Messages in this thread | | | Date | Fri, 04 Jan 2002 16:46:39 -0500 | From | Roger Leblanc <> | Subject | Re: Deadlock in kernel on USB shutdown |
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Hi Greg,
Greg KH wrote:
> >When the seg-fault happens, I am guessing that an oops message is sent >to the kernel log. Look at 'dmesg'. Run that oops through ksymoops. >See Documentation/oops-tracing.txt for more info on oopses and how to >get info from them. > >thanks, > >greg k-h > Sorry for the delay.
I found a lot of oopses and I managed to separate them in two files (attached). Each of the files correspond approx. to the time when I had the 2 seg-faults.
Thanks a lot for all your help Greg. It is really appreciated.
Happy New Year!
Roger Leblanc
ksymoops 2.4.3 on i686 2.4.17. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.17/ (default) -m /usr/src/linux/System.map (default)
Warning: You did not tell me where to find symbol information. I will assume that the log matches the kernel and modules that are running right now and I'll use the default options above for symbol resolution. If the current kernel and/or modules do not match the log, you can get more accurate output by telling me the kernel version and where to find map, modules, ksyms etc. ksymoops -h explains the options.
Jan 2 21:00:23 roger kernel: <1>Unable to handle kernel paging request at virtual address a1ae3ae0 Jan 2 21:00:23 roger kernel: e614b46e Jan 2 21:00:23 roger kernel: Oops: 0000 Jan 2 21:00:23 roger kernel: CPU: 0 Jan 2 21:00:23 roger kernel: EIP: 0010:[scanner:__insmod_scanner_O/lib/modules/2.4.17/kernel/drivers/usb/sc+-41200530/96] Not tainted Jan 2 21:00:23 roger kernel: EIP: 0010:[<e614b46e>] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 Jan 2 21:00:23 roger kernel: EFLAGS: 00010282 Jan 2 21:00:23 roger kernel: eax: c02b1466 ebx: dcd755a0 ecx: c031ade8 edx: 00000000 Jan 2 21:00:23 roger kernel: esi: e7ff91e0 edi: dcd75480 ebp: e252dba0 esp: e08fbf3c Jan 2 21:00:23 roger kernel: ds: 0018 es: 0018 ss: 0018 Jan 2 21:00:23 roger kernel: Process mozilla-bin (pid: 1986, stackpage=e08fb000) Jan 2 21:00:23 roger kernel: Stack: c01ff4b0 dcd755a0 dcd75480 c01ffa40 dcd755a0 ffffffff e517f8c0 00000000 Jan 2 21:00:23 roger kernel: e517f8c0 c01344ce dcd75480 e517f8c0 000080d4 00000014 09266be0 bf5ff4b4 Jan 2 21:00:23 roger kernel: e517f8c0 e517f8c0 00000000 bf5ff404 c013332d e517f8c0 e2745580 00000000 Jan 2 21:00:23 roger kernel: Call Trace: [sock_release+16/96] [sock_close+48/64] [fput+78/240] [filp_close+141/160] [sys_close+91/112] Jan 2 21:00:23 roger kernel: Call Trace: [<c01ff4b0>] [<c01ffa40>] [<c01344ce>] [<c013332d>] [<c013339b>] Jan 2 21:00:23 roger kernel: [<c0106f1b>] Jan 2 21:00:23 roger kernel: Code: 33 3c 7e b8 33 3c 7e b8 33 3c 0a 00 00 00 00 10 00 00 00 00
