Hi,
I am having some issues with xen hypervisor crashing because it could not find
one of the cores in my processor. This is not consistent. It happens once in
every two or three boots.
Is this is xen bug or is it something related to BIOS. If it is a xen bug, has
it been addressed and could you point me to the right patch.
Here is the xen boot message.
title CentOS (2.6.18-274.7.1.el5xen)
root (hd0,0)
kernel /boot/xen.gz-3.4.2 dom0_mem=512M iommu=1
module /boot/vmlinuz-2.6.18-274.7.1.el5xen ro root=/dev/md0
module /boot/initrd-2.6.18-274.7.1.el5xen.img
\ \/ /___ _ __ |___ /| || | |___ \
\ // _ \ ''_ \ |_ \| || |_ __) |
/ \ __/ | | | ___) |__ _| / __/
/_/\_\___|_| |_| |____(_) |_|(_)_____|
(XEN) Xen version 3.4.2 (root@gitco.tld) (gcc version 4.1.2 20080704 (Red Hat
4.1.2-44)) Wed Nov 11 21:16:28 CET 2009
(XEN) Latest ChangeSet: unavailable
(XEN) Command line: dom0_mem=512M iommu=1
(XEN) Video information:
(XEN) VGA is text mode 80x25, font 8x16
(XEN) VBE/DDC methods: V2; EDID transfer time: 1 seconds
(XEN) Disc information:
(XEN) Found 2 MBR signatures
(XEN) Found 2 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN) 0000000000000000 - 000000000009d800 (usable)
(XEN) 000000000009d800 - 00000000000a0000 (reserved)
(XEN) 00000000000e0000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 0000000020000000 (usable)
(XEN) 0000000020000000 - 0000000020200000 (reserved)
(XEN) 0000000020200000 - 0000000040000000 (usable)
(XEN) 0000000040000000 - 0000000040200000 (reserved)
(XEN) 0000000040200000 - 00000000bac6d000 (usable)
(XEN) 00000000bac6d000 - 00000000bacb6000 (ACPI NVS)
(XEN) 00000000bacb6000 - 00000000bacbe000 (ACPI data)
(XEN) 00000000bacbe000 - 00000000badf7000 (reserved)
(XEN) 00000000badf7000 - 00000000badf9000 (usable)
(XEN) 00000000badf9000 - 00000000bae09000 (reserved)
(XEN) 00000000bae09000 - 00000000bae16000 (ACPI NVS)
(XEN) 00000000bae16000 - 00000000bae3b000 (reserved)
(XEN) 00000000bae3b000 - 00000000bae7e000 (ACPI NVS)
(XEN) 00000000bae7e000 - 00000000bb000000 (usable)
(XEN) 00000000bb800000 - 00000000bfa00000 (reserved)
(XEN) 00000000fed1c000 - 00000000fed40000 (reserved)
(XEN) 00000000ff000000 - 0000000100000000 (reserved)
(XEN) 0000000100000000 - 000000023fe00000 (usable)
(XEN) System RAM: 8103MB (8298040kB)
(XEN) ACPI: RSDP 000F0450, 0024 (r2 ALASKA)
(XEN) ACPI: XSDT BACB6068, 0054 (r1 ALASKA A M I 1072009 AMI 10013)
(XEN) ACPI: FACP BACBCF00, 00F4 (r4 ALASKA A M I 1072009 AMI 10013)
(XEN) ACPI: DSDT BACB6150, 6DB0 (r2 ALASKA A M I 15 INTL 20051117)
(XEN) ACPI: FACS BAE0DF80, 0040
(XEN) ACPI: APIC BACBCFF8, 0072 (r3 ALASKA A M I 1072009 AMI 10013)
(XEN) ACPI: SSDT BACBD070, 0102 (r1 AMICPU PROC 1 MSFT 3000001)
(XEN) ACPI: MCFG BACBD178, 003C (r1 ALASKA A M I 1072009 MSFT 97)
(XEN) ACPI: HPET BACBD1B8, 0038 (r1 ALASKA A M I 1072009 AMI. 4)
(XEN) ACPI: ASF! BACBD1F0, 00A0 (r32 INTEL HCG 1 TFSM F4240)
(XEN) Domain heap initialised
(XEN) ACPI: Invalid FACS signature 箢
(XEN) Processor #0 6:10 APIC version 21
(XEN) Processor #2 6:10 APIC version 21
(XEN) Processor #4 6:10 APIC version 21
(XEN) Processor #6 6:10 APIC version 21
(XEN) IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23
(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2793.729 MHz processor.
