Messages in this thread | | | Date | Sat, 22 May 1999 22:53:40 +0200 | From | Dieter Nützel <> | Subject | Re: 2.2.9/2.3.3-ac2 kernel NULL pointer with IDE & 'rmmod -a' |
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Tim Waugh wrote:
> On Fri, 21 May 1999, Dieter [iso-8859-1] Nützel wrote: > > > SunWave1>rmmod -a > > Unable to handle kernel NULL pointer dereference at virtual address > > [...]
Sorry for this, should NOT happen, again!!!
This should look much better?! :-)
SunWave1>./ksymoops -m /System.map < 2.3.3-ac2-error.log Options used: -V (default) -o /lib/modules/2.3.3-ac2/ (default) -k /proc/ksyms (default) -l /proc/modules (default) -m /System.map (specified) -c 1 (default) -a - same as ksymoops (default)
Warning in compare_ksyms_lsmod, module awe_wave is in lsmod but not in ksyms, probably no symbols exported Unable to handle kernel NULL pointer dereference at virtual address 00000004 current->tss.cr3 = 0e81a000, %cr3 = 0e81a000 *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[<d1831319>] EFLAGS: 00010212 eax: 00000000 ebx: 00000000 ecx: 00000040 edx: 00000803 esi: d183aa00 edi: 00000301 ebp: 00000001 esp: ce655f6c ds: 0018 es: 0018 ss: 0018 Process rmmod (pid: 200, process nr: 31, stackpage=ce655000) Stack: 00000001 00000061 00000040 00000297 00000000 d183a940 d1834c96 00000000 d182f000 d182f000 c0118b20 d182f000 d182b000 00000001 c0117e1d d182f000 00000001 ce654000 bffffb28 bffff9d4 ce655fc4 c010ab54 00000000 0804f6cb Call Trace: [<c0118b20>] [<c0117e1d>] [<c010ab54>] Code: 83 7c d8 04 00 7e 3a 8b 4c 24 1c 8b 54 24 10 66 0f b6 b9 74 Copying default arch from ksymoops, bfd_arch=8 bfd_mach=0
>>EIP; d1831319 <END_OF_CODE+fedcd9/????> Trace; c0118b20 <sys_get_kernel_syms+191/1e5> Trace; c0117e1d <sys_init_module+24a/4e3> Trace; c010ab54 <do_signal+268/27c> Code; d1831319 <END_OF_CODE+fedcd9/????> 00000000 <_EIP>: Code; d1831319 <END_OF_CODE+fedcd9/????> 0: 83 7c d8 04 00 cmpl $0x0,0x4(%eax,%ebx,8) Code; d183131e <END_OF_CODE+fedcde/????> 5: 7e 3a jle 41 <_EIP+0x41> d183135a <END_OF_CODE+fedd1a/????> Code; d1831320 <END_OF_CODE+fedce0/????> 7: 8b 4c 24 1c movl 0x1c(%esp,1),%ecx Code; d1831324 <END_OF_CODE+fedce4/????> b: 8b 54 24 10 movl 0x10(%esp,1),%edx Code; d1831328 <END_OF_CODE+fedce8/????> f: 66 0f b6 b9 74 00 00 movzbw 0x74(%ecx),%di Code; d183132f <END_OF_CODE+fedcef/????> 16: 00
1 warning issued. Results may not be reliable.
