[CentOS] Centos 5.6 kernel errors

Matt Keating matt.keating.lists at gmail.com
Thu May 19 11:45:23 UTC 2011


Hi guys,

Is anyone else having kernel issues with CentOS 5.6?
I cant get it stable on as a LAMP platform.

Everything is up-to-date and yet I'm running into major problems.
How do I make sense of these kernel errors? Any help will be greatly
appreciated, as I'm now had to roll back to an old copy of CentOS to keep my
systems stable.


Random Cron:

 14857 kernel: Oops: 0003 [#3]
 14857 kernel: SMP
 14857 kernel: CPU:    0
 14857 kernel: EIP is at pgd_free+0x104/0x140
 14857 kernel: eax: 00000000   ebx: 00000000   ecx: 00000400   edx: 80000003
 14857 kernel: esi: e8caa000   edi: e8caa000   ebp: e8cffd68   esp: e8cffd48
 14857 kernel: ds: 007b   es: 007b   ss: 0069
 14857 kernel: Process crond (pid: 2620, threadinfo=e8cfe000 task=e9419550)
 14857 kernel: Stack: <0>e8caa000 00000000 00000003 e8ca3c44 e8ca6018
e8c6f740 e8c6f788 e8c6f740
 14857 kernel: e8cffd7c c011bd9b e8ca6000 e8c6f788 e8c6f740 e8cffd90
c011be50 e8c6f740
 14857 kernel: e8cffde8 00007ff0 e8cffe20 c0170a8a e8c6f740 e8c6f740
c030b547 e8cffdb8
 14857 kernel: Call Trace:
 14857 kernel: [<c01058bd>] show_stack_log_lvl+0xcd/0x120
 14857 kernel: [<c0105abb>] show_registers+0x1ab/0x240
 14857 kernel: [<c0105dc1>] die+0x111/0x240
 14857 kernel: [<c01130a7>] do_page_fault+0x5f7/0x931
 14857 kernel: [<c01052ab>] error_code+0x2b/0x30
 14857 kernel: [<c011bd9b>] __mmdrop+0x1b/0x50
 14857 kernel: [<c011be50>] mmput+0x80/0xa0
 14857 kernel: [<c0170a8a>] flush_old_exec+0x1ba/0xb30
 14857 kernel: [<c0191e1f>] load_elf_binary+0x26f/0x1780
 14857 kernel: [<c0171602>] search_binary_handler+0x92/0x240
 14857 kernel: [<c0171923>] do_execve+0x173/0x215
 14857 kernel: [<c0103892>] sys_execve+0x42/0xa0
 14857 kernel: [<c0105119>] syscall_call+0x7/0xb
 14857 kernel: Code: e1 0c 25 ff 0f 00 00 09 c1 89 ce 83 ce 01 81 ee 01 00
00 40 31 db 89 5c 24 04 89 f7 89 34 24 e8 53 eb ff ff 31 c0 b9 00 04 00 00
<f3> ab a1 e4 ec 3a c0 89 74 24 04 89 04 24 e8 39 dc 04 00 8b 45

Random while updating a package with yum:
14857 kernel: Oops: 0003 [#4]
 14857 kernel: SMP
 14857 kernel: CPU:    0
 14857 kernel: EIP is at pgd_free+0x104/0x140
 14857 kernel: eax: 00000000   ebx: 00000000   ecx: 00000400   edx: 80000002
 14857 kernel: esi: e8545000   edi: e8545000   ebp: e8c8bd68   esp: e8c8bd48
 14857 kernel: ds: 007b   es: 007b   ss: 0069
 14857 kernel: Process yum (pid: 2721, threadinfo=e8c8a000 task=e9f65550)
 14857 kernel: Stack: <0>e8545000 00000000 00000003 e854c1d8 e8546018
e8c6f040 e8c6f088 e8c6f040
 14857 kernel: e8c8bd7c c011bd9b e8546000 e8c6f088 e8c6f040 e8c8bd90
c011be50 e8c6f040
 14857 kernel: e8c8bde8 00007ff0 e8c8be20 c0170a8a e8c6f040 e8c6f040
c030b547 e8c8bdb8
 14857 kernel: Call Trace:
 14857 kernel: [<c01058bd>] show_stack_log_lvl+0xcd/0x120
 14857 kernel: [<c0105abb>] show_registers+0x1ab/0x240
 14857 kernel: [<c0105dc1>] die+0x111/0x240
 14857 kernel: [<c01130a7>] do_page_fault+0x5f7/0x931
 14857 kernel: [<c01052ab>] error_code+0x2b/0x30
 14857 kernel: [<c011bd9b>] __mmdrop+0x1b/0x50
 14857 kernel: [<c011be50>] mmput+0x80/0xa0
 14857 kernel: [<c0170a8a>] flush_old_exec+0x1ba/0xb30
 14857 kernel: [<c0191e1f>] load_elf_binary+0x26f/0x1780
 14857 kernel: [<c0171602>] search_binary_handler+0x92/0x240
 14857 kernel: [<c0171923>] do_execve+0x173/0x215
 14857 kernel: [<c0103892>] sys_execve+0x42/0xa0
 14857 kernel: [<c0105119>] syscall_call+0x7/0xb
 14857 kernel: Code: e1 0c 25 ff 0f 00 00 09 c1 89 ce 83 ce 01 81 ee 01 00
00 40 31 db 89 5c 24 04 89 f7 89 34 24 e8 53 eb ff ff 31 c0 b9 00 04 00 00
<f3> ab a1 e4 ec 3a c0 89 74 24 04 89 04 24 e8 39 dc 04 00 8b 45

