Messages in this thread |  | | Date | Thu, 7 Jun 2001 15:40:54 +0200 | From | Olaf Hering <> | Subject | 2.4.5-ac9 console NULL pointer pointer dereference |
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Hi,
this happend with 2.4.5-ac9 with serial console on i386.
Full boot log and config can be found here: http://www.penguinppc.org/~olaf/bugs/245-ac9/
ksymoops 2.4.1 on i686 2.4.6-pre1. Options used -v /usr/src/OLAF/linux-2.4.5-ac9/vmlinux (specified) -K (specified) -L (specified) -O (specified) -m /usr/src/OLAF/linux-2.4.5-ac9/System.map (specified)
WARNING: unexpectC, please mail cpu: 0, clocks: 1001790, slice: 500895 ttyS1 at Unable to handle kernel NULL pointer dereference0x02f8 (irq = 3) at virtual address 00000004 Oops: 0000 CPU: 0 EIP: 0010:[<c01967c7>] Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010282 eax: 00000000 ebx: c1231fa4 ecx: 00000202 edx: 00000000 esi: c1231fa4 edi: c1230332 ebp: c1230000 esp: c1231f8c ds: 0018 es: 0018 ss: 0018 Process keventd (pid: 2, stackpage=c1231000) Stack: c0195a67 c1231fa4 c0119a5c 00000000 c1230650 c1231fe0 c025a5c4 c025a5c4 c0120f97 c0252d20 00000700 c123ffc4 00000000 0008e000 c1230650 c1230640 00000001 00000000 00000000 00010000 00000000 00000000 c1230000 c0252d2c Call Trace: [<c0195a67>] [<c0119a5c>] [<c0120f97>] [<c01056cc>] Code: 80 78 04 01 74 39 83 3d 00 43 2d c0 00 74 11 a1 88 52 2c c0
>>EIP; c01967c7 <poke_blanked_console+1b/5c> <===== Trace; c0195a67 <console_callback+5f/b0> Trace; c0119a5c <__run_task_queue+60/74> Trace; c0120f97 <context_thread+127/1c4> Trace; c01056cc <kernel_thread+28/38> Code; c01967c7 <poke_blanked_console+1b/5c> 00000000 <_EIP>: Code; c01967c7 <poke_blanked_console+1b/5c> <===== 0: 80 78 04 01 cmpb $0x1,0x4(%eax) <===== Code; c01967cb <poke_blanked_console+1f/5c> 4: 74 39 je 3f <_EIP+0x3f> c0196806 <poke_blanked_console+5a/5c> Code; c01967cd <poke_blanked_console+21/5c> 6: 83 3d 00 43 2d c0 00 cmpl $0x0,0xc02d4300 Code; c01967d4 <poke_blanked_console+28/5c> d: 74 11 je 20 <_EIP+0x20> c01967e7 <poke_blanked_console+3b/5c> Code; c01967d6 <poke_blanked_console+2a/5c> f: a1 88 52 2c c0 mov 0xc02c5288,%eax
Gruss Olaf
-- $ man clone
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