(XEN) VMX: Supported advanced features:
(XEN) - APIC MMIO access virtualisation
(XEN) - APIC TPR shadow
(XEN) - Extended Page Tables (EPT)
(XEN) - Virtual-Processor Identifiers (VPID)
(XEN) - Virtual NMI
(XEN) - MSR direct-access bitmap
(XEN) VMX: EPT is available.
(XEN) VMX: VPID is available.
(XEN) HVM: VMX enabled
(XEN) HVM: Hardware Assisted Paging detected.
(XEN) CPU0: Intel(R) Core(TM) i5-2300 CPU @ 2.80GHz stepping 07
(XEN) Booting processor 1/2 eip 8c000
(XEN) Not responding.
(XEN) Inquiring remote APIC #2...
(XEN) ... APIC #2 ID: failed
(XEN) ... APIC #2 VERSION: failed
(XEN) ... APIC #2 SPIV: failed
(XEN) CPU #2 not responding - cannot use it.
(XEN) Booting processor 1/4 eip 8c000
(XEN) CPU1: Intel(R) Core(TM) i5-2300 CPU @ 2.80GHz stepping 07
(XEN) Booting processor 2/6 eip 8c000
(XEN) Not responding.
(XEN) Inquiring remote APIC #6...
(XEN) ... APIC #6 ID: failed
(XEN) ... APIC #6 VERSION: failed
(XEN) ... APIC #6 SPIV: failed
(XEN) CPU #6 not responding - cannot use it.
(XEN) Total of 2 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN) -> Using new ACK method
(XEN) checking TSC synchronization across 2 CPUs: passed.
(XEN) Platform timer is 14.318MHz HPET
(XEN) Brought up 2 CPUs
(XEN) I/O virtualisation disabled
(XEN) xenoprof: Initialization failed. Intel processor model 42 for P6 class
family is not supported
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen kernel: 64-bit, lsb, compat32
(XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 ->
0xffffffff808e500c
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Dom0 alloc.: 0000000236000000->0000000238000000 (122880 pages to be
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: ffffffff80200000->ffffffff808e500c
(XEN) Init. ramdisk: ffffffff808e6000->ffffffff80fc9200
(XEN) Phys-Mach map: ffffffff80fca000->ffffffff810ca000
(XEN) Start info: ffffffff810ca000->ffffffff810ca4b4
(XEN) Page tables: ffffffff810cb000->ffffffff810d8000
(XEN) Boot stack: ffffffff810d8000->ffffffff810d9000
(XEN) TOTAL: ffffffff80000000->ffffffff81400000
(XEN) ENTRY ADDRESS: ffffffff80200000
(XEN) Dom0 has maximum 2 VCPUs
(XEN) Scrubbing Free RAM:
..........................................................................done.
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) Xen is relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type ''CTRL-a'' three times
to switch input to Xen)
(XEN) Freed 128kB init memory.
Thanks.
Regards.
