search for: 0000000000000000

...there are no symbols defined in liblldb.so. After few compilations I found that problem is with linking with LLD (-DLLVM_ENABLE_LLD=ON) without the directive everything is ok. Hana ============= $ objdump -T lib64/liblldb.so lib64/liblldb.so: file format elf64-x86-64 DYNAMIC SYMBOL TABLE: 0000000000000000 w D *UND* 0000000000000000 __gmon_start__ 0000000000000000 w D *UND* 0000000000000000 _ITM_deregisterTMCloneTable 0000000000000000 w D *UND* 0000000000000000 _ITM_registerTMCloneTable 0000000000000000 w D *UND* 0000000000000000 _Jv...

Hello, I update my building scripts to build LLVM 4.0 RC1 (with clang, lldb, libc++, libc++abi, lld) on CentOS 6 and I got a lot of undefined symbols during linking LLDB. I'm using clang-3.9 and this configuration: -DLLVM_TARGETS_TO_BUILD="X86" -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++

...(XEN) VGA is text mode 80x25, font 8x16 (XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds (XEN) EDID info not retrieved because no DDC retrieval method detected (XEN) Disc information: (XEN) Found 3 MBR signatures (XEN) Found 3 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 00000000000a0000 (usable) (XEN) 0000000000100000 - 00000000bf679000 (usable) (XEN) 00000000bf679000 - 00000000bf68f000 (reserved) (XEN) 00000000bf68f000 - 00000000bf6ce000 (ACPI data) (XEN) 00000000bf6ce000 - 00000000c0000000 (reserved) (XEN) 00000000e0000000 - 00000000f0000000 (reserved) (X...

...x28: 000000000000000e [ 3.571014] x27: ffff8009760f2000 x26: 0000000000000001 [ 3.571018] x25: 00000000000007ff x24: 0000000040006860 [ 3.571021] x23: 0000000000000005 x22: ffff8009760f2010 [ 3.571024] x21: 0000000000000004 x20: 0000000000000004 [ 3.571026] x19: ffff800976f67000 x18: 0000000000000000 [ 3.571029] x17: 0000000000000008 x16: ffff800976000c00 [ 3.571032] x15: 0000000000000018 x14: 0000030300000326 [ 3.571035] x13: ffff8009766b1000 x12: 0000000000000540 [ 3.571038] x11: 0000000002b68908 x10: 0000000000000870 [ 3.571042] x9 : 0000000000000005 x8 : 0000000000000000 [...

...ons and renames them to .zdebug_xxx. binutils (and GDB) support this properly, while LLVM command line tools don't: $ ld --version GNU gold (GNU Binutils for Ubuntu 2.22) 1.11 $ ./bin/clang++ -g a.cc -Wl,--compress-debug-sections=zlib $ objdump -h a.out | grep debug 26 .debug_info 00000066 0000000000000000 0000000000000000 00002010 2**0 27 .debug_abbrev 00000048 0000000000000000 0000000000000000 00002068 2**0 28 .debug_aranges 00000000 0000000000000000 0000000000000000 000020bb 2**0 29 .debug_macinfo 00000000 0000000000000000 0000000000000000 000020cf 2**0 30 .debug_line 00000053...

...evice virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \ -append 'panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/sdb selinux=0 guestfs_verbose=1 TERM=xterm' qemu: fatal: This KVM version does not support PAPR NIP 0000000000000000 LR 0000000000000000 CTR 0000000000000000 XER 0000000000000000 MSR 0000000000000000 HID0 0000000000000000 HF 0000000000000000 idx 0 TB 00000000 00000000 DECR 00000000 GPR00 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR04 0000000000000000 0000000000000000 0000000000000000...

...i0cf8/*@4 (d6) (d6) Press F12 for boot menu. (d6) (d6) Searching bootorder for: HALT (d6) drive 0x000f6400: PCHS=16383/16/63 translation=lba LCHS=1024/255/63 s=83886080 (d6) Space available for UMB: ca800-ee800, f5e20-f63a0 (d6) Returned 258048 bytes of ZoneHigh (d6) e820 map has 6 items: (d6) 0: 0000000000000000 - 000000000009fc00 = 1 RAM (d6) 1: 000000000009fc00 - 00000000000a0000 = 2 RESERVED (d6) 2: 00000000000f0000 - 0000000000100000 = 2 RESERVED (d6) 3: 0000000000100000 - 00000000bf7ff000 = 1 RAM (d6) 4: 00000000bf7ff000 - 00000000bf800000 = 2 RESERVED (d6) 5: 00000000fc000000 - 0000000100000000 = 2 R...