While serving httpd pages:
May 19 12:19:19 ip-10-234-90-180 kernel: Unable to handle kernel paging
request at virtual address e6579000
May 19 12:19:19 ip-10-234-90-180 kernel: printing eip:
May 19 12:19:19 ip-10-234-90-180 kernel: c01123c4
May 19 12:19:19 ip-10-234-90-180 kernel: 00589000 -> *pde =
00000003:b9f9a027
May 19 12:19:19 ip-10-234-90-180 kernel: 0058a000 -> *pme =
00000003:146e0067
May 19 12:19:19 ip-10-234-90-180 kernel: 005c4000 -> *pte =
80000008:10392063
May 19 12:19:19 ip-10-234-90-180 kernel: Oops: 0003 [#1]
May 19 12:19:19 ip-10-234-90-180 kernel: SMP
May 19 12:19:19 ip-10-234-90-180 kernel: Modules linked in: fuse dm_mirror
dm_multipath dm_mod
May 19 12:19:19 ip-10-234-90-180 kernel: CPU:    0
May 19 12:19:19 ip-10-234-90-180 kernel: EIP:    0061:[<c01123c4>]
 Tainted: GF     VLI
May 19 12:19:19 ip-10-234-90-180 kernel: EFLAGS: 00010246   (2.6.16-xenU
#1)
May 19 12:19:19 ip-10-234-90-180 kernel: EIP is at pgd_free+0x104/0x140
May 19 12:19:19 ip-10-234-90-180 kernel: eax: 00000000   ebx: 00000000
ecx: 00000400   edx: 80000008
May 19 12:19:19 ip-10-234-90-180 kernel: esi: e6579000   edi: e6579000
ebp: c2f95f00   esp: c2f95ee0
May 19 12:19:19 ip-10-234-90-180 kernel: ds: 007b   es: 007b   ss: 0069
May 19 12:19:19 ip-10-234-90-180 kernel: Process httpd (pid: 8267,
threadinfo=c2f94000 task=d78a3a70)
May 19 12:19:19 ip-10-234-90-180 kernel: Stack: <0>e6579000 00000000
00000003 c2039a1c d75c7018 ed181200 ed181248 d78a3a70
May 19 12:19:19 ip-10-234-90-180 kernel: c2f95f14 c011bd9b d75c7000 ed181248
ed181200 c2f95f28 c011be50 ed181200
May 19 12:19:19 ip-10-234-90-180 kernel: ed181200 ed181234 c2f95f44 c011fdd0
ed181200 ed181200 c2f94000 d78a3a70
May 19 12:19:19 ip-10-234-90-180 kernel: Call Trace:
May 19 12:19:19 ip-10-234-90-180 kernel: [<c01058bd>]
show_stack_log_lvl+0xcd/0x120
May 19 12:19:19 ip-10-234-90-180 kernel: [<c0105abb>]
show_registers+0x1ab/0x240
May 19 12:19:19 ip-10-234-90-180 kernel: [<c0105dc1>] die+0x111/0x240
May 19 12:19:19 ip-10-234-90-180 kernel: [<c01130a7>]
do_page_fault+0x5f7/0x931
May 19 12:19:19 ip-10-234-90-180 kernel: [<c01052ab>] error_code+0x2b/0x30
May 19 12:19:19 ip-10-234-90-180 kernel: [<c011bd9b>] __mmdrop+0x1b/0x50
May 19 12:19:19 ip-10-234-90-180 kernel: [<c011be50>] mmput+0x80/0xa0
May 19 12:19:19 ip-10-234-90-180 kernel: [<c011fdd0>] exit_mm+0x80/0x100
May 19 12:19:19 ip-10-234-90-180 kernel: [<c0120bc3>] do_exit+0xf3/0x8f0
May 19 12:19:19 ip-10-234-90-180 kernel: [<c01213fb>]
do_group_exit+0x3b/0xd0
May 19 12:19:19 ip-10-234-90-180 kernel: [<c01214a5>]
sys_exit_group+0x15/0x20
May 19 12:19:19 ip-10-234-90-180 kernel: [<c0105119>] syscall_call+0x7/0xb
May 19 12:19:19 ip-10-234-90-180 kernel: Code: e1 0c 25 ff 0f 00 00 09 c1 89
ce 83 ce 01 81 ee 01 00 00 40 31 db 89 5c 24 04 89 f7 89 34 24 e8 53 eb ff
ff 31 c0 b9 00 04 00 00 <f3> ab a1 e4 ec 3a c0 89 74 24 04 89 04 24 e8 39 dc
04 00 8b 45
May 19 12:19:19 ip-10-234-90-180 kernel: <1>Fixing recursive fault but
reboot is needed!

Thanks,
Matt
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