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Hi,<BR>I am having some issues with xen hypervisor crashing because it
could not find one of the cores in my processor. This is not consistent. It
happens once in every two or three boots.<BR>Is this is xen bug or is it
something related to BIOS. If it is a xen bug, has it been addressed and could
you point me to the right patch.<BR><BR>Here is the xen boot
message.<BR>
<BR>
title CentOS
(2.6.18-274.7.1.el5xen)<BR>
root
(hd0,0)<BR>
kernel /boot/xen.gz-3.4.2 dom0_mem=512M
iommu=1<BR>
module /boot/vmlinuz-2.6.18-274.7.1.el5xen ro
root=/dev/md0<BR>
module /boot/initrd-2.6.18-274.7.1.el5xen.img<BR><BR>
\ \/ /___ _ __ |___ /| || | |___
\<BR> \ // _ \ ''_
\ |_ \| || |_ __)
|<BR> / \ __/ | | | ___)
|__ _| / __/<BR> /_/\_\___|_| |_| |____(_)
|_|(_)_____|<BR>
(XEN) Xen version 3.4.2 (<A
href="mailto:root@gitco.tld">root@gitco.tld</A>) (gcc version
4.1.2 20080704 (Red Hat 4.1.2-44)) Wed Nov 11 21:16:28 CET 2009<BR>(XEN)
Latest ChangeSet: unavailable<BR>(XEN) Command line: dom0_mem=512M
iommu=1<BR>(XEN) Video information:<BR>(XEN) VGA is text
mode 80x25, font 8x16<BR>(XEN) VBE/DDC methods: V2; EDID
transfer time: 1 seconds<BR>(XEN) Disc
information:<BR>(XEN) Found 2 MBR
signatures<BR>(XEN) Found 2 EDD information
structures<BR>(XEN) Xen-e820 RAM map:<BR>(XEN)
0000000000000000 - 000000000009d800 (usable)<BR>(XEN)
000000000009d800 - 00000000000a0000 (reserved)<BR>(XEN)
00000000000e0000 - 0000000000100000 (reserved)<BR>(XEN)
0000000000100000 - 0000000020000000 (usable)<BR>(XEN)
0000000020000000 -
0000000020200000 (reserved)<BR>(XEN) 0000000020200000 -
0000000040000000 (usable)<BR>(XEN) 0000000040000000 -
0000000040200000 (reserved)<BR>(XEN) 0000000040200000 -
00000000bac6d000 (usable)<BR>(XEN) 00000000bac6d000 -
00000000bacb6000 (ACPI NVS)<BR>(XEN) 00000000bacb6000 -
00000000bacbe000 (ACPI data)<BR>(XEN) 00000000bacbe000 -
00000000badf7000 (reserved)<BR>(XEN) 00000000badf7000 -
00000000badf9000 (usable)<BR>(XEN) 00000000badf9000 -
00000000bae09000 (reserved)<BR>(XEN) 00000000bae09000 -
00000000bae16000 (ACPI NVS)<BR>(XEN) 00000000bae16000 -
00000000bae3b000 (reserved)<BR>(XEN) 00000000bae3b000 -
00000000bae7e000 (ACPI NVS)<BR>(XEN) 00000000bae7e000 -
00000000bb000000 (usable)<BR>(XEN) 00000000bb800000
- 00000000bfa00000 (reserved)<BR>(XEN) 00000000fed1c000 -
00000000fed40000 (reserved)<BR>(XEN) 00000000ff000000 -
0000000100000000 (reserved)<BR>(XEN) 0000000100000000 -
000000023fe00000 (usable)<BR>(XEN) System RAM: 8103MB
(8298040kB)<BR>(XEN) ACPI: RSDP 000F0450, 0024 (r2 ALASKA)<BR>(XEN)
ACPI: XSDT BACB6068, 0054 (r1 ALASKA A M
I 1072009 AMI
10013)<BR>(XEN) ACPI: FACP BACBCF00, 00F4 (r4
ALASKA A M I 1072009
AMI 10013)<BR>(XEN) ACPI: DSDT
BACB6150, 6DB0 (r2 ALASKA A M
I 15 INTL
20051117)<BR>(XEN) ACPI: FACS BAE0DF80, 0040<BR>(XEN) ACPI: APIC
BACBCFF8, 0072 (r3 ALASKA A M I 1072009
AMI &
nbsp; 10013)<BR>(XEN) ACPI: SSDT BACBD070, 0102 (r1
AMICPU
PROC 1
MSFT 3000001)<BR>(XEN) ACPI: MCFG BACBD178, 003C (r1
ALASKA A M I 1072009
MSFT
97)<BR>(XEN) ACPI: HPET BACBD1B8, 0038 (r1
ALASKA A M I 1072009
AMI.
