2.3.21 & swapoff == kernel oops

Dieter =?iso-8859-1?Q?N=FCtzel?= (dieter.nuetzel@okay.net)
Thu, 14 Oct 1999 05:28:08 +0100

ksymoops 0.7c on i686 2.3.21. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.3.21/ (default)
-m /boot/System.map (specified)

Oct 13 19:37:26 SunWave1 kernel: e820: 654336 @ 00000000 (usable)
Oct 13 19:37:26 SunWave1 kernel: e820: 1024 @ 0009fc00 (reserved)
Oct 13 19:37:26 SunWave1 kernel: e820: 65536 @ 000f0000 (reserved)
Oct 13 19:37:26 SunWave1 kernel: e820: 267321344 @ 00100000 (usable)
Oct 13 19:37:26 SunWave1 kernel: e820: 32768 @ 0fff0000 (ACPI data)
Oct 13 19:37:26 SunWave1 kernel: e820: 32768 @ 0fff8000 type 4
Oct 13 19:37:26 SunWave1 kernel: e820: 65536 @ ffff0000 (reserved)
Oct 13 23:14:14 SunWave1 kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000028
Oct 13 23:14:14 SunWave1 kernel: c0129cfc
Oct 13 23:14:14 SunWave1 kernel: *pde = 00000000
Oct 13 23:14:14 SunWave1 kernel: Oops: 0000
Oct 13 23:14:14 SunWave1 kernel: CPU: 0
Oct 13 23:14:14 SunWave1 kernel: EIP: 0010:[try_to_unuse+316/576]
Oct 13 23:14:14 SunWave1 kernel: EFLAGS: 00010202
Oct 13 23:14:14 SunWave1 kernel: eax: 00000001 ebx: d4804000 ecx:
00000000 edx: 00000000
Oct 13 23:14:14 SunWave1 kernel: esi: 00000008 edi: c0273b4c ebp:
cffed940 esp: c2151f34
Oct 13 23:14:14 SunWave1 kernel: ds: 0018 es: 0018 ss: 0018
Oct 13 23:14:14 SunWave1 kernel: Process swapoff (pid: 2711,
stackpage=c2151000)
Oct 13 23:14:14 SunWave1 kernel: Stack: c0273b4c cffed940 00000000
c0273b20 c0129f0d 00000000 c2150000 bffff9c4
Oct 13 23:14:14 SunWave1 kernel: 0804a3ab 0804b948 ffffffea
00000000 c0120348 c2150000 c0210a20 40075168
Oct 13 23:14:14 SunWave1 kernel: 00000000 cef7d1d4 cd077bfc
bffff1c4 00000001 40075168 c01108b7 c2150000
Oct 13 23:14:14 SunWave1 kernel: Call Trace: [sys_swapoff+269/608]
[handle_mm_fault+184/304] [do_page_fault+343/1168] [error_code+45/52]
[system_call+52/56]
Oct 13 23:14:14 SunWave1 kernel: Code: 3b 72 28 72 87 e9 f0 00 00 00 8b
54 24 1c 01 d2 89 f0 c1 e0
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 3b 72 28 cmp 0x28(%edx),%esi
Code; 00000003 Before first symbol
3: 72 87 jb ffffff8c <_EIP+0xffffff8c>
ffffff8c <END_OF_CODE+2b7888ad/????>
Code; 00000005 Before first symbol
5: e9 f0 00 00 00 jmp fa <_EIP+0xfa> 000000fa Before
first symbol
Code; 0000000a Before first symbol
a: 8b 54 24 1c mov 0x1c(%esp,1),%edx
Code; 0000000e Before first symbol
e: 01 d2 add %edx,%edx
Code; 00000010 Before first symbol
10: 89 f0 mov %esi,%eax
Code; 00000012 Before first symbol
12: c1 e0 00 shl $0x0,%eax

Regards,
Dieter

---
Dieter Nützel
Graduate Student, Computer Science


University of Hamburg
Department of Computer Science
Cognitive Systems Group
Vogt-Kölln-Straße 30
D-22527 Hamburg, Germany


!!!!!!!!!! Attention new 'mail address @home' !!!!!!!!!!
email: Dieter Nützel <nuetzel@kogs.informatik.uni-hamburg.de>
@home: Dieter Nützel <dieter.nuetzel@okay.net>


_________________________________________________________


DRI (Direct Rendering Infrastructure) for Linux.
Because I do 3D medical visualization as my thesis.
_________________________________________________________




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