Hi - we had a remote server go pretty unresponsive on us last night - it's online now
but refusing all connections - I got the following log exerpts emailed to me by
logcheck with is running on the server. I'm waiting for the owner to get into work so
he can give it the three finger salute...
is this a problem that squid has caused / aggravated - or should I be looking
somewhere else?
thanks in advance for any insights as to what may be going on here...
Jul 13 23:15:30 squid[9324]: Squid Parent: child process 9326 exited due to signal 11
Jul 13 23:15:30 kernel: Unable to handle kernel NULL pointer dereference at virtual
address 00000068
Jul 13 23:15:30 kernel: current->tss.cr3 = 02535000, %cr3 = 02535000
Jul 13 23:15:30 kernel: *pde = 00000000
Jul 13 23:15:30 kernel: Oops: 0000
Jul 13 23:15:30 kernel: CPU: 0
Jul 13 23:15:31 kernel: EIP: 0010:[find_inode+26/56]
Jul 13 23:15:31 kernel: EFLAGS: 00010203
Jul 13 23:15:31 kernel: eax: 00000000 ebx: 000375e8 ecx: c023e0f0 edx: 00000000
Jul 13 23:15:31 kernel: esi: c3fc5200 edi: 000375e8 ebp: c3fc5200 esp: c1407ed8
Jul 13 23:15:31 kernel: ds: 0018 es: 0018 ss: 0018
Jul 13 23:15:31 kernel: Process squid (pid: 9326, process nr: 45, stackpage=c1407000)
Jul 13 23:15:31 kernel: Stack: c0132229 c3fc5200 000375e8 c023e0f0 000375e8 c39e40e0
c1df0ee0 c1407f54
Jul 13 23:15:31 kernel: c013f5e0 c3fc5200 000375e8 fffffff4 c39e40e0 c1df0ee0
c0d4a330 c012c3f5
Jul 13 23:15:31 kernel: c1df0ee0 c39e40e0 c1407f54 00000000 c20ca012 00000003
c1df0f2c c012c5d0
Jul 13 23:15:31 kernel: Call Trace: [iget+49/96] [ext2_lookup+84/124]
[real_lookup+85/132] [lookup_dentry+296/488] [open_namei+102/848] [filp_open+68/240]
[sys_open+54/148]
Jul 13 23:15:31 kernel: [system_call+52/56]
Jul 13 23:15:31 kernel: Code: 39 70 68 75 0d 39 58 18 75 08 ff 40 1c eb 0b 8d 76 00 8b
12
Jul 13 23:15:34 squid[9324]: Squid Parent: child process 19685 started
Jul 13 23:59:01 kernel: Unable to handle kernel NULL pointer dereference at virtual
address 00000068
Jul 13 23:59:01 kernel: current->tss.cr3 = 01f70000, %cr3 = 01f70000
Jul 13 23:59:01 kernel: *pde = 00000000
Jul 13 23:59:01 kernel: Oops: 0000
Jul 13 23:59:01 kernel: CPU: 0
Jul 13 23:59:01 kernel: EIP: 0010:[find_inode+26/56]
Jul 13 23:59:01 kernel: EFLAGS: 00010217
Jul 13 23:59:01 kernel: eax: 00000000 ebx: 000147c7 ecx: c023df18 edx: 00000000
Jul 13 23:59:01 kernel: esi: c3fc5a00 edi: 000147c7 ebp: c3fc5a00 esp: c17d9f0c
Jul 13 23:59:01 kernel: ds: 0018 es: 0018 ss: 0018
Jul 13 23:59:01 kernel: Process sh (pid: 19889, process nr: 67, stackpage=c17d9000)
Jul 13 23:59:01 kernel: Stack: c0132229 c3fc5a00 000147c7 c023df18 000147c7 c30727a0
c3402660 c17d9f88
Jul 13 23:59:01 kernel: c013f5e0 c3fc5a00 000147c7 fffffff4 c30727a0 c3402660
c078a57c c012c3f5
Jul 13 23:59:01 kernel: c3402660 c30727a0 c17d9f88 00000000 c2be200d 00000001
c34026ac c012c5d0
Jul 13 23:59:01 kernel: Call Trace: [iget+49/96] [ext2_lookup+84/124]
[real_lookup+85/132] [lookup_dentry+296/488] [__namei+40/88] [sys_newstat+14/96]
[system_call+52/56]
Jul 13 23:59:01 kernel: Code: 39 70 68 75 0d 39 58 18 75 08 ff 40 1c eb 0b 8d 76 00 8b
12
Jul 13 23:59:07 kernel: Unable to handle kernel NULL pointer dereference at virtual
address 00000004
Jul 13 23:59:07 kernel: current->tss.cr3 = 01e04000, %cr3 = 01e04000
Jul 13 23:59:07 kernel: *pde = 00000000
Jul 13 23:59:07 kernel: Oops: 0002
Jul 13 23:59:07 kernel: CPU: 0
Jul 13 23:59:07 kernel: EIP: 0010:[get_empty_inode+24/152]
Jul 13 23:59:07 kernel: EFLAGS: 00010202
Jul 13 23:59:07 kernel: eax: 00000000 ebx: c32fc550 ecx: c32fc558 edx: c020cab0
Jul 13 23:59:07 kernel: esi: c0e3b6e0 edi: c356bea0 ebp: bfffea48 esp: c3041f74
Jul 13 23:59:07 kernel: ds: 0018 es: 0018 ss: 0018
Jul 13 23:59:07 kernel: Process sendmail (pid: 1034, process nr: 36,
stackpage=c3041000)
Jul 13 23:59:07 kernel: Stack: c012bf1a c3040000 c012c016 c3040000 c3041fb8 bfffe150
bfffea48 ffffffe9
Jul 13 23:59:07 kernel: c3040000 00000008 c010dc79 c3041fb8 c3040000 00000005
bfffe150 bfffea48
Jul 13 23:59:07 kernel: 00000000 00002000 00000000 c0109d08 bfffe150 0000000d
40166fe0 00000005
Jul 13 23:59:07 kernel: Call Trace: [get_pipe_inode+6/208] [do_pipe+50/344]
[sys_pipe+21/88] [system_call+52/56]
Jul 13 23:59:07 kernel: Code: 89 50 04 89 02 ff 0d c0 ca 20 c0 8b 15 a8 ca 20 c0 8d 43
08
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