: c02b4880 edx: c02b4880 esi: 00000000 edi: c02ef000 ebp: c02eb800 esp: c02eff5c ds: 0069 es: 0069 ss: 0069 Process swapper (pid: 0, threadinfo=c02ef000 task=c02b1d60) Stack: 00000080 c011cbde c031ed40 c02b4880 00000008 00000000 fbffc000 00000000 c0107a1b 00000080 c02effa8 00000001 c02effa8 00000000 c033e200 c0310220 c02ef000 c010c8bb c02effa8 00000000 c02b5b84 00000000 c033e200 c0310220 Call Trace: [<c011cbde>] __call_console_drivers+0x5e/0x60 [<c0107a1b>] evtchn_do_upcall+0xab/0x110 [<c010c8bb>] hypervisor_callback+0x33/0x49 [<c010796a>] force_evtchn_callback+0xa/0x10 [<c02f0760>] start_kernel+0x170/0x190 [<c02f0350>] unknown_bootoption+0x0/0x180 Code: 0c 85 c9 74 7c 89 df 8b 35 00 d0 30 c0 ff 4f 14 8b 47 08 a8 08 0f 85 16 01 00 00 39 f7 0f 84 ed 00 00 00 8b 07 8d 9e f4 0f 00 00 <89> 06 89 e0 89 46 30 8b 54 24 0c 89 96 fc 0f 00 00 8b 44 24 28 <0>Kernel panic - not syncing: Fatal exception in interrupt My vmlinux has been built using DistCC, so I''ll recompile it once again. Current vmlinux is available at http://home-hep.fzu.cz/kundratj/dev/xen/vmlinux-2.6.9-xen0-distcc other interresting files could be http://home-hep.fzu.cz/kundratj/dev/xen/System.map-2.6.9-xen0-distcc http://home-hep.fzu.cz/kundratj/dev/xen/xen-syms http://home-hep.fzu.cz/kundratj/dev/xen/xen.gz -- Jan Kundrat jan.kundrat@fzu.cz ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Keir Fraser
2004-Nov-15 16:21 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> On 2004-11-15, 09:42, Ian Pratt wrote: > > > > > > I''ve just built xen & dom0 kernel from gentoo ebuilds > > > (bugs.gentoo.org), but my dom0 kernel crashes during boot. > > > Any help is appreciated. Console log, grub.conf and .config > > > are included, machine is celeron/466, 128MB of RAM. > > > > The ''unknown bootoption'' is quite interesting. Please can you see what > > happens if you remove the ",15200n8". > > ",115200n8", I assume. This error occured also only with "ro > root=/dev/hda3", without serial console, but dump was longer than one > screen. Anyway, here it goes, including some garbage at the beggining > which could be caused by grub attempting to use the same serial port:We''ve never tried XenLinux with an SSP/PIE-enabled version of GCC. You might want to try adding "-nopie -fno-stack-protector -fno-stack-protector-all" to Linux''s CFLAGS in the Linux root Makefile. Although perhaps these are already disabled -- Xen itself doesn''t build at all with PIE or SSP turned on. -- Keir ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-15 17:23 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> We''ve never tried XenLinux with an SSP/PIE-enabled version of GCC. > You might want to try adding > "-nopie -fno-stack-protector -fno-stack-protector-all" > to Linux''s CFLAGS in the Linux root Makefile. > > Although perhaps these are already disabled -- Xen itself doesn''t > build at all with PIE or SSP turned on.still crashing. vmlinux is available, see my second message. CFLAGS: --- /usr/src/linux-2.6.9-xen0/Makefile 2004-11-15 17:37:04.000000000 +0100 +++ /usr/src/linux-2.6.9-xen0/Makefile.original 2004-11-15 17:34:28.000000000 +0100 @@ -204,8 +204,7 @@ HOSTCC = gcc HOSTCXX = g++ -#HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -nopie -fno-stack-protector -fno-stack-protector-all +HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer HOSTCXXFLAGS = -O2 # Decide whether to build built-in, modular, or both. @@ -346,9 +345,7 @@ CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE) CFLAGS := -Wall -Wstrict-prototypes -Wno-trigraphs \ - -fno-strict-aliasing -fno-common \ - -nopie -fno-stack-protector -fno-stack-protector-all - + -fno-strict-aliasing -fno-common AFLAGS := -D__ASSEMBLY__ export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION LOCALVERSION KERNELRELEASE \ -- Jan Kundrat jan.kundrat@fzu.cz ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-15 17:27 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
and of course the patch should be in the opposite direction :-) -- Jan Kundrat jan.kundrat@fzu.cz ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Keir Fraser