4)<BR>(XEN) ACPI: ASF! BACBD1F0, 00A0 (r32
INTEL
HCG 1
TFSM F4240)<BR>(XEN) Domain heap
initialised<BR>(XEN) ACPI: Invalid FACS signature 箢<BR>(XEN)
Processor #0 6:10 APIC version 21<BR>(XEN) Processor #2 6:10 APIC version
21<BR>(XEN) Processor #4 6:10 APIC version 21<BR>(XEN) Proce
ssor #6 6:10 APIC version 21<BR>(XEN) IOAPIC[0]: apic_id 0, version 32,
address 0xfec00000, GSI 0-23<BR>(XEN) Enabling APIC mode:
Flat. Using 1 I/O APICs<BR>(XEN) Using scheduler: SMP Credit
Scheduler (credit)<BR>(XEN) Detected 2793.729 MHz
processor.<BR>(XEN) VMX: Supported advanced
features:<BR>(XEN) - APIC MMIO access
virtualisation<BR>(XEN) - APIC TPR
shadow<BR>(XEN) - Extended Page Tables
(EPT)<BR>(XEN) - Virtual-Processor Identifiers
(VPID)<BR>(XEN) - Virtual NMI<BR>(XEN) - MSR
direct-access bitmap<BR>(XEN) VMX: EPT is available.<BR>(XEN) VMX:
VPID is available.<BR>(XEN) HVM: VMX enabled<BR>(XEN) HVM: Hardware
Assisted Paging detected.<BR>(XEN) CPU0: Intel(R) Core(TM) i5-2300 CPU @
2.80GHz stepping 07<BR><FONT color=#ff0000>(XEN) Boot
ing processor 1/2 eip 8c000<BR>(XEN) Not responding.<BR>(XEN)
Inquiring remote APIC #2...<BR>(XEN) ... APIC #2 ID: failed<BR>(XEN)
... APIC #2 VERSION: failed<BR>(XEN) ... APIC #2 SPIV:
failed<BR>(XEN) CPU #2 not responding - cannot use
it.<BR></FONT>(XEN) Booting processor 1/4 eip 8c000<BR>(XEN)
CPU1: Intel(R) Core(TM) i5-2300 CPU @ 2.80GHz stepping 07<BR><FONT
color=#ff0000>(XEN) Booting processor 2/6 eip 8c000<BR>(XEN) Not
responding.<BR>(XEN) Inquiring remote APIC #6...<BR>(XEN) ... APIC
#6 ID: failed<BR>(XEN) ... APIC #6 VERSION: failed<BR>(XEN) ... APIC
#6 SPIV: failed<BR>(XEN) CPU #6 not responding - cannot use
it.<BR></FONT>(XEN) Total of 2 processors activated.<BR>(XEN)
ENABLING IO-APIC IRQs<BR>(XEN) -> Using new ACK
method<BR>(XEN) checking TSC synchronization across 2
CPUs: passed.<BR>(XEN) Platform timer is 14.318MHz HPET<BR>(XEN)
Brought up 2 CPUs<BR>(XEN) I/O virtualisation disabled<BR>(XEN)
xenoprof: Initialization failed. Intel processor model 42 for P6 class family is
not supported<BR>(XEN) *** LOADING DOMAIN 0 ***<BR>(XEN)
Xen kernel: 64-bit, lsb, compat32<BR>(XEN) Dom0
kernel: 64-bit, lsb, paddr 0xffffffff80200000 ->
0xffffffff808e500c<BR>(XEN) PHYSICAL MEMORY
ARRANGEMENT:<BR>(XEN) Dom0 alloc.:
0000000236000000->0000000238000000 (122880 pages to be
allocated)<BR>(XEN) VIRTUAL MEMORY ARRANGEMENT:<BR>(XEN)
Loaded kernel:
ffffffff80200000->ffffffff808e500c<BR>(XEN) Init.
ramdisk: ffffffff808e6000->ffffffff80fc9200<BR>(XEN)
Phys-Mach map: ffffffff80fca000->ffffffff810ca000<BR>(X
EN) Start info:
ffffffff810ca000->ffffffff810ca4b4<BR>(XEN) Page
tables:
ffffffff810cb000->ffffffff810d8000<BR>(XEN) Boot
stack:
ffffffff810d8000->ffffffff810d9000<BR>(XEN)
TOTAL:
ffffffff80000000->ffffffff81400000<BR>(XEN) ENTRY
ADDRESS: ffffffff80200000<BR>(XEN) Dom0 has maximum 2 VCPUs<BR>(XEN)
Scrubbing Free RAM:
..........................................................................done.<BR>(XEN)
Xen trace buffers: disabled<BR>(XEN) Std. Loglevel: Errors and
warnings<BR>(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and
warnings)<BR>(XEN) Xen is relinquishing VGA console.<BR>(XEN) ***
Serial input -> DOM0 (type ''CTRL-a'' three times to s
witch input to Xen)<BR>(XEN) Freed 128kB init memory.<BR><BR>
Thanks.<BR>
Regards.<BR><BR><BR> </div></body>
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