Re: [-pre6-3] Oops on shutdown

From: Juan J. Quintela (quintela@fi.udc.es)
Date: Tue Apr 18 2000 - 18:12:31 EST


>>>>> "pier" == Pierfrancesco Caci <ik5pvx@penny.ik5pvx.ampr.org> writes:

pier> :-> "James" == James Mastros <theorbtwo@yahoo.com> writes:
>> I'm getting this oops on shutdown, while attempting to
>> stop xfs-xtt (a X font server for TrueType fonts).
>> xfs-xtt is from the latest debian package in slink.

pier> got the same with the package in potato

Add debian woody to the mix (in xfs, no xfs-tt)

>> This is an athalon 750 on a gigabyte GA-7IXE board.

pier> PII/450, Epox EP-BX3 motherboard.

Athlon 500

>> I'm using PPP and vfat. (Come to think of it, xfs-xtt
>> may have had files open on the vfat partition.

pier> no vfat partitions here

No ppp and not vfat here

Now the Oops:

ksymoops 2.3.4 on i686 2.3.99-pre6. Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.3.99-pre6/ (default)
     -m /boot/System.map-2.3.99-pre6 (default)

Unable to handle kernel NULL pointer dereference at virtual address 00000038
c011d72b
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c011d72b>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010202
eax: 00000038 ebx: 0000001c ecx: bffff000 edx: c7dd2000
esi: 00000000 edi: bffffe94 ebp: 00000011 esp: c0b97f40
ds: 0018 es: 0018 ss: 0018
Process cat (pid: 464, stackpage=c0b97000)
Stack: c7dd2000 c7dd2000 c7dd23dc c04a4000 00000000 c014a977 c7dd2000 bffffe94
       c04a4000 00000011 00000000 c7dd23f8 c014adce c7dd2000 c04a4000 c7eba840
       ffffffea 00000000 c7eba840 c7dd23dc 0804c000 c7bb2200 00000c00 c012d4f0
Call Trace: [<c014a977>] [<c014adce>] [<c012d4f0>] [<c010af4c>]
Code: 39 43 1c 74 30 50 8b 43 1c 50 68 00 83 1d c0 e8 d1 84 ff ff

>>EIP; c011d72b <access_process_vm+7b/180> <=====
Trace; c014a977 <proc_pid_cmdline+37/40>
Trace; c014adce <proc_info_read+17e/310>
Trace; c012d4f0 <sys_read+c0/e0>
Trace; c010af4c <system_call+34/38>
Code; c011d72b <access_process_vm+7b/180>
00000000 <_EIP>:
Code; c011d72b <access_process_vm+7b/180> <=====
   0: 39 43 1c cmp %eax,0x1c(%ebx) <=====
Code; c011d72e <access_process_vm+7e/180>
   3: 74 30 je 35 <_EIP+0x35> c011d760 <access_process_vm+b0/180>
Code; c011d730 <access_process_vm+80/180>
   5: 50 push %eax
Code; c011d731 <access_process_vm+81/180>
   6: 8b 43 1c mov 0x1c(%ebx),%eax
Code; c011d734 <access_process_vm+84/180>
   9: 50 push %eax
Code; c011d735 <access_process_vm+85/180>
   a: 68 00 83 1d c0 push $0xc01d8300
Code; c011d73a <access_process_vm+8a/180>
   f: e8 d1 84 ff ff call ffff84e5 <_EIP+0xffff84e5> c0115c10 <printk+0/160>

-- 
In theory, practice and theory are the same, but in practice they 
are different -- Larry McVoy

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