2004-Nov-15 18:06 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> > We''ve never tried XenLinux with an SSP/PIE-enabled version of GCC. > > You might want to try adding > > "-nopie -fno-stack-protector -fno-stack-protector-all" > > to Linux''s CFLAGS in the Linux root Makefile. > > > > Although perhaps these are already disabled -- Xen itself doesn''t > > build at all with PIE or SSP turned on. > > still crashing. vmlinux is available, see my second message.Are you building with CONFIG_4KSTACKS? Can you please try without? I suspect that the config option is broken... :-( -- Keir ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-15 18:11 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> Are you building with CONFIG_4KSTACKS? Can you please try without? > I suspect that the config option is broken... :-(yes, CONFIG_4KSTACKS=y. I''ll recompile... -- Jan Kundrat jan.kundrat@fzu.cz ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-15 19:52 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> Are you building with CONFIG_4KSTACKS? Can you please try without? > I suspect that the config option is broken... :-(ok, building without CONFIG_4KSTACKS fixed that panic, but I have other problem - is it possible to share one serial port between grub, xen itself and dom0? It panics also if I use kernel (hd0,0)/xen.gz dom0_mem=32768 module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=ttyS0,115200 my grub.conf contains serial --unit=0 --speed=115200 terminal serial console the (stripped) message is: devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au) devfs: boot_options: 0x1 Limiting direct PCI/PCI transfers. serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 Serial: 8250/16550 driver $Revision: 1.90 $ 6 ports, IRQ sharing disabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A HP CISS Driver (v 2.6.2) pcnet32.c:v1.30i 06.28.2004 tsbogend@alpha.franken.de Kernel panic - not syncing: Couldn''t register Xen virtual console driver as ttyS -- Jan Kundrat jan.kundrat@fzu.cz ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Ian Pratt
2004-Nov-15 20:03 UTC
RE: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> have other problem - is it possible to share one serial port > between grub, xen itself and dom0?The easiest way to do this is to simply not build a hardware serial driver into dom0, but use the ttyS0 driver provided by the xen console driver. Just add "com1=115200,8n1" to your Xen command line, then your grub and dom0 setups should work fine. Alternatively, you could have dom0 drive the serial line directly, but you''ll have to tell the xencons driver in dom0 not to grab the ttyS name, using "xencons=off". One for the FAQ... Ian> It panics also if I use > > kernel (hd0,0)/xen.gz dom0_mem=32768 > module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro > console=ttyS0,115200 > > my grub.conf contains > > serial --unit=0 --speed=115200 > terminal serial console > > the (stripped) message is: > > devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au) > devfs: boot_options: 0x1 > Limiting direct PCI/PCI transfers. > serio: i8042 AUX port at 0x60,0x64 irq 12 > serio: i8042 KBD port at 0x60,0x64 irq 1 > Serial: 8250/16550 driver $Revision: 1.90 $ 6 ports, IRQ > sharing disabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A HP > CISS Driver (v 2.6.2) pcnet32.c:v1.30i 06.28.2004 > tsbogend@alpha.franken.de Kernel panic - not syncing: > Couldn''t register Xen virtual console driver as ttyS > > > -- > Jan Kundrat > jan.kundrat@fzu.cz > > > > ------------------------------------------------------- > This SF.Net email is sponsored by: InterSystems CACHE > FREE OODBMS DOWNLOAD - A multidimensional database that combines > robust object and relational technologies, making it a perfect match > for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/xen-devel > >------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Mark A. Williamson
2004-Nov-15 20:03 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