>>EIP; e614b46e <_end+25e04bfa/2851978c> <===== Trace; c01ff4b0 <sock_release+10/60> Trace; c01ffa40 <sock_close+30/40> Trace; c01344ce <fput+4e/f0> Trace; c013332c <filp_close+8c/a0> Trace; c013339a <sys_close+5a/70> Trace; c0106f1a <system_call+32/38> Code; e614b46e <_end+25e04bfa/2851978c> 00000000 <_EIP>: Code; e614b46e <_end+25e04bfa/2851978c> <===== 0: 33 3c 7e xor (%esi,%edi,2),%edi <===== Code; e614b470 <_end+25e04bfc/2851978c> 3: b8 33 3c 7e b8 mov $0xb87e3c33,%eax Code; e614b476 <_end+25e04c02/2851978c> 8: 33 3c 0a xor (%edx,%ecx,1),%edi Code; e614b478 <_end+25e04c04/2851978c> b: 00 00 add %al,(%eax) Code; e614b47a <_end+25e04c06/2851978c> d: 00 00 add %al,(%eax) Code; e614b47c <_end+25e04c08/2851978c> f: 10 00 adc %al,(%eax)
Jan 2 21:00:23 roger kernel: <1>Unable to handle kernel paging request at virtual address a8b4e5e0 Jan 2 21:00:23 roger kernel: e614b46e Jan 2 21:00:23 roger kernel: Oops: 0000 Jan 2 21:00:23 roger kernel: CPU: 0 Jan 2 21:00:23 roger kernel: EIP: 0010:[scanner:__insmod_scanner_O/lib/modules/2.4.17/kernel/drivers/usb/sc+-41200530/96] Not tainted Jan 2 21:00:23 roger kernel: EIP: 0010:[<e614b46e>] Not tainted Jan 2 21:00:23 roger kernel: EFLAGS: 00010293 Jan 2 21:00:23 roger kernel: eax: c02b1466 ebx: e05aab20 ecx: c031ade8 edx: 00000000 Jan 2 21:00:23 roger kernel: esi: e7ff91e0 edi: e05aaa00 ebp: e06d28a0 esp: e17d7e48 Jan 2 21:00:23 roger kernel: ds: 0018 es: 0018 ss: 0018 Jan 2 21:00:23 roger kernel: Process mozilla-bin (pid: 1966, stackpage=e17d7000) Jan 2 21:00:23 roger kernel: Stack: c01ff4b0 e05aab20 e05aaa00 c01ffa40 e05aab20 ffffffff e04b5ce0 00000000 Jan 2 21:00:23 roger kernel: e04b5ce0 c01344ce e05aaa00 e04b5ce0 e17d4bfc e3679960 e7ffbce4 e3679960 Jan 2 21:00:23 roger kernel: 00007fff e04b5ce0 00000000 00000011 c013332d e04b5ce0 e2745580 00000000 Jan 2 21:00:23 roger kernel: Call Trace: [sock_release+16/96] [sock_close+48/64] [fput+78/240] [filp_close+141/160] [put_files_struct+77/208] Jan 2 21:00:23 roger kernel: Call Trace: [<c01ff4b0>] [<c01ffa40>] [<c01344ce>] [<c013332d>] [<c011881d>] Jan 2 21:00:23 roger kernel: [<c011901f>] [<c010ac98>] [<c0106dc4>] [<c013bf1a>] [<c01133c9>] [<c0106f54>] Warning (Oops_read): Code line not seen, dumping what data is available
>>EIP; e614b46e <_end+25e04bfa/2851978c> <===== Trace; c01ff4b0 <sock_release+10/60> Trace; c01ffa40 <sock_close+30/40> Trace; c01344ce <fput+4e/f0> Trace; c013332c <filp_close+8c/a0> Trace; c011881c <put_files_struct+4c/d0> Trace; c011901e <do_exit+10e/240> Trace; c010ac98 <call_do_IRQ+6/e> Trace; c0106dc4 <do_signal+244/2b0> Trace; c013bf1a <pipe_write+20a/270> Trace; c01133c8 <schedule+458/510> Trace; c0106f54 <signal_return+14/18>
2 warnings issued. Results may not be reliable. ksymoops 2.4.3 on i686 2.4.17. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.17/ (default) -m /usr/src/linux/System.map (default)
Warning: You did not tell me where to find symbol information. I will assume that the log matches the kernel and modules that are running right now and I'll use the default options above for symbol resolution. If the current kernel and/or modules do not match the log, you can get more accurate output by telling me the kernel version and where to find map, modules, ksyms etc. ksymoops -h explains the options.
