Messages in this thread | | | Date | Sat, 28 Mar 1998 21:34:01 +0100 | From | Thomas Pornin <> | Subject | [2.1.92p1] weird bogomips and live oops |
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Hello,
I have a 6x86MX-200. 2.0.32 and 2.1.91 report the normal bogomips value, namely 166. 2.1.92p1 reports 133. Otherwise the system seems fine (except that kmod seems not to unload unused modules with the autoclean flag, even though I did the echo "60" > kmod_unload_delay -- or was this figure in minutes rather than seconds ??).
Thought itUnable to handle kernel NULL pointer dereference at virtual address 00000000 current->tss.cr3 = 00101000, %cr3 = 00101000 *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0010:[<c011fa97>] EFLAGS: 00010286 eax: 0000001b ebx: c482d000 ecx: 0000000d edx: 00000000 esi: c482d000 edi: 00000001 ebp: 00009000 esp: c3fb9f40 ds: 0018 es: 0018 ss: 0018 Process kmod (pid: 4, process nr: 4, stackpage=c3fb9000) Stack: c01a2064 c482d000 c482d000 c4826000 00000001 00009000 00000000 00000000 00000000 c482863c c482d000 c4826000 c4827486 c482b49c c48275c3 c482b49c c0115e10 c4826000 c4823000 00000000 c01153f0 c4826000 00000001 c3fb8000 Call Trace: [<c01a2064>] [<c482d000>] [<c482d000>] [<c4826000>] [<c482863c>] [<c482d000>] [<c4826000>] [<c4827486>] [<c482b49c>] [<c48275c3>] [<c482b49c>] [<c0115e10>] [<c4826000>] [<c4823000>] [<c01153f0>] [<c4826000>] [<c0109916>] [<c01b0018>] [<c01194ec>] [<c011961f>] [<c0119484>] Code: c7 05 00 00 00 00 00 00 00 00 83 c4 08 5b 5e 5f 5d 83 c4 0c kfree: Bad obj c482d000 Unable to handle kernel NULL pointer dereference at virtual address 00000000 current->tss.cr3 = 00101000, %cr3 = 00101000 *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0010:[<c011fa97>] EFLAGS: 00010286 eax: 0000001b ebx: c482d000 ecx: 0000000d edx: 00000000 esi: c482d000 edi: 00000001 ebp: 00009000 esp: c3fb9f40 ds: 0018 es: 0018 ss: 0018 Process kmod (pid: 4, process nr: 4, stackpage=c3fb9000) Stack: c01a2064 c482d000 c482d000 c4826000 00000001 00009000 00000000 00000000 00000000 c482863c c482d000 c4826000 c4827486 c482b49c c48275c3 c482b49c c0115e10 c4826000 c4823000 00000000 c01153f0 c4826000 00000001 c3fb8000 Call Trace: [<c01a2064>] [<c482d000>] [<c482d000>] [<c4826000>] [<c482863c>] [<c482d000>] [<c4826000>] [<c4827486>] [<c482b49c>] [<c48275c3>] [<c482b49c>] [<c0115e10>] [<c4826000>] [<c4823000>] [<c01153f0>] [<c4826000>] [<c0109916>] [<c01b0018>] [<c01194ec>] [<c011961f>] [<c0119484>] Code: c7 05 00 00 00 00 00 00 00 00 83 c4 08 5b 5e 5f 5d 83 c4 0c
Wogh !!! I got two oops, and, I do not know how, they got included in my vi ! Now that IS interesting. And now lsmod reports: lsmod: QM_INFO: No such file or directory And a cat /proc/modules shows the module sb is "(deleted)". Cannot be rmmoded, and is still used by uart401 and sound.
Here is the ksymoops output for the first oops:
>>EIP: c011fa97 <kfree+19f/1b4> Trace: c01a2064 <tvecs+11f4/45af> Trace: c482d000 Trace: c482d000 Trace: c4826000 Trace: c482863c Trace: c482d000 Trace: c4826000 Trace: c4827486 Trace: c482b49c Trace: c48275c3 Trace: c482b49c Trace: c0115e10 <free_module+20/9c> Trace: c4826000 Trace: c4823000 Trace: c01153f0 <sys_delete_module+198/1d8> Trace: c4826000 Trace: c0109916 <system_call+3a/40> Trace: c01b0018 <syncs+34/3f14> Trace: c01194ec <kmod_thread+68/138> Trace: c011961f <kmod_init+2b/7c> Trace: c01194ec <kmod_thread+68/138> Code: c011fa97 <kfree+19f/1b4> Code: c011fa97 <kfree+19f/1b4> c7 05 00 00 00 movl $0x0,0x0 Code: c011fa9c <kfree+1a4/1b4> 00 00 00 00 00 Code: c011faa7 <kfree+1af/1b4> 83 c4 08 addl $0x8,%esp Code: c011faaa <kfree+1b2/1b4> 5b popl %ebx Code: c011faab <kfree+1b3/1b4> 5e popl %esi Code: c011faac <kfree_s> 5f popl %edi Code: c011faad <kfree_s+1/1b4> 5d popl %ebp Code: c011faae <kfree_s+2/1b4> 83 c4 0c addl $0xc,%esp
And for the second one:
>>EIP: c011fa97 <kfree+19f/1b4> Trace: c01a2064 <tvecs+11f4/45af> Trace: c482d000 Trace: c482d000 Trace: c4826000 Trace: c482863c Trace: c482d000 Trace: c4826000 Trace: c4827486 Trace: c482b49c Trace: c48275c3 Trace: c482b49c Trace: c0115e10 <free_module+20/9c> Trace: c4826000 Trace: c4823000 Trace: c01153f0 <sys_delete_module+198/1d8> Trace: c4826000 Trace: c0109916 <system_call+3a/40> Trace: c01b0018 <syncs+34/3f14> Trace: c01194ec <kmod_thread+68/138> Trace: c011961f <kmod_init+2b/7c> Trace: c01194ec <kmod_thread+68/138> Code: c011fa97 <kfree+19f/1b4> Code: c011fa97 <kfree+19f/1b4> c7 05 00 00 00 movl $0x0,0x0 Code: c011fa9c <kfree+1a4/1b4> 00 00 00 00 00 Code: c011faa7 <kfree+1af/1b4> 83 c4 08 addl $0x8,%esp Code: c011faaa <kfree+1b2/1b4> 5b popl %ebx Code: c011faab <kfree+1b3/1b4> 5e popl %esi Code: c011faac <kfree_s> 5f popl %edi Code: c011faad <kfree_s+1/1b4> 5d popl %ebp Code: c011faae <kfree_s+2/1b4> 83 c4 0c addl $0xc,%esp
I hope this is useful...
--Thomas Pornin
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