Have you compiled serial port support into the dom0 kernel - you shouldn''t build this driver in or it will conflict with Xen''s use of the port. If you just build in the standard Xen console driver, it will register as ttyS0 and will play nicely with Xen. HTH, Mark On Monday 15 Nov 2004 19:52, Jan Kundrat wrote:> > Are you building with CONFIG_4KSTACKS? Can you please try without? > > I suspect that the config option is broken... :-( > > ok, building without CONFIG_4KSTACKS fixed that panic, but I have other > problem - is it possible to share one serial port between grub, xen itself > and dom0? > > It panics also if I use > > kernel (hd0,0)/xen.gz dom0_mem=32768 > module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=ttyS0,115200 > > my grub.conf contains > > serial --unit=0 --speed=115200 > terminal serial console > > the (stripped) message is: > > devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au) > devfs: boot_options: 0x1 > Limiting direct PCI/PCI transfers. > serio: i8042 AUX port at 0x60,0x64 irq 12 > serio: i8042 KBD port at 0x60,0x64 irq 1 > Serial: 8250/16550 driver $Revision: 1.90 $ 6 ports, IRQ sharing disabled > ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > HP CISS Driver (v 2.6.2) > pcnet32.c:v1.30i 06.28.2004 tsbogend@alpha.franken.de > Kernel panic - not syncing: Couldn''t register Xen virtual console driver > as ttyS------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-15 20:15 UTC
RE: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> > have other problem - is it possible to share one serial port > > between grub, xen itself and dom0? > > The easiest way to do this is to simply not build a hardware serial > driver into dom0, but use the ttyS0 driver provided by the xen console > driver. > > Just add "com1=115200,8n1" to your Xen command line, then your grub and > dom0 setups should work fine. >ok, I''ll try it. Thanks for your help.> Alternatively, you could have dom0 drive the serial line directly, but > you''ll have to tell the xencons driver in dom0 not to grab the ttyS > name, using "xencons=off". > > One for the FAQ... > > Ian > > > It panics also if I use > > > > kernel (hd0,0)/xen.gz dom0_mem=32768 > > module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro > > console=ttyS0,115200 > > > > my grub.conf contains > > > > serial --unit=0 --speed=115200 > > terminal serial console > > > > the (stripped) message is: > > > > devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au) > > devfs: boot_options: 0x1 > > Limiting direct PCI/PCI transfers. > > serio: i8042 AUX port at 0x60,0x64 irq 12 > > serio: i8042 KBD port at 0x60,0x64 irq 1 > > Serial: 8250/16550 driver $Revision: 1.90 $ 6 ports, IRQ > > sharing disabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A HP > > CISS Driver (v 2.6.2) pcnet32.c:v1.30i 06.28.2004 > > tsbogend@alpha.franken.de Kernel panic - not syncing: > > Couldn''t register Xen virtual console driver as ttyS > > > > > > -- > > Jan Kundrat > > jan.kundrat@fzu.cz > > > > > > > > ------------------------------------------------------- > > This SF.Net email is sponsored by: InterSystems CACHE > > FREE OODBMS DOWNLOAD - A multidimensional database that combines > > robust object and relational technologies, making it a perfect match > > for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/xen-devel > > > > > > > ------------------------------------------------------- > This SF.Net email is sponsored by: InterSystems CACHE > FREE OODBMS DOWNLOAD - A multidimensional database that combines > robust object and relational technologies, making it a perfect match > for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/xen-devel > > >-- Jan Kundrat jan.kundrat@fzu.cz ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-15 21:15 UTC
RE: [Xen-devel] dom0 kernel crashes with kernel panic during boot
ok, it''s working now. Thanks for your help. kernel (hd0,0)/xen.gz dom0_mem=32768 com0=115200,8n1 com1=115200,8n1 module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=ttyS0,115200n8 ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Keir Fraser
2004-Nov-15 21:22 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
You can simplify your parameters a little bit...> ok, it''s working now. Thanks for your help. > > kernel (hd0,0)/xen.gz dom0_mem=32768 com0=115200,8n1 com1=115200,8n1^^^^^^^^^^^^^^^ This bit is meaningless. There is no ''com0''. The two standard serial lines are ''com1'' and ''com2''.> module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=ttyS0,115200n8^^^^^^^^^ This bit is actually unnecessary. The virtual console driver doesn''t interpret extra parameters, even when it is impersonating ttyS0. -- Keir ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Ian Pratt