Jan 2 21:00:38 roger kernel: <1>Unable to handle kernel paging request at virtual address aeed88e0 Jan 2 21:00:38 roger kernel: e614b46e Jan 2 21:00:38 roger kernel: Oops: 0000 Jan 2 21:00:38 roger kernel: CPU: 0 Jan 2 21:00:38 roger kernel: EIP: 0010:[scanner:__insmod_scanner_O/lib/modules/2.4.17/kernel/drivers/usb/sc+-41200530/96] Not tainted Jan 2 21:00:38 roger kernel: EIP: 0010:[<e614b46e>] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 Jan 2 21:00:38 roger kernel: EFLAGS: 00013297 Jan 2 21:00:38 roger kernel: eax: c02b1466 ebx: e376fca0 ecx: c031ade8 edx: 00000000 Jan 2 21:00:38 roger kernel: esi: e7ff91e0 edi: e376fb80 ebp: e3729440 esp: e5099f3c Jan 2 21:00:38 roger kernel: ds: 0018 es: 0018 ss: 0018 Jan 2 21:00:38 roger kernel: Process X (pid: 1628, stackpage=e5099000) Jan 2 21:00:38 roger kernel: Stack: c01ff4b0 e376fca0 e376fb80 c01ffa40 e376fca0 ffffffff e517f440 00000000 Jan 2 21:00:38 roger kernel: e517f440 c01344ce e376fb80 e517f440 0000000c e376fca0 e376fca0 0000000a Jan 2 21:00:38 roger kernel: e517f440 e517f440 00000000 bffff758 c013332d e517f440 e6de76c0 00000000 Jan 2 21:00:38 roger kernel: Call Trace: [sock_release+16/96] [sock_close+48/64] [fput+78/240] [filp_close+141/160] [sys_close+91/112] Jan 2 21:00:38 roger kernel: Call Trace: [<c01ff4b0>] [<c01ffa40>] [<c01344ce>] [<c013332d>] [<c013339b>] Jan 2 21:00:38 roger kernel: [<c0106f1b>] Jan 2 21:00:38 roger kernel: Code: 33 3c 7e b8 33 3c 7e b8 33 3c 0a 00 00 00 00 10 00 00 00 00
>>EIP; e614b46e <_end+25e04bfa/2851978c> <===== Trace; c01ff4b0 <sock_release+10/60> Trace; c01ffa40 <sock_close+30/40> Trace; c01344ce <fput+4e/f0> Trace; c013332c <filp_close+8c/a0> Trace; c013339a <sys_close+5a/70> Trace; c0106f1a <system_call+32/38> Code; e614b46e <_end+25e04bfa/2851978c> 00000000 <_EIP>: Code; e614b46e <_end+25e04bfa/2851978c> <===== 0: 33 3c 7e xor (%esi,%edi,2),%edi <===== Code; e614b470 <_end+25e04bfc/2851978c> 3: b8 33 3c 7e b8 mov $0xb87e3c33,%eax Code; e614b476 <_end+25e04c02/2851978c> 8: 33 3c 0a xor (%edx,%ecx,1),%edi Code; e614b478 <_end+25e04c04/2851978c> b: 00 00 add %al,(%eax) Code; e614b47a <_end+25e04c06/2851978c> d: 00 00 add %al,(%eax) Code; e614b47c <_end+25e04c08/2851978c> f: 10 00 adc %al,(%eax)
Jan 2 21:00:38 roger kernel: <1>Unable to handle kernel paging request at virtual address b21b72a0 Jan 2 21:00:38 roger kernel: e614b46e Jan 2 21:00:38 roger kernel: Oops: 0000 Jan 2 21:00:38 roger kernel: CPU: 0 Jan 2 21:00:38 roger kernel: EIP: 0010:[scanner:__insmod_scanner_O/lib/modules/2.4.17/kernel/drivers/usb/sc+-41200530/96] Not tainted Jan 2 21:00:38 roger kernel: EIP: 0010:[<e614b46e>] Not tainted Jan 2 21:00:38 