Messages in this thread | | | Date | Wed, 18 Mar 1998 17:12:25 +0100 (CET) | From | Andrea Arcangeli <> | Subject | Re: rmmoding sb driver (90pre3/2.1.90) oops |
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On Wed, 18 Mar 1998, Mark Orr wrote:
>Upon further review.... > >It's not as bad as it looked at first...the oops/trashing that happens >when rmmod'ing the sb driver (either manually, or by kmod) doesnt stop >ppp.o/slhc.o/ppp_deflate.o from loading -- so that's good. > >lets go to the videotape:
*oops snipped*
Here my Oops:
kfree: Bad obj c2827000 Unable to handle kernel NULL pointer dereference at virtual address 00000000 current->tss.cr3 = 0190c000, %cr3 = 0190c000 *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0010:[<c011ec67>] EFLAGS: 00010296 eax: 0000001b ebx: c2827000 ecx: c1c38000 edx: c01a0534 esi: c2827000 edi: 00000000 ebp: bffffbb0 esp: c199ff54 ds: 0018 es: 0018 ss: 0018 Process rmmod (pid: 169, process nr: 19, stackpage=c199f000) Stack: c018a2ab c2827000 c2827000 c2820000 00000000 bffffbb0 00000000 00000000 00000000 c282263c c2827000 c2820000 c2821486 c28254e0 c28215c3 c28254e0 c0115684 c2820000 fffffff0 00000000 c0114bfe c2820000 00000000 c199e000 Call Trace: [<c018a2ab>] [<c2827000>] [<c2827000>] [<c2820000>] [<c282263c>] [<c2827000>] [<c2820000>] [<c2821486>] [<c28254e0>] [<c28215c3>] [<c28254e0>] [<c0115684>] [<c2820000>] [<c0114bfe>] [<c2820000>] [<c0109916>] Code: c7 05 00 00 00 00 00 00 00 00 83 c4 08 5b 5e 5f 5d 83 c4 0c
Using `/System.map' to map addresses to symbols.
>>EIP: c011ec67 <kfree+19f/1b4> Trace: c018a2ab <tvecs+11ab/453a> Trace: c2827000 by hand sb_dsp_unload + 0x4a54 #I am to lazy to calc all by hand ;-) Trace: c2827000 Trace: c2820000 c281d65c unload_uart401, c2821434 attach_sb_card Trace: c282263c c28225ac sb_dsp_unload, c282f0d0 attach_awe Trace: c2827000 Trace: c2820000 Trace: c2821486 c282147c unload_sb, c2821f24 sb_dsp_detect Trace: c28254e0 c28225ac sb_dsp_unload, c282f0d0 attach_awe Trace: c28215c3 c282147c unload_sb, c2821f24 sb_dsp_detect Trace: c28254e0 c28225ac sb_dsp_unload, c282f0d0 attach_awe Trace: c0115684 <free_module+20/9c> Trace: c2820000 Trace: c0114bfe <sys_delete_module+132/1d8> Trace: c2820000 Trace: c0109916 <system_call+3a/40> Code: c011ec67 <kfree+19f/1b4> Code: c011ec67 <kfree+19f/1b4> c7 05 00 00 00 movl $0x0,0x0 Code: c011ec6c <kfree+1a4/1b4> 00 00 00 00 00 Code: c011ec77 <kfree+1af/1b4> 83 c4 08 addl $0x8,%esp Code: c011ec7a <kfree+1b2/1b4> 5b popl %ebx Code: c011ec7b <kfree+1b3/1b4> 5e popl %esi Code: c011ec7c <kfree_s> 5f popl %edi Code: c011ec7d <kfree_s+1/1b4> 5d popl %ebp Code: c011ec7e <kfree_s+2/1b4> 83 c4 0c addl $0xc,%esp
Andrea[s] Arcangeli
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