Messages in this thread | | | Date | 5 Apr 2002 07:42:51 -0000 | From | "Umaid Singh Rajpurohit" <> | Subject | Unable to handle kernel NULL pointer dereference |
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Hello all,
we are running clearcase,sun grid engine on RedHat Linux 7.1 (kernel 2.4.2) on IBM Xseries one U servers that has two CPU's and we mount all the files to be processed using autofs. Here is uname -a Linux 2.4.2-2smp #1 SMP Sun Apr 8 20:21:34 EDT 2001 i686 unknown
I have more then sufficient physical memory and swap space Here is some swap space detail form top
Mem: 1543868K av, 507684K used, 1036184K free, 0K shrd, 317576K buff Swap: 5116576K av,0K used, 5116576K free 33076K cached
we are running n number of IBM X Series server every now and then one or two servers crashes and don't allow me to do anything except hard reset.
The /var/log/messages says something like:
Jan 6 17:59:45 kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000014 Jan 6 17:59:45 kernel: printing eip: Jan 6 17:59:45 kernel: f8b510b2 Jan 6 17:59:45 kernel: pgd entry eb571000: 0000000000000000 Jan 6 17:59:45 kernel: pmd entry eb571000: 0000000000000000 Jan 6 17:59:45 kernel: ... pmd not present! Jan 6 17:59:45 kernel: Oops: 0000 Jan 6 17:59:45 kernel: CPU: 1 Jan 6 17:59:45 kernel: EIP: 0010:[<f8b510b2>] Jan 6 17:59:45 kernel: EFLAGS: 00010246 Jan 6 17:59:45 kernel: eax: d951f220 ebx: 00000040 ecx: c027e140 edx: 00000000 Jan 6 17:59:45 kernel: esi: 00000000 edi: ea10fe60 ebp: ea10fe20 esp: ea10fde8 Jan 6 17:59:45 kernel: ds: 0018 es: 0018 ss: 0018 Jan 6 17:59:45 kernel: Process tcsh (pid: 31185, stackpage=ea10f000) Jan 6 17:59:45 kernel: Stack: 00000040 f68c86c4 ea10fea0 d32e2ca0 00000040 f68c86c4 ea10fea0 00000000 Jan 6 17:59:45 kernel: 00000000 00000000 f68c86c4 d951f220 00029508 00000002 ea10fe70 f8b4c6cf Jan 6 17:59:45 kernel: 00000001 ea10fe60 d32e2ca0 f8b4c423 00000040 f68c86c4 d32e2ca0 000079d1 Jan 6 17:59:45 kernel: Call Trace: [<f8b4c6cf>] [<f8b4c423>] [<f8b56034>] [<f8b8a764>] [<f8b4d497>] [<f8b754cc>] [<f8b7042a>] Jan 6 17:59:45 kernel: [<f8b70420>] [<f8b6fbef>] [dput+59/416] [permission+69/144] [<f8b6ee70>] [path_walk+2392/2432] [__user_walk+58/96] [sys_stat64+19/112] Jan 6 17:59:45 kernel: [<f8b70420>] [<f8b6fbef>] [<c014e8cb>] [<c01458a5>] [<f8b6ee70>] [<c01465f8>] [<c0146b0a>] [<c0143143>] Jan 6 17:59:45 kernel: [error_code+52/60] [system_call+51/56] Jan 6 17:59:45 kernel: [<c0109300>] [<c01091cb>] Jan 6 17:59:45 kernel: Jan 6 17:59:45 kernel: Code: 83 7e 14 06 0f 85 f7 00 00 00 83 c4 f8 6a 00 56 e8 3d a8 ff Jan 6 17:59:45 kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000014 Jan 6 17:59:45 kernel: printing eip: Jan 6 17:59:45 kernel: f8b510b2 Jan 6 17:59:45 kernel: pgd entry d4f8d000: 0000000000000000 Jan 6 17:59:45 kernel: pmd entry d4f8d000: 0000000000000000 Jan 6 17:59:45 kernel: ... pmd not present! Jan 6 17:59:45 kernel: Oops: 0000 Jan 6 17:59:45 kernel: CPU: 0 Jan 6 17:59:45 kernel: EIP: 0010:[<f8b510b2>] Jan 6 17:59:45 kernel: EFLAGS: 00010246 Jan 6 17:59:45 kernel: eax: d951f220 ebx: 00000040 ecx: c027e140 edx: 00000000 Jan 6 17:59:45 kernel: esi: 00000000 edi: e6041e60 ebp: e6041e20 esp: e6041de8 Jan 6 17:59:45 kernel: ds: 0018 es: 0018 ss: 0018 Jan 6 17:59:45 kernel: Process tcsh (pid: 31184, stackpage=e6041000) Jan 6 17:59:45 kernel: Stack: 00000040 f68c8ec8 e6041ea0 eca3ace0 00000040 f68c8ec8 e6041ea0 00000000 Jan 6 17:59:45 kernel: 00000000 00000000 f68c8ec8 d951f220 00029508 00000002 e6041e70 f8b4c6cf Jan 6 17:59:45 kernel: 00000001 e6041e60 eca3ace0 f8b4c423 00000040 f68c8ec8 eca3ace0 000079d0 Jan 6 17:59:45 kernel: Call Trace: [<f8b4c6cf>] [<f8b4c423>] [<f8b56034>] [<f8b8a764>] [<f8b4d497>] [<f8b754cc>] [<f8b7042a>] Jan 6 17:59:45 kernel: [<f8b70420>] [<f8b6fbef>] [dput+59/416] [permission+69/144] [<f8b6ee70>] [path_walk+2392/2432] [__user_walk+58/96] [sys_stat64+19/112] Jan 6 17:59:45 kernel: [<f8b70420>] [<f8b6fbef>] [<c014e8cb>] [<c01458a5>] [<f8b6ee70>] [<c01465f8>] [<c0146b0a>] [<c0143143>]
I am unable to find any information on it.Can any one help me out.If you need any other information please mail me.
Warm Regard umaid linux support (TI india) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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