roger kernel: EFLAGS: 00013287 Jan 2 21:00:38 roger kernel: eax: c02b1466 ebx: e50df180 ecx: c031ade8 edx: 00000000 Jan 2 21:00:38 roger kernel: esi: e7ff91e0 edi: e50df060 ebp: e50d0760 esp: e5099d70 Jan 2 21:00:38 roger kernel: ds: 0018 es: 0018 ss: 0018 Jan 2 21:00:38 roger kernel: Process X (pid: 1628, stackpage=e5099000) Jan 2 21:00:38 roger kernel: Stack: c01ff4b0 e50df180 e50df060 c01ffa40 e50df180 ffffffff e4e7ff60 00000000 Jan 2 21:00:38 roger kernel: e4e7ff60 c01344ce e50df060 e4e7ff60 e4e22bfc e6ed1bc0 e7ffbce4 e6ed1bc0 Jan 2 21:00:38 roger kernel: 03ffff7f e4e7ff60 00000000 00000003 c013332d e4e7ff60 e6de76c0 00000000 Jan 2 21:00:38 roger kernel: Call Trace: [sock_release+16/96] [sock_close+48/64] [fput+78/240] [filp_close+141/160] [put_files_struct+77/208] Jan 2 21:00:38 roger kernel: Call Trace: [<c01ff4b0>] [<c01ffa40>] [<c01344ce>] [<c013332d>] [<c011881d>] Jan 2 21:00:38 roger kernel: [<c011901f>] [<c01122a0>] [<c0107464>] [<c0112698>] [<c01ff56c>] [<c01133c9>] Jan 2 21:00:38 roger kernel: [<c0190530>] [<c01122e0>] [<c010700c>] [<c01ff4b0>] [<c01ffa40>] [<c01344ce>] Jan 2 21:00:38 roger kernel: [<c013332d>] [<c013339b>] [<c0106f1b>] Jan 2 21:00:38 roger kernel: Code: 33 3c 7e b8 33 3c 7e b8 33 3c 0a 00 00 00 00 10 00 00 00 00
>>EIP; e614b46e <_end+25e04bfa/2851978c> <===== Trace; c01ff4b0 <sock_release+10/60> Trace; c01ffa40 <sock_close+30/40> Trace; c01344ce <fput+4e/f0> Trace; c013332c <filp_close+8c/a0> Trace; c011881c <put_files_struct+4c/d0> Trace; c011901e <do_exit+10e/240> Trace; c01122a0 <bust_spinlocks+50/60> Trace; c0107464 <die+54/70> Trace; c0112698 <do_page_fault+3b8/500> Trace; c01ff56c <sock_sendmsg+6c/90> Trace; c01133c8 <schedule+458/510> Trace; c0190530 <normal_poll+110/130> Trace; c01122e0 <do_page_fault+0/500> Trace; c010700c <error_code+34/3c> Trace; c01ff4b0 <sock_release+10/60> Trace; c01ffa40 <sock_close+30/40> Trace; c01344ce <fput+4e/f0> Trace; c013332c <filp_close+8c/a0> Trace; c013339a <sys_close+5a/70> Trace; c0106f1a <system_call+32/38> Code; e614b46e <_end+25e04bfa/2851978c> 00000000 <_EIP>: Code; e614b46e <_end+25e04bfa/2851978c> <===== 0: 33 3c 7e xor (%esi,%edi,2),%edi <===== Code; e614b470 <_end+25e04bfc/2851978c> 3: b8 33 3c 7e b8 mov $0xb87e3c33,%eax Code; e614b476 <_end+25e04c02/2851978c> 8: 33 3c 0a xor (%edx,%ecx,1),%edi Code; e614b478 <_end+25e04c04/2851978c> b: 00 00 add %al,(%eax) Code; e614b47a <_end+25e04c06/2851978c> d: 00 00 add %al,(%eax) Code; e614b47c <_end+25e04c08/2851978c> f: 10 00 adc %al,(%eax)
