got oopsed

Sitaram Iyer (ssiyer@cs.rice.edu)
Mon, 24 May 1999 10:05:54 -0500

I was running netscape and nothing much else. I'm running nearly the stock
2.2.7 kernel with only a couple of patches to do trivial, irrelevant things.
got an oops on X and wmaker. the trace looked like it happened in some
rather core parts of the kernel, hence this bugreport..

$ cat /proc/version
Linux version 2.2.7 (root@lothlórien) (gcc version egcs-2.91.60 19981201
(egcs-1.1.1 release)) #15 Tue May 11 19:30:07 CDT 1999

here's the trace:

> Options used: -V (default)
> -o /lib/modules/2.2.7/ (default)
> -k /proc/ksyms (default)
> -l /proc/modules (default)
> -m /usr/src/linux/System.map (default)
> -c 1 (default)
>
> Unable to handle kernel paging request at virtual address 03edc218
> current->tss.cr3 = 05d1d000, `r3 = 05d1d000
> *pde = 00000000
> Oops: 0000
> CPU: 0
> EIP: 0010:[<c012bcaa>]
> EFLAGS: 00010087
> eax: 00000006 ebx: c4e15070 ecx: 03edc214 edx: 03edc214
> esi: c4e1506c edi: c4e15000 ebp: 00000287 esp: c0581f30
> ds: 0018 es: 0018 ss: 0018
> Process X (pid: 5005, process nr: 82, stackpage=c0581000)
> Stack: c4e15000 00000001 c012c035 c4e15000 c29b2930 00000080 c29b2940 0000009f
> 00000304 0000000d c0580000 00002d7b 00000000 c4e15000 c012c426 0000000d
> c0581fa8 c0581fa4 c0580000 00000000 bffff748 bffff8d0 c29b2910 00000010
> Call Trace: [<c012c035>] [<c012c426>] [<c0108790>]
> Code: 8b 41 04 39 d8 74 0c 8d 76 00 89 c2 8b 42 04 39 d8 75 f7 89
>
> >>EIP: c012bcaa <free_wait+2e/6c>
> Trace: c012c035 <do_select+1fd/214>
> Trace: c012c426 <sys_select+3da/540>
> Trace: c0108790 <system_call+34/38>
> Code: c012bcaa <free_wait+2e/6c> 00000000 <_EIP>: <===
> Code: c012bcaa <free_wait+2e/6c> 0: 8b 41 04 movl 0x4(%ecx),%eax <===
> Code: c012bcad <free_wait+31/6c> 3: 39 d8 cmpl %ebx,%eax
> Code: c012bcaf <free_wait+33/6c> 5: 74 0c je c012bcbd <free_wait+41/6c>
> Code: c012bcb1 <free_wait+35/6c> 7: 8d 76 00 leal 0x0(%esi),%esi
> Code: c012bcb4 <free_wait+38/6c> a: 89 c2 movl %eax,%edx
> Code: c012bcb6 <free_wait+3a/6c> c: 8b 42 04 movl 0x4(%edx),%eax
> Code: c012bcb9 <free_wait+3d/6c> f: 39 d8 cmpl %ebx,%eax
> Code: c012bcbb <free_wait+3f/6c> 11: 75 f7 jne c012bcb4 <free_wait+38/6c>
> Code: c012bcbd <free_wait+41/6c> 13: 89 00 movl %eax,(%eax)
>
> Unable to handle kernel paging request at virtual address 03edc214
> current->tss.cr3 = 035aa000, `r3 = 035aa000
> *pde = 00000000
> Oops: 0000
> CPU: 0
> EIP: 0010:[<c010fb00>]
> EFLAGS: 00010207
> eax: 00000004 ebx: 03edc214 ecx: c6e85440 edx: c0580000
> esi: c3827e74 edi: 00000001 ebp: c162ded8 esp: c162ded4
> ds: 0018 es: 0018 ss: 0018
> Process wmaker (pid: 5007, process nr: 84, stackpage=c162d000)
> Stack: 00000004 c162df0c c015da5d c6b8e680 c017ee7d c6e85c80 00000004 00000004
> c162df74 c017ec48 00000246 00000000 c6e85440 c010869e c596c09c c015ba30
> c596c09c c162df74 00000004 c162df40 00000004 c162df6c c596c04c 00000004
> Call Trace: [<c015da5d>] [<c017ee7d>] [<c017ec48>] [<c010869e>] [<c015ba30>] [<c017ec48>] [<c015bc37>]
> [<c0123374>] [<c015bbac>] [<c0108790>]
> Code: 8b 13 8b 5b 04 8b 02 85 c7 74 f1 89 d0 e8 3a f9 ff ff eb e8
>
> >>EIP: c010fb00 <__wake_up+1c/3c>
> Trace: c015da5d <sock_def_readable+19/2c>
> Trace: c017ee7d <unix_stream_sendmsg+235/258>
> Trace: c017ec48 <unix_stream_sendmsg+0/258>
> Trace: c010869e <do_signal+206/274>
> Trace: c015ba30 <sock_sendmsg+88/ac>
> Trace: c017ec48 <unix_stream_sendmsg+0/258>
> Trace: c015bc37 <sock_write+8b/98>
> Trace: c0123374 <sys_write+dc/100>
> Code: c010fb00 <__wake_up+1c/3c> 00000000 <_EIP>: <===
> Code: c010fb00 <__wake_up+1c/3c> 0: 8b 13 movl (%ebx),%edx <===
> Code: c010fb02 <__wake_up+1e/3c> 2: 8b 5b 04 movl 0x4(%ebx),%ebx
> Code: c010fb05 <__wake_up+21/3c> 5: 8b 02 movl (%edx),%eax
> Code: c010fb07 <__wake_up+23/3c> 7: 85 c7 testl %eax,%edi
> Code: c010fb09 <__wake_up+25/3c> 9: 74 f1 je c010fafc <__wake_up+18/3c>
> Code: c010fb0b <__wake_up+27/3c> b: 89 d0 movl %edx,%eax
> Code: c010fb0d <__wake_up+29/3c> d: e8 3a f9 ff ff call c010f44c <wake_up_process+0/64>
> Code: c010fb12 <__wake_up+2e/3c> 12: eb e8 jmp c010fafc <__wake_up+18/3c>

cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 5
model : 8
model name : AMD-K6(tm) 3D processor
stepping : 0
cpu MHz : 300.684908
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr mce cx8 sep mmx 3dnow
bogomips : 599.65

-- 
Sitaram Iyer <ssiyer@cs.rice.edu> http://www.cs.rice.edu/~ssiyer/
Phone: Office: (713) 527-8750 x3291 (direct dial), Res: (713) 630-9260


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