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  
-- 

        Nitro - 3D Visualisation, Graphics & Animation
                Ph (+61 2) 9810 5177 - Fx (+61 2) 9810 0199
                        http://www.nitro.com.au/


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