*******************************************************************************
Second Oops, same prog:
SunWave1>./ksymoops -m /System.map < syslog Options used: -V (default) -o /lib/modules/2.3.3-ac2/ (default) -k /proc/ksyms (default) -l /proc/modules (default) -m /System.map (specified) -c 1 (default) -a - same as ksymoops (default)
Warning in compare_ksyms_lsmod, module awe_wave is in lsmod but not in ksyms, probably no symbols exported May 22 20:10:02 SunWave1 kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004 May 22 20:10:02 SunWave1 kernel: current->tss.cr3 = 0aabf000, %cr3 = 0aabf000 May 22 20:10:02 SunWave1 kernel: *pde = 00000000 May 22 20:10:02 SunWave1 kernel: Oops: 0000 May 22 20:10:02 SunWave1 kernel: CPU: 0 May 22 20:10:02 SunWave1 kernel: EIP: 0010:[<d088b3b9>] May 22 20:10:02 SunWave1 kernel: EFLAGS: 00010212 May 22 20:10:02 SunWave1 kernel: eax: 00000000 ebx: d0894b60 ecx: 00000040 edx: 00000802 May 22 20:10:02 SunWave1 kernel: esi: 00000000 edi: 00000301 ebp: 00000001 esp: c397ff54 May 22 20:10:02 SunWave1 kernel: ds: 0018 es: 0018 ss: 0018 May 22 20:10:02 SunWave1 kernel: Process rmmod (pid: 10927, process nr: 65, stackpage=c397f000) May 22 20:10:02 SunWave1 kernel: Stack: 00000001 00000061 00000040 00000297 00000000 d0894aa0 c6bb69a0 d088ed77 May 22 20:10:02 SunWave1 kernel: 00000000 d088ed60 d0889000 d0889000 d089a000 c0118b94 d0889000 d0885000 May 22 20:10:02 SunWave1 kernel: 00000001 c0118265 d0889000 00000001 c397e000 bffffecb bffffdd4 cc207478 May 22 20:10:02 SunWave1 kernel: Call Trace: [<d0894aa0>] [<d088ed77>] [<d088ed60>] [<d0889000>] [<d0889000>] [<d089a000>] [free_module+32/169] May 22 20:10:02 SunWave1 kernel: [<d0889000>] [<d0885000>] [sys_delete_module+431/491] [<d0889000>] [error_code+45/64] [system_call+52/64] May 22 20:10:02 SunWave1 kernel: Code: 83 7c f0 04 00 7e 3d 8b 4c 24 1c 8b 54 24 10 66 0f b6 b9 74 Copying default arch from ksymoops, bfd_arch=8 bfd_mach=0
>>EIP; d088b3b9 <END_OF_CODE+47d79/????> Trace; d0894aa0 <END_OF_CODE+51460/????> Trace; d088ed77 <END_OF_CODE+4b737/????> Trace; d088ed60 <END_OF_CODE+4b720/????> Trace; d0889000 <END_OF_CODE+459c0/????> Trace; d0889000 <END_OF_CODE+459c0/????> Trace; d089a000 <END_OF_CODE+569c0/????> Trace; d0889000 <END_OF_CODE+459c0/????> Trace; d0885000 <END_OF_CODE+419c0/????> Code; d088b3b9 <END_OF_CODE+47d79/????> 00000000 <_EIP>: Code; d088b3b9 <END_OF_CODE+47d79/????> 0: 83 7c f0 04 00 cmpl $0x0,0x4(%eax,%esi,8) Code; d088b3be <END_OF_CODE+47d7e/????> 5: 7e 3d jle 44 <_EIP+0x44> d088b3fd <END_OF_CODE+47dbd/????> Code; d088b3c0 <END_OF_CODE+47d80/????> 7: 8b 4c 24 1c movl 0x1c(%esp,1),%ecx Code; d088b3c4 <END_OF_CODE+47d84/????> b: 8b 54 24 10 movl 0x10(%esp,1),%edx Code; d088b3c8 <END_OF_CODE+47d88/????> f: 66 0f b6 b9 74 00 00 movzbw 0x74(%ecx),%di Code; d088b3cf <END_OF_CODE+47d8f/????> 16: 00
1 warning issued. Results may not be reliable.
Have a nice Whitsun.
--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
email: Dieter Nützel <nuetzel@kogs.informatik.uni-hamburg.de> @home: Dieter Nützel <dieter.nuetzel@arcormail.de>
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