Jan 2 21:00:38 roger kernel: <1>Unable to handle kernel paging request at virtual address ab7068e0 Jan 2 21:00:38 roger kernel: e614b46e Jan 2 21:00:38 roger kernel: Oops: 0000 Jan 2 21:00:38 roger kernel: CPU: 0 Jan 2 21:00:38 roger kernel: EIP: 0010:[scanner:__insmod_scanner_O/lib/modules/2.4.17/kernel/drivers/usb/sc+-41200530/96] Not tainted Jan 2 21:00:38 roger kernel: EIP: 0010:[<e614b46e>] Not tainted Jan 2 21:00:38 roger kernel: EFLAGS: 00010286 Jan 2 21:00:38 roger kernel: eax: c02b1466 ebx: e1b86ca0 ecx: c031ade8 edx: 00000000 Jan 2 21:00:38 roger kernel: esi: e7ff91e0 edi: e1b86b80 ebp: e1bac1a0 esp: e33a9f3c Jan 2 21:00:38 roger kernel: ds: 0018 es: 0018 ss: 0018 Jan 2 21:00:38 roger kernel: Process ksmserver (pid: 1964, stackpage=e33a9000) Jan 2 21:00:38 roger kernel: Stack: c01ff4b0 e1b86ca0 e1b86b80 c01ffa40 e1b86ca0 ffffffff e1c685e0 00000000 Jan 2 21:00:38 roger kernel: e1c685e0 c01344ce e1b86b80 e1c685e0 e1bcd2e0 c0141932 e1bcd2e0 00000004 Jan 2 21:00:38 roger kernel: e1c685e0 e1c685e0 00000000 bfffef58 c013332d e1c685e0 e2745a60 00000000 Jan 2 21:00:38 roger kernel: Call Trace: [sock_release+16/96] [sock_close+48/64] [fput+78/240] [sys_select+1138/1152] [filp_close+141/160] Jan 2 21:00:38 roger kernel: Call Trace: [<c01ff4b0>] [<c01ffa40>] [<c01344ce>] [<c0141932>] [<c013332d>] Jan 2 21:00:38 roger kernel: [<c013339b>] [<c0106f1b>] Jan 2 21:00:38 roger kernel: Code: 33 3c 7e b8 33 3c 7e b8 33 3c 0a 00 00 00 00 10 00 00 00 00
>>EIP; e614b46e <_end+25e04bfa/2851978c> <===== Trace; c01ff4b0 <sock_release+10/60> Trace; c01ffa40 <sock_close+30/40> Trace; c01344ce <fput+4e/f0> Trace; c0141932 <sys_select+472/480> Trace; c013332c <filp_close+8c/a0> Trace; c013339a <sys_close+5a/70> Trace; c0106f1a <system_call+32/38> Code; e614b46e <_end+25e04bfa/2851978c> 00000000 <_EIP>: Code; e614b46e <_end+25e04bfa/2851978c> <===== 0: 33 3c 7e xor (%esi,%edi,2),%edi <===== Code; e614b470 <_end+25e04bfc/2851978c> 3: b8 33 3c 7e b8 mov $0xb87e3c33,%eax Code; e614b476 <_end+25e04c02/2851978c> 8: 33 3c 0a xor (%edx,%ecx,1),%edi Code; e614b478 <_end+25e04c04/2851978c> b: 00 00 add %al,(%eax) Code; e614b47a <_end+25e04c06/2851978c> d: 00 00 add %al,(%eax) Code; e614b47c <_end+25e04c08/2851978c> f: 10 00 adc %al,(%eax)
Jan 2 21:00:38 roger kernel: <1>Unable to handle kernel paging request at virtual address aba84920 Jan 2 21:00:38 roger kernel: e614b46e Jan 2 21:00:38 roger kernel: Oops: 0000 Jan 2 21:00:38 roger kernel: CPU: 0 Jan 2 21:00:38 roger kernel: EIP: 0010:[scanner:__insmod_scanner_O/lib/modules/2.4.17/kernel/drivers/usb/sc+-41200530/96] Not tainted Jan 2 21:00:38 roger kernel: EIP: 0010:[<e614b46e>] Not tainted Jan 2 21:00:38 roger kernel: EFLAGS: 00010213 Jan 2 21:00:38 roger kernel: eax: c02b1466 ebx: e1d45cc0 ecx: c031ade8 edx: 