2004-Nov-15 21:22 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> ok, it''s working now. Thanks for your help. > > kernel (hd0,0)/xen.gz dom0_mem=32768 com0=115200,8n1 com1=115200,8n1 > module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=ttyS0,115200n8Unless I''m much mistaken, ''com0'' is meaningless - the first serial port is com1. I''m afraid our syntax for configuring the serial port is a bit confusing... we should probably have gone for something more akin to Linux''s console= line. I guess we''d consider a patch to add an alternative syntax ;-) Ian ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-15 21:36 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> > kernel (hd0,0)/xen.gz dom0_mem=32768 com0=115200,8n1 com1=115200,8n1 > ^^^^^^^^^^^^^^^ > This bit is meaningless. > There is no ''com0''. The two standard serial lines are ''com1'' and ''com2''. >oh, thanks. I''ve been probably thinking in unix terms where everything starts at zero :-)> > module (hd0,0)/vmlinuz-2.6.9-xen0 root=/dev/hda3 ro console=ttyS0,115200n8 > ^^^^^^^^^ > This bit is actually > unnecessary. > The virtual console driver doesn''t interpret extra parameters, even > when it is impersonating ttyS0.fixed, too. Many thanks for excellent feedback :-) j. ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Keir Fraser
2004-Nov-16 12:17 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> > Are you building with CONFIG_4KSTACKS? Can you please try without? > > I suspect that the config option is broken... :-( > > yes, CONFIG_4KSTACKS=y. I''ll recompile...By the way - CONFIG_4KSTACKS is now fixed, and it is added rto the default configs for xen0 and xenU. -- Keir ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Chris Wedgwood
2004-Nov-17 02:06 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
On Tue, Nov 16, 2004 at 12:17:41PM +0000, Keir Fraser wrote:> By the way - CONFIG_4KSTACKS is now fixed, and it is added rto the > default configs for xen0 and xenU.Why is this the default? For some people this might still cause problems. ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Ian Pratt
2004-Nov-17 02:36 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> On Tue, Nov 16, 2004 at 12:17:41PM +0000, Keir Fraser wrote: > > > By the way - CONFIG_4KSTACKS is now fixed, and it is added rto the > > default configs for xen0 and xenU. > > Why is this the default? For some people this might still cause > problems.Rumour has it that FC3 kernels use it by default. If not, then I guess we should revert. At least this way it gets tested in the unstable tree ;-) Ian ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Chris Wedgwood
2004-Nov-17 02:51 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
On Wed, Nov 17, 2004 at 02:36:58AM +0000, Ian Pratt wrote:> Rumour has it that FC3 kernels use it by default.They do, before FC3 even. And it caused problems for some people (in areas that RH doesn''t support). The worst cases might be all fixed by now --- but I''m not certain of that.> If not, then I guess we should revert. At least this way it gets > tested in the unstable tree ;-)Doing something because FC<n> does it isn''t a good enough reason IMO. There might be good reasons for it, but that isn''t one. ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Keir Fraser
2004-Nov-17 09:11 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
What are the issues? I know some binary drivers don''t like it (e.g., nvidia) but they don''t work on Xen anyway. -- Keir> On Wed, Nov 17, 2004 at 02:36:58AM +0000, Ian Pratt wrote: > > > Rumour has it that FC3 kernels use it by default. > > They do, before FC3 even. > > And it caused problems for some people (in areas that RH doesn''t > support). > > The worst cases might be all fixed by now --- but I''m not certain of > that. > > > If not, then I guess we should revert. At least this way it gets > > tested in the unstable tree ;-) > > Doing something because FC<n> does it isn''t a good enough reason IMO. > There might be good reasons for it, but that isn''t one.