oops/reboot under 2.2.0 (fixed in 2.2.1?)

Kevin Fenzi (kevin@scrye.com)
Thu, 28 Jan 1999 15:34:52 -0700 (MST)


I suspect this is one of the "paper bag" bugs fixed in 2.2.1, but I
thought I would post the oops anyhow.

I was compiling 2.2.1, and the machine rebooted.
Now up in 2.2.1, so I will let you know if it happens there. ;)

I did get an oops in the syslog, here it is thru ksymoops:

Options used: -v /boot/vmlinuz-2.2.0 (specified)
-o /lib/modules/2.2.1/ (default)
-K (specified)
-L (specified)
-m /boot/System.map-2.2.0 (specified)
-c 1 (default)

No modules in ksyms, skipping objects
Jan 28 15:02:09 jelerak kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
Jan 28 15:02:09 jelerak kernel: current->tss.cr3 = 01a22000, pr3 = 01a22000
Jan 28 15:02:09 jelerak kernel: *pde = 00000000
Jan 28 15:02:09 jelerak kernel: Oops: 0002
Jan 28 15:02:09 jelerak kernel: CPU: 1
Jan 28 15:02:09 jelerak kernel: EIP: 0010:[<c0121de7>]
Jan 28 15:02:09 jelerak kernel: EFLAGS: 00010282
Jan 28 15:02:09 jelerak kernel: eax: 0000003b ebx: c009e6e0 ecx: c024ead2 edx: c76b8000
Jan 28 15:02:09 jelerak kernel: esi: c5fcc6e0 edi: 00000282 ebp: 00000000 esp: c1b45ee8
Jan 28 15:02:09 jelerak kernel: ds: 0018 es: 0018 ss: 0018
Jan 28 15:02:09 jelerak kernel: Process w (pid: 16577, process nr: 167, stackpage=c1b45000)
Jan 28 15:02:09 jelerak kernel: Stack: c2775000 000007ff 00000000 c5fcc75c 00000000 c01138b9 c009e6e0 c5fcc6e0
Jan 28 15:02:09 jelerak kernel: c5fcc6e0 c5fcc6e0 c5fcc6e0 c5fcc6e0 c01457ca c5fcc6e0 c0145943 c5fcc6e0
Jan 28 15:02:09 jelerak kernel: c5fcc6e0 bfffe3f8 bfffe5ae c2775000 000040c3 c2775000 c0223628 c0146a2b
Jan 28 15:02:09 jelerak kernel: Call Trace: [<c01138b9>] [<c01457ca>] [<c0145943>] [<c0146a2b>] [<c0146b3d>] [<c0125fae>] [<c0126722>]
Jan 28 15:02:09 jelerak kernel: [<c0108c00>] [<c010002b>]
Jan 28 15:02:09 jelerak kernel: Code: c7 05 00 00 00 00 00 00 00 00 5b 5e 5f 5d 83 c4 0c c3 8d 76

>>EIP: c0121de7 <kmem_cache_free+177/19c>
Trace: c01138b9 <mmput+31/38>
Trace: c01457ca <get_phys_addr+92/b0>
Trace: c0145943 <get_wchan+1f/6c>
Trace: c0146a2b <get_process_array+83/a0>
Trace: c0146b3d <array_read+f5/21c>
Trace: c0125fae <filp_open+42/f8>
Trace: c0126722 <sys_read+ce/104>
Trace: c0108c00 <system_call+34/38>
Code: c0121de7 <kmem_cache_free+177/19c> 00000000 <_EIP>:
Code: c0121de7 <kmem_cache_free+177/19c> 0: c7 05 00 00 00 movl $0x0,0x0
Code: c0121dec <kmem_cache_free+17c/19c> 5: 00 00 00 00 00
Code: c0121df1 <kmem_cache_free+181/19c> a: 5b popl %ebx
Code: c0121df2 <kmem_cache_free+182/19c> b: 5e popl %esi
Code: c0121df3 <kmem_cache_free+183/19c> c: 5f popl %edi
Code: c0121df4 <kmem_cache_free+184/19c> d: 5d popl %ebp
Code: c0121df5 <kmem_cache_free+185/19c> e: 83 c4 0c addl $0xc,%esp
Code: c0121df8 <kmem_cache_free+188/19c> 11: c3 ret
Code: c0121df9 <kmem_cache_free+189/19c> 12: 8d 76 00 leal 0x0(%esi),%esi

1 warning and 1 error issued. Results may not be reliable.

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