...g an error .... Error: Device 0 (vif) could not be connected. Hotplug scripts not working. After that I checked my var/log/messages and It gave lots of xenstore-write segfault,exact error is attached iniline. Jul 12 07:26:46 centosxcat2 kernel: xenstore-read[16643]: segfault at 0000000000000000 rip 0000000000000000 rsp 00007fff2036def8 error 4 Now I dont know whether segfault error were caused by first error or they are independent , I think they occured after i tried to create domU with bridge networking. And also this error (segfault) is occurring contin...

...t this properly, while LLVM command line tools >> don't: >> >> $ ld --version >> GNU gold (GNU Binutils for Ubuntu 2.22) 1.11 >> $ ./bin/clang++ -g a.cc -Wl,--compress-debug-sections=zlib >> $ objdump -h a.out | grep debug >> 26 .debug_info 00000066 0000000000000000 0000000000000000 00002010 >> 2**0 >> 27 .debug_abbrev 00000048 0000000000000000 0000000000000000 00002068 >> 2**0 >> 28 .debug_aranges 00000000 0000000000000000 0000000000000000 000020bb >> 2**0 >> 29 .debug_macinfo 00000000 0000000000000000 00000...

...=ehci@pci00:1d.0 console=dbgp loglvl=all sync_console (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 1 MBR signatures (XEN) Found 1 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 0000000000091800 (usable) (XEN) 0000000000091800 - 00000000000a0000 (reserved) (XEN) 00000000000e0000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 00000000aad0b000 (usable) (XEN) 00000000aad0b000 - 00000000aad12000 (ACPI NVS) (XEN) 00000000aad12000 - 00000000ab917000 (usable) (XEN) 0000...

...t; binutils (and GDB) support this properly, while LLVM command line tools > don't: > > $ ld --version > GNU gold (GNU Binutils for Ubuntu 2.22) 1.11 > $ ./bin/clang++ -g a.cc -Wl,--compress-debug-sections=zlib > $ objdump -h a.out | grep debug > 26 .debug_info 00000066 0000000000000000 0000000000000000 00002010 > 2**0 > 27 .debug_abbrev 00000048 0000000000000000 0000000000000000 00002068 > 2**0 > 28 .debug_aranges 00000000 0000000000000000 0000000000000000 000020bb > 2**0 > 29 .debug_macinfo 00000000 0000000000000000 0000000000000000 000020cf &g...

Hi Rich I'm noe getting the below logs after running libguestfs-test-tool.. SUPERMIN_MODULES=/lib/modules/3.8.13-rt9-QorIQ-SDK-V1.4 SUPERMIN_KERNEL=/boot/vmlinuz-3.8.13-rt9-QorIQ-SDK-V1.4 PATH=/bin:/sbin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/sbin:/usr/local/bin SELinux: sh: getenforce: command not found guestfs_get_append: (null) guestfs_get_autosync: 1 guestfs_get_backend: direct

Replicated on another Xen node, CentOS 6.9 running Xen-4.6.6-8.el6. xl dmesg: (XEN) d38v0: unhandled page fault (ec=0000) (XEN) Pagetable walk from 0000000000000028: (XEN) L4[0x000] = 0000000000000000 ffffffffffffffff (XEN) domain_crash_sync called from entry.S: fault at ffff82d080230983 create_bounce_frame+0x12b/0x13a (XEN) Domain 38 (vcpu#0) crashed on cpu#2: (XEN) ----[ Xen-4.6.6-8.el6 x86_64 debug=n Not tainted ]---- (XEN) CPU: 2 (XEN) RIP: e033:[<ffffffff8103f261>] (XEN) RFLAGS: 0000...

