Re: [-pre6-3] Oops on shutdown

From: Pierfrancesco Caci (ik5pvx@penny.ik5pvx.ampr.org)
Date: Tue Apr 18 2000 - 12:19:25 EST


:-> "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.

got the same with the package in potato

> IIRC, this was happening only if the ppp modules were
> loaded. I could not be recalling correctly, espechily
> because they almost always are.

didn't notice this on my machine. Are you saying that you get the
crash if the module is loaded at that moment or if you loaded and
unloaded the module earlier. I always use ppp, as a module.

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

PII/450, Epox EP-BX3 motherboard.

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

no vfat partitions here

Here is the decoded oops I get (in addition to the other one I posted
earlier this morning)

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 (specified)

Apr 18 10:33:05 penny kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000038
Apr 18 10:33:05 penny kernel: c0120531
Apr 18 10:33:05 penny kernel: *pde = 00000000
Apr 18 10:33:05 penny kernel: Oops: 0000
Apr 18 10:33:05 penny kernel: CPU: 0
Apr 18 10:33:05 penny kernel: EIP: 0010:[access_process_vm+117/360]
Apr 18 10:33:05 penny kernel: EFLAGS: 00010202
Apr 18 10:33:05 penny kernel: eax: 00000038 ebx: 0000001c ecx: bffff000 edx: c006e000
Apr 18 10:33:05 penny kernel: esi: 00000000 edi: bffffe5d ebp: 00000022 esp: c0069f40
Apr 18 10:33:05 penny kernel: ds: 0018 es: 0018 ss: 0018
Apr 18 10:33:05 penny kernel: Process cat (pid: 26312, stackpage=c0069000)
Apr 18 10:33:05 penny kernel: Stack: c006e000 c006e000 c006e3dc c0e8d000 00000000 c0153157 c006e000 bffffe5d
Apr 18 10:33:05 penny kernel: c0e8d000 00000022 00000000 c006e3f8 c015359e c006e000 c0e8d000 c083dda0
Apr 18 10:33:05 penny kernel: ffffffea 00000000 c083dda0 c006e3dc 0804c000 c4522e60 00000c00 c012fe0c
Apr 18 10:33:05 penny kernel: Call Trace: [proc_pid_cmdline+55/60] [proc_info_read+374/764] [sys_read+192/224] [system_call+52/56]
Apr 18 10:33:05 penny kernel: Code: 39 43 1c 74 2a 50 8b 43 1c 50 68 c0 4c 22 c0 e8 97 83 ff ff
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
0000000000000000 <_EIP>:
Code; 00000000 Before first symbol
   0: 39 43 1c cmp %eax,0x1c(%ebx)
Code; 00000003 Before first symbol
   3: 74 2a je 2f <_EIP+0x2f> 0000002f Before first symbol
Code; 00000005 Before first symbol
   5: 50 push %eax
Code; 00000006 Before first symbol
   6: 8b 43 1c mov 0x1c(%ebx),%eax
Code; 00000009 Before first symbol
   9: 50 push %eax
Code; 0000000a Before first symbol
   a: 68 c0 4c 22 c0 push $0xc0224cc0
Code; 0000000f Before first symbol
   f: e8 97 83 ff ff call ffff83ab <_EIP+0xffff83ab> ffff83ab <END_OF_CODE+356e6c2c/????>

Pf

-- 

------------------------------------------------------------------------------- Pierfrancesco Caci | mailto:p.caci@flashnet.it - http://gusp.infogroup.it ik5pvx - Firenze | Office for the Complication of Otherwise Simple Affairs Linux penny 2.3.99-pre6 #1 Sun Apr 16 21:15:14 CEST 2000 i686 unknown

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