------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-17 09:38 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> What are the issues? I know some binary drivers don''t like it (e.g., > nvidia) but they don''t work on Xen anyway. > > -- Keirif I''m not mistaken, CONFIG_4KSTACKS disables reiser4 support (at least on vanilla 2.6.8.1, not sure about Xen). Not a problem for me, though.> > > On Wed, Nov 17, 2004 at 02:36:58AM +0000, Ian Pratt wrote: > > > > > Rumour has it that FC3 kernels use it by default. > > > > They do, before FC3 even. > > > > And it caused problems for some people (in areas that RH doesn''t > > support). > > > > The worst cases might be all fixed by now --- but I''m not certain of > > that. > > > > > If not, then I guess we should revert. At least this way it gets > > > tested in the unstable tree ;-) > > > > Doing something because FC<n> does it isn''t a good enough reason IMO. > > There might be good reasons for it, but that isn''t one. > > > > ------------------------------------------------------- > This SF.Net email is sponsored by: InterSystems CACHE > FREE OODBMS DOWNLOAD - A multidimensional database that combines > robust object and relational technologies, making it a perfect match > for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/xen-devel > >-- Jan Kundrat jan.kundrat@fzu.cz ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Keir Fraser
2004-Nov-17 10:21 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> > What are the issues? I know some binary drivers don''t like it (e.g., > > nvidia) but they don''t work on Xen anyway. > > > > -- Keir > > if I''m not mistaken, CONFIG_4KSTACKS disables reiser4 support (at least on > vanilla 2.6.8.1, not sure about Xen). Not a problem for me, though.reiser4 is not in the main tree. It''s still in only the -mm tree. The reiserfs version in 2.6.9 is not disabled by the CONFIG_$kSTACKS option. -- Keir ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Jan Kundrat
2004-Nov-17 10:28 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> > > What are the issues? I know some binary drivers don''t like it (e.g., > > > nvidia) but they don''t work on Xen anyway. > > > > > > -- Keir > > > > if I''m not mistaken, CONFIG_4KSTACKS disables reiser4 support (at least on > > vanilla 2.6.8.1, not sure about Xen). Not a problem for me, though. > > reiser4 is not in the main tree. It''s still in only the -mm tree. > The reiserfs version in 2.6.9 is not disabled by the CONFIG_$kSTACKS > option.ok, maybe it was in some -gentoo patched kernel or somewhere else, who knows, but I bet I''ve seen it _somewhere_ and it has been affected by CONFIG_4KSTACKS. I''m almost sure. ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Keir Fraser
2004-Nov-17 10:32 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
> > > > What are the issues? I know some binary drivers don''t like it (e.g., > > > > nvidia) but they don''t work on Xen anyway. > > > > > > > > -- Keir > > > > > > if I''m not mistaken, CONFIG_4KSTACKS disables reiser4 support (at least on > > > vanilla 2.6.8.1, not sure about Xen). Not a problem for me, though. > > > > reiser4 is not in the main tree. It''s still in only the -mm tree. > > The reiserfs version in 2.6.9 is not disabled by the CONFIG_$kSTACKS > > option. > > ok, maybe it was in some -gentoo patched kernel or somewhere else, who > knows, but I bet I''ve seen it _somewhere_ and it has been affected by > CONFIG_4KSTACKS. I''m almost sure. >I believe that reiser4 has already been fixed in -mm so that it works with 4k stacks. So when it hits mainline in 2.6.10/2.6.11 timeframe it''ll not be an issue. -- Keir ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel
Chris Wedgwood
2004-Nov-17 13:47 UTC
Re: [Xen-devel] dom0 kernel crashes with kernel panic during boot
On Wed, Nov 17, 2004 at 09:11:44AM +0000, Keir Fraser wrote:> What are the issues? I know some binary drivers don''t like it (e.g., > nvidia) but they don''t work on Xen anyway.some filesystems (ie. XFS) had problems with 4K stacks in the past 4K stacks is also more likely to blow up when you stack things heavily, eg. fs over ecnrypted loop over nfs or whatever i''m just saying that i don''t understand *why* he change, it didn''t fix anything ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8 _______________________________________________ Xen-devel mailing list Xen-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xen-devel