...ding state INFO: task cgroup:83 blocked for more than 120 seconds. Not tainted 2.6.32-431.23.3.el6.x86_64 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. cgroup D 0000000000000009 0 83 2 0x00000000 ffff880411cb9d60 0000000000000046 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffff880411cb2aa0 ffff880411cb3058 ffff880411cb9fd8 000000000000fbc8 ffff880411cb3058 Call Trace: [<ffffffff8152a36e>] __mutex_lock_slowpath+0x13e/0x180 [<ffffffff810d24d0>] ? do_rebuild_sched_domains+0x0/0x50 [<...

...#39;, ] vif=[ ''mac=00:16:3e:11:be:de,bridge=xenbr30'', ] serial="pty" The domU appears to try to start, but immediately crashes. When I look at xm dmesg, I get the following output: (XEN) Unhandled page fault in domain 119 on VCPU 0 (ec=0002) (XEN) Pagetable walk from 0000000000000000: (XEN) L4[0x000] = 00000001e7127067 0000000000007a0c (XEN) L3[0x000] = 0000000000000000 ffffffffffffffff (XEN) domain_crash_sync called from entry.S (XEN) Domain 119 (vcpu#0) crashed on cpu#1: (XEN) ----[ Xen-3.2.3_17040_17-0.5_24_xtp x86_64 debug=n Not tainted ]---- (XEN) CPU: 1 (XEN) RIP...

...command line tools >>> don't: >>> >>> $ ld --version >>> GNU gold (GNU Binutils for Ubuntu 2.22) 1.11 >>> $ ./bin/clang++ -g a.cc -Wl,--compress-debug-sections=zlib >>> $ objdump -h a.out | grep debug >>> 26 .debug_info 00000066 0000000000000000 0000000000000000 00002010 >>> 2**0 >>> 27 .debug_abbrev 00000048 0000000000000000 0000000000000000 00002068 >>> 2**0 >>> 28 .debug_aranges 00000000 0000000000000000 0000000000000000 000020bb >>> 2**0 >>> 29 .debug_macinfo 00000000 00...

...; don't: > >>> > >>> $ ld --version > >>> GNU gold (GNU Binutils for Ubuntu 2.22) 1.11 > >>> $ ./bin/clang++ -g a.cc -Wl,--compress-debug-sections=zlib > >>> $ objdump -h a.out | grep debug > >>> 26 .debug_info 00000066 0000000000000000 0000000000000000 > 00002010 > >>> 2**0 > >>> 27 .debug_abbrev 00000048 0000000000000000 0000000000000000 > 00002068 > >>> 2**0 > >>> 28 .debug_aranges 00000000 0000000000000000 0000000000000000 > 000020bb > >>> 2**0 >...

..._alias(old, new) is defined as: extern __typeof(old) new __attribute__((weak, alias(#old))) This generates the following object file: mspencer at mspencer-vm:~/Projects/test$ objdump -st ../musl/src/stdio/__stdio_exit.o ../musl/src/stdio/__stdio_exit.o: file format elf64-x86-64 SYMBOL TABLE: 0000000000000000 l df *ABS* 0000000000000000 src/stdio/__stdio_exit.c 0000000000000044 l F .text 0000000000000049 close_file 0000000000000000 l O .rodata 0000000000000008 dummy_file 0000000000000000 l d .text 0000000000000000 .text 0000000000000000 l d .data 0000000000000000 .data 0000...

...barrier calls to be sure that we get proper values in the tun_ring_recv context. Crash log [35321.580227] Unable to handle kernel NULL pointer dereference at virtual address 00000060 [35321.596720] pgd = ffff809ee552f000 [35321.603723] [00000060] *pgd=0000009f514ac003, *pud=0000009f54f7c003, *pmd=0000000000000000 [35321.620588] Internal error: Oops: 96000006 1 SMP [35321.630461] Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_4 [35321.728501] CPU: 114 PID: 5560 Comm: qemu-system-aar Not tainted 4.11.8-4k-v...

...barrier calls to be sure that we get proper values in the tun_ring_recv context. Crash log [35321.580227] Unable to handle kernel NULL pointer dereference at virtual address 00000060 [35321.596720] pgd = ffff809ee552f000 [35321.603723] [00000060] *pgd=0000009f514ac003, *pud=0000009f54f7c003, *pmd=0000000000000000 [35321.620588] Internal error: Oops: 96000006 1 SMP [35321.630461] Modules linked in: xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_4 [35321.728501] CPU: 114 PID: 5560 Comm: qemu-system-aar Not tainted 4.11.8-4k-v...