00000000 Jan 2 21:00:38 roger kernel: esi: e7ff91e0 edi: e1d45ba0 ebp: e1d1e0a0 esp: e33a9d70 Jan 2 21:00:38 roger kernel: ds: 0018 es: 0018 ss: 0018 Jan 2 21:00:38 roger kernel: Process ksmserver (pid: 1964, stackpage=e33a9000) Jan 2 21:00:38 roger kernel: Stack: c01ff4b0 e1d45cc0 e1d45ba0 c01ffa40 e1d45cc0 ffffffff e61a8120 00000000 Jan 2 21:00:38 roger kernel: e61a8120 c01344ce e1d45ba0 e61a8120 e2dacbfc e3679b40 e7ffbce4 e3679b40 Jan 2 21:00:38 roger kernel: 00007fef e61a8120 00000000 00000003 c013332d e61a8120 e2745a60 00000000 Jan 2 21:00:38 roger kernel: Call Trace: [sock_release+16/96] [sock_close+48/64] [fput+78/240] [filp_close+141/160] [put_files_struct+77/208] Jan 2 21:00:38 roger kernel: Call Trace: [<c01ff4b0>] [<c01ffa40>] [<c01344ce>] [<c013332d>] [<c011881d>] Jan 2 21:00:38 roger kernel: [<c011901f>] [<c01122a0>] [<c0107464>] [<c0112698>] [<c010657a>] [<c01066d4>] Jan 2 21:00:38 roger kernel: [<c01122e0>] [<c010700c>] [<c01ff4b0>] [<c01ffa40>] [<c01344ce>] [<c0141932>] Jan 2 21:00:38 roger kernel: [<c013332d>] [<c013339b>] [<c0106f1b>] Jan 2 21:00:38 roger kernel: Code: 33 3c 7e b8 33 3c 7e b8 33 3c 0a 00 00 00 00 10 00 00 00 00
>>EIP; e614b46e <_end+25e04bfa/2851978c> <===== Trace; c01ff4b0 <sock_release+10/60> Trace; c01ffa40 <sock_close+30/40> Trace; c01344ce <fput+4e/f0> Trace; c013332c <filp_close+8c/a0> Trace; c011881c <put_files_struct+4c/d0> Trace; c011901e <do_exit+10e/240> Trace; c01122a0 <bust_spinlocks+50/60> Trace; c0107464 <die+54/70> Trace; c0112698 <do_page_fault+3b8/500> Trace; c010657a <setup_sigcontext+da/120> Trace; c01066d4 <setup_frame+114/210> Trace; c01122e0 <do_page_fault+0/500> Trace; c010700c <error_code+34/3c> Trace; c01ff4b0 <sock_release+10/60> Trace; c01ffa40 <sock_close+30/40> Trace; c01344ce <fput+4e/f0> Trace; c0141932 <sys_select+472/480> Trace; c013332c <filp_close+8c/a0> Trace; c013339a <sys_close+5a/70> Trace; c0106f1a <system_call+32/38> Code; e614b46e <_end+25e04bfa/2851978c> 00000000 <_EIP>: Code; e614b46e <_end+25e04bfa/2851978c> <===== 0: 33 3c 7e xor (%esi,%edi,2),%edi <===== Code; e614b470 <_end+25e04bfc/2851978c> 3: b8 33 3c 7e b8 mov $0xb87e3c33,%eax Code; e614b476 <_end+25e04c02/2851978c> 8: 33 3c 0a xor (%edx,%ecx,1),%edi Code; e614b478 <_end+25e04c04/2851978c> b: 00 00 add %al,(%eax) Code; e614b47a <_end+25e04c06/2851978c> d: 00 00 add %al,(%eax) Code; e614b47c <_end+25e04c08/2851978c> f: 10 00 adc %al,(%eax)
Jan 2 21:00:38 roger kernel: <1>Unable to handle kernel paging request at virtual address a92eece0 Jan 2 21:00:38 roger kernel: e614b46e
1 warning issued. Results may not be reliable.
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