Messages in this thread | | | Date | Wed, 6 Aug 2003 18:20:54 +0200 | From | Herbert Pötzl <> | Subject | Re: Server Crash |
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On Wed, Aug 06, 2003 at 01:46:14PM +0930, joshua.gooding@csm.com.au wrote:
Hi Joshua!
> Hi All, > > Is anyone able to tell me what the below error means. This has been > happening on a few of our servers every once and a while. Where are running > Redhat 7.2 with 2.4.9-31smp kernel. After this error occurs the server is > unusable and requires a restart. Posted this problem here a while ago and > tried upgrading the kernal and quota packages but the issue still seems to > occur > > Aug 6 08:15:00 server kernel: VFS: dqput: trying to free free dquot > Aug 6 08:15:00 server kernel: VFS: device 08:05, dquot of group 11001530 > Aug 6 08:15:00 server kernel: remove_free_dquot: dquot not on the free > list??
this BUG() means that a dquot structure was removed which, at this moment was not on the free list of quotas (where it should have been for removal) ...
further this resulted in a bad access ...
this is a problem, which is probably fixed in later versions of the quota code, but YMMV ...
HTH, Herbert
> Aug 6 08:15:00 server kernel: Unable to handle kernel NULL pointer > dereference at virtual address 00000004 > Aug 6 08:15:00 server kernel: printing eip: > Aug 6 08:15:00 server kernel: c01583a3 > Aug 6 08:15:00 server kernel: *pde = 00000000 > Aug 6 08:15:00 server kernel: Oops: 0002 > Aug 6 08:15:00 server kernel: Kernel 2.4.9-31smp > Aug 6 08:15:00 server kernel: CPU: 0 > Aug 6 08:15:01 server kernel: EIP: 0010:[prune_dqcache+115/192] Not > tainted > Aug 6 08:15:01 server kernel: EIP: 0010:[<c01583a3>] Not tainted > Aug 6 08:15:01 server kernel: EFLAGS: 00010246 > Aug 6 08:15:01 server xinetd: xinetd startup succeeded > Aug 6 08:15:01 server kernel: EIP is at prune_dqcache [kernel] 0x73 > Aug 6 08:15:01 server kernel: eax: 00000000 ebx: cc6d1960 ecx: > cc6d1968 edx: 00000000 > Aug 6 08:15:01 server kernel: esi: 00000000 edi: 00000000 ebp: > 000000d2 esp: d373bd90 > Aug 6 08:15:01 server kernel: ds: 0018 es: 0018 ss: 0018 > Aug 6 08:15:01 server kernel: Process php (pid: 28721, stackpage=d373b000) > Aug 6 08:15:01 server kernel: Stack: db5f9000 c1c85470 d373a000 000000d2 > 00000a21 000000d2 c0158405 00000002 > Aug 6 08:15:01 server kernel: c013605b 00000006 000000d2 c1c85470 > 000000d2 c1c8537c 000000d2 000000d2 > Aug 6 08:15:01 server kernel: 00000000 d373a000 00000001 c01361c8 > 000000d2 00000001 d373a000 c0136eb1 > Aug 6 08:15:01 server kernel: Call Trace: [shrink_dqcache_memory+21/48] > shrink_dqcache_memory [kernel] 0x15 > Aug 6 08:15:01 server kernel: Call Trace: [<c0158405>] > shrink_dqcache_memory [kernel] 0x15 > Aug 6 08:15:01 server kernel: [do_try_to_free_pages+43/80] > do_try_to_free_pages [kernel] 0x2b > Aug 6 08:15:02 server kernel: [<c013605b>] do_try_to_free_pages [kernel] > 0x2b > Aug 6 08:15:02 server kernel: [try_to_free_pages+40/64] try_to_free_pages > [kernel] 0x28 > Aug 6 08:15:02 server kernel: [<c01361c8>] try_to_free_pages [kernel] 0x28 > Aug 6 08:15:02 server kernel: [_wrapped_alloc_pages+449/624] > _wrapped_alloc_pages [kernel] 0x1c1 > Aug 6 08:15:02 server kernel: [<c0136eb1>] _wrapped_alloc_pages [kernel] > 0x1c1 > Aug 6 08:15:02 server kernel: [__alloc_pages+15/160] __alloc_pages > [kernel] 0xf > Aug 6 08:15:02 server kernel: [<c0136f6f>] __alloc_pages [kernel] 0xf > Aug 6 08:15:02 server kernel: [shmem_getpage_locked+711/1008] > shmem_getpage_locked [kernel] 0x2c7 > Aug 6 08:15:02 server kernel: [<c013a067>] shmem_getpage_locked [kernel] > 0x2c7 > Aug 6 08:15:02 server kernel: [shmem_getpage+90/256] shmem_getpage > [kernel] 0x5a > Aug 6 08:15:02 server kernel: [<c013a1ea>] shmem_getpage [kernel] 0x5a > Aug 6 08:15:02 server kernel: [shmem_nopage+46/352] shmem_nopage [kernel] > 0x2e > Aug 6 08:15:02 server kernel: [<c013a2be>] shmem_nopage [kernel] 0x2e > Aug 6 08:15:02 server kernel: [do_no_page+125/288] do_no_page [kernel] > 0x7d > Aug 6 08:15:02 server kernel: [<c012b28d>] do_no_page [kernel] 0x7d > Aug 6 08:15:02 server kernel: [handle_mm_fault+107/224] handle_mm_fault > [kernel] 0x6b > Aug 6 08:15:02 server kernel: [<c012b39b>] handle_mm_fault [kernel] 0x6b > Aug 6 08:15:02 server kernel: > [eepro100:__insmod_eepro100_O/lib/modules/2.4.9-31smp/kernel/drivers/+-1089158/96] > scsi_io_completion > _Rsmp_708d15eb [scsi_mod] 0x28a > Aug 6 08:15:02 server kernel: [<e080817a>] > scsi_io_completion_Rsmp_708d15eb [scsi_mod] 0x28a > Aug 6 08:15:03 server kernel: [call_do_IRQ+5/13] call_do_IRQ [kernel] 0x5 > Aug 6 08:15:03 server kernel: [<c022ea10>] call_do_IRQ [kernel] 0x5 > Aug 6 08:15:03 server kernel: [do_page_fault+0/1216] do_page_fault > [kernel] 0x0 > Aug 6 08:15:03 server kernel: [<c01176e0>] do_page_fault [kernel] 0x0 > Aug 6 08:15:03 server kernel: [do_page_fault+422/1216] do_page_fault > [kernel] 0x1a6 > Aug 6 08:15:03 server kernel: [<c0117886>] do_page_fault [kernel] 0x1a6 > Aug 6 08:15:03 server kernel: > [eepro100:__insmod_eepro100_O/lib/modules/2.4.9-31smp/kernel/drivers/+-1117799/96] > scsi_do_cmd_Rsmp_8 > 0fdff72 [scsi_mod] 0x649 > Aug 6 08:15:03 server kernel: [<e0801199>] scsi_do_cmd_Rsmp_80fdff72 > [scsi_mod] 0x649 > Aug 6 08:15:03 server kernel: > [eepro100:__insmod_eepro100_O/lib/modules/2.4.9-31smp/kernel/drivers/+-1118512/96] > scsi_do_cmd_Rsmp_8 > 0fdff72 [scsi_mod] 0x380 > Aug 6 08:15:03 server kernel: [<e0800ed0>] scsi_do_cmd_Rsmp_80fdff72 > [scsi_mod] 0x380 > Aug 6 08:15:03 server kernel: [schedule+1020/1600] schedule [kernel] 0x3fc > Aug 6 08:15:03 server kernel: [<c011877c>] schedule [kernel] 0x3fc > Aug 6 08:15:03 server kernel: [do_page_fault+0/1216] do_page_fault > [kernel] 0x0 > Aug 6 08:15:03 server kernel: [<c01176e0>] do_page_fault [kernel] 0x0 > Aug 6 08:15:03 server kernel: [error_code+56/64] error_code [kernel] 0x38 > Aug 6 08:15:03 server kernel: [<c0107298>] error_code [kernel] 0x38 > Aug 6 08:15:03 server kernel: > Aug 6 08:15:03 server kernel: > Aug 6 08:15:03 server kernel: Code: 89 50 04 89 02 c7 41 04 00 00 00 00 c7 > 43 08 00 00 00 00 8b > Aug 6 08:15:03 server kernel: remove_free_dquot: dquot not on the free > list?? > Aug 6 08:15:03 server kernel: Unable to handle kernel NULL pointer > dereference at virtual address 00000004 > Aug 6 08:15:03 server kernel: printing eip: > Aug 6 08:15:03 server kernel: c01583a3 > Aug 6 08:15:03 server kernel: *pde = 00000000 > Aug 6 08:15:03 server kernel: Oops: 0002 > Aug 6 08:15:03 server kernel: Kernel 2.4.9-31smp > Aug 6 08:15:03 server kernel: CPU: 0 > Aug 6 08:15:03 server kernel: EIP: 0010:[prune_dqcache+115/192] Not > tainted > Aug 6 08:15:03 server kernel: EIP: 0010:[<c01583a3>] Not tainted > Aug 6 08:15:03 server kernel: EFLAGS: 00010202 > Aug 6 08:15:03 server kernel: EIP is at prune_dqcache [kernel] 0x73 > Aug 6 08:15:03 server kernel: eax: 00000000 ebx: cc6d1960 ecx: > cc6d1968 edx: 00000000 > Aug 6 08:15:03 server kernel: esi: 00000001 edi: 00000000 ebp: > 000000d2 esp: d8b83cc8 > Aug 6 08:15:03 server kernel: ds: 0018 es: 0018 ss: 0018 > Aug 6 08:15:03 server kernel: Process xinetd (pid: 28761, > stackpage=d8b83000) > Aug 6 08:15:03 server kernel: Stack: 00000001 00000000 00000a30 c1c85470 > 00000a30 000000d2 c0158405 00000002 > Aug 6 08:15:04 server kernel: c013605b 00000006 000000d2 c1c85470 > 000000d2 c1c8537c 000000d2 000000d2 > Aug 6 08:15:04 server kernel: 00000000 d8b82000 00000001 c01361c8 > 000000d2 00000001 d8b82000 c0136eb1 > Aug 6 08:15:04 server kernel: Call Trace: [shrink_dqcache_memory+21/48] > shrink_dqcache_memory [kernel] 0x15 > Aug 6 08:15:04 server kernel: Call Trace: [<c0158405>] > shrink_dqcache_memory [kernel] 0x15 > Aug 6 08:15:04 server kernel: [do_try_to_free_pages+43/80] > do_try_to_free_pages [kernel] 0x2b > Aug 6 08:15:04 server kernel: [<c013605b>] do_try_to_free_pages [kernel] > 0x2b > Aug 6 08:15:04 server kernel: [try_to_free_pages+40/64] try_to_free_pages > [kernel] 0x28 > Aug 6 08:15:04 server kernel: [<c01361c8>] try_to_free_pages [kernel] 0x28 > Aug 6 08:15:04 server kernel: [_wrapped_alloc_pages+449/624] > _wrapped_alloc_pages [kernel] 0x1c1 > Aug 6 08:15:04 server kernel: [<c0136eb1>] _wrapped_alloc_pages [kernel] > 0x1c1 > Aug 6 08:15:04 server kernel: [__alloc_pages+15/160] __alloc_pages > [kernel] 0xf > Aug 6 08:15:04 server kernel: [<c0136f6f>] __alloc_pages [kernel] 0xf > Aug 6 08:15:04 server kernel: [do_anonymous_page+62/272] do_anonymous_page > [kernel] 0x3e > Aug 6 08:15:04 server kernel: [<c012b13e>] do_anonymous_page [kernel] 0x3e > Aug 6 08:15:04 server kernel: [do_no_page+50/288] do_no_page [kernel] 0x32 > Aug 6 08:15:04 server kernel: [<c012b242>] do_no_page [kernel] 0x32 > Aug 6 08:15:04 server kernel: [handle_mm_fault+107/224] handle_mm_fault > [kernel] 0x6b > Aug 6 08:15:04 server kernel: [<c012b39b>] handle_mm_fault [kernel] 0x6b > Aug 6 08:15:04 server kernel: [dput+28/400] dput [kernel] 0x1c > Aug 6 08:15:04 server kernel: [<c015118c>] dput [kernel] 0x1c > Aug 6 08:15:04 server kernel: [do_page_fault+0/1216] do_page_fault > [kernel] 0x0 > Aug 6 08:15:04 server kernel: [<c01176e0>] do_page_fault [kernel] 0x0 > Aug 6 08:15:04 server kernel: [do_page_fault+422/1216] do_page_fault > [kernel] 0x1a6 > Aug 6 08:15:04 server kernel: [<c0117886>] do_page_fault [kernel] 0x1a6 > Aug 6 08:15:04 server kernel: [filemap_nopage+186/1280] filemap_nopage > [kernel] 0xba > Aug 6 08:15:04 server kernel: [<c012f06a>] filemap_nopage [kernel] 0xba > Aug 6 08:15:04 server kernel: [do_no_page+125/288] do_no_page [kernel] > 0x7d > Aug 6 08:15:04 server kernel: [<c012b28d>] do_no_page [kernel] 0x7d > Aug 6 08:15:04 server kernel: [do_page_fault+0/1216] do_page_fault > [kernel] 0x0 > Aug 6 08:15:04 server kernel: [<c01176e0>] do_page_fault [kernel] 0x0 > Aug 6 08:15:04 server kernel: [error_code+56/64] error_code [kernel] 0x38 > Aug 6 08:15:04 server kernel: [<c0107298>] error_code [kernel] 0x38 > Aug 6 08:15:05 server kernel: [ksoftirqd+232/272] ksoftirqd [kernel] 0xe8 > Aug 6 08:15:05 server kernel: [<c0120018>] ksoftirqd [kernel] 0xe8 > Aug 6 08:15:05 server kernel: [file_read_actor+128/256] file_read_actor > [kernel] 0x80 > Aug 6 08:15:05 server kernel: [<c012ea60>] file_read_actor [kernel] 0x80 > Aug 6 08:15:05 server kernel: [do_generic_file_read+643/1504] > do_generic_file_read [kernel] 0x283 > Aug 6 08:15:05 server kernel: [<c012e683>] do_generic_file_read [kernel] > 0x283 > Aug 6 08:15:05 server kernel: [generic_file_read+100/128] > generic_file_read [kernel] 0x64 > Aug 6 08:15:05 server kernel: [<c012eb44>] generic_file_read [kernel] 0x64 > Aug 6 08:15:05 server kernel: [file_read_actor+0/256] file_read_actor > [kernel] 0x0 > Aug 6 08:15:05 server kernel: [<c012e9e0>] file_read_actor [kernel] 0x0 > Aug 6 08:15:05 server kernel: [sys_read+150/288] sys_read [kernel] 0x96 > Aug 6 08:15:05 server kernel: [<c013dc66>] sys_read [kernel] 0x96 > Aug 6 08:15:05 server kernel: [system_call+51/56] system_call [kernel] > 0x33 > Aug 6 08:15:05 server kernel: [<c010719b>] system_call [kernel] 0x33 > Aug 6 08:15:05 server kernel: > Aug 6 08:15:05 server kernel: > Aug 6 08:15:05 server kernel: Code: 89 50 04 89 02 c7 41 04 00 00 00 00 c7 > 43 08 00 00 00 00 8b > Aug 6 08:15:07 server dhcpd: DHCPREQUEST for 10.151.6.123 from > 00:80:ad:71:d8:ff (LIBRARYOFFICE) via eth1 > Aug 6 08:15:07 server dhcpd: DHCPACK on 10.151.6.123 to 00:80:ad:71:d8:ff > (LIBRARYOFFICE) via eth1 > > *** logging stops here. 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