I am out of ideas as to what could cause this crashing...
Can anyone offer any suggestions as to what I should do next?
war@war:~$ lsmod
Module Size Used by Not tainted
w83781d 20656 0
i2c-isa 1160 0 (unused)
i2c-algo-pcf 5316 0 (unused)
i2c-algo-bit 7560 0 (unused)
i2c-dev 4516 0 (unused)
i2c-proc 7216 0 [w83781d]
i2c-core 13028 0 [w83781d i2c-isa i2c-algo-pcf
i2c-algo-bit i2c-dev i2c-proc]
emu10k1 66284 0
ac97_codec 10356 0 [emu10k1]
sound 58440 0 (unused)
war@war:~$
Other than that, I am not using any binary-only modules or applications.
My X crashes randomly, my machine panicks, etc...
I've compiled 2.4.20, 2.4.21, with gcc-3.2.3, gcc-3.3, both have the same
or similiar problems.
I am out of ideas, I've tried all sorts of kernels, etc, re-installing
Slack 9.0, etc, I run the same setup on 2 other machines, and they work
fine, I've checked all the hardware (memory), (disk (on another machine)),
etc, it shows as OK.
Should I try a windows variant (win2k,xp) and see if I get any crashes,
beucase at this point I am not sure what else to do?
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c0131906
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c0131906>] Not tainted
EFLAGS: 00010246
eax: c0306a18 ebx: 00000000 ecx: c250fffc edx: 00000000
esi: c250ffe0 edi: 0001328a ebp: c0306c40 esp: c2821f40
ds: 0018 es: 0018 ss: 0018
Process kswapd (pid: 5, stackpage=c2821000)
Stack: c2095dd0 000001d0 000001ff 000001d0 00000016 0000001f 000001d0 00000020
00000006 c0131ca3 00000006 c0306b90 c0306c40 000001d0 00000006 c0306c40
00000000 c0131d1e 00000020 c0306c40 00000002 c2820000 c0131e3c c0306c40
Call Trace: [<c0131ca3>] [<c0131d1e>] [<c0131e3c>] [<c0131eb8>] [<c0131fe8>]
[<c0131f50>] [<c0105000>] [<c01057ae>] [<c0131f50>]
Code: 89 02 c7 01 00 00 00 00 89 50 04 a1 18 6a 30 c0 89 48 04 89
<1>Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c0131906
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c0131906>] Not tainted
EFLAGS: 00010246
eax: c0306a18 ebx: 00000000 ecx: c250fffc edx: 00000000
esi: c250ffe0 edi: 00013361 ebp: c0306c40 esp: e11c1e04
ds: 0018 es: 0018 ss: 0018
Process cp (pid: 8221, stackpage=e11c1000)
Stack: e11c1e38 c281916c 00000200 000001d2 00000020 00000020 000001d2 00000020
00000006 c0131ca3 00000006 004be6f5 c0306c40 000001d2 00000006 c0306c40
00000000 c0131d1e 00000020 e11c0000 0000021f c0306c40 c0132ba4 00000000
Call Trace: [<c0131ca3>] [<c0131d1e>] [<c0132ba4>] [<c0132e32>] [<c012ae99>]
[<c012b4ff>] [<c012b77d>] [<c012bcf0>] [<c012be82>] [<c012bcf0>] [<c01834a8>]
[<c01399a3>] [<c01073df>]
Code: 89 02 c7 01 00 00 00 00 89 50 04 a1 18 6a 30 c0 89 48 04 89
On Sun, 10 Aug 2003, war wrote:
> I am out of ideas as to what could cause this crashing...
> Can anyone offer any suggestions as to what I should do next?
>
> war@war:~$ lsmod
> Module Size Used by Not tainted
> w83781d 20656 0
> i2c-isa 1160 0 (unused)
> i2c-algo-pcf 5316 0 (unused)
> i2c-algo-bit 7560 0 (unused)
> i2c-dev 4516 0 (unused)
> i2c-proc 7216 0 [w83781d]
> i2c-core 13028 0 [w83781d i2c-isa i2c-algo-pcf
> i2c-algo-bit i2c-dev i2c-proc]
> emu10k1 66284 0
> ac97_codec 10356 0 [emu10k1]
> sound 58440 0 (unused)
> war@war:~$
>
> Other than that, I am not using any binary-only modules or applications.
>
> My X crashes randomly, my machine panicks, etc...
>
> I've compiled 2.4.20, 2.4.21, with gcc-3.2.3, gcc-3.3, both have the same
> or similiar problems.
>
> I am out of ideas, I've tried all sorts of kernels, etc, re-installing
> Slack 9.0, etc, I run the same setup on 2 other machines, and they work
> fine, I've checked all the hardware (memory), (disk (on another machine)),
> etc, it shows as OK.
>
> Should I try a windows variant (win2k,xp) and see if I get any crashes,
> beucase at this point I am not sure what else to do?
>
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> printing eip:
> c0131906
> *pde = 00000000
> Oops: 0002
> CPU: 0
> EIP: 0010:[<c0131906>] Not tainted
> EFLAGS: 00010246
> eax: c0306a18 ebx: 00000000 ecx: c250fffc edx: 00000000
> esi: c250ffe0 edi: 0001328a ebp: c0306c40 esp: c2821f40
> ds: 0018 es: 0018 ss: 0018
> Process kswapd (pid: 5, stackpage=c2821000)
> Stack: c2095dd0 000001d0 000001ff 000001d0 00000016 0000001f 000001d0 00000020
> 00000006 c0131ca3 00000006 c0306b90 c0306c40 000001d0 00000006 c0306c40
> 00000000 c0131d1e 00000020 c0306c40 00000002 c2820000 c0131e3c c0306c40
> Call Trace: [<c0131ca3>] [<c0131d1e>] [<c0131e3c>] [<c0131eb8>] [<c0131fe8>]
> [<c0131f50>] [<c0105000>] [<c01057ae>] [<c0131f50>]
>
> Code: 89 02 c7 01 00 00 00 00 89 50 04 a1 18 6a 30 c0 89 48 04 89
> <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000
> printing eip:
> c0131906
> *pde = 00000000
> Oops: 0002
> CPU: 0
> EIP: 0010:[<c0131906>] Not tainted
> EFLAGS: 00010246
> eax: c0306a18 ebx: 00000000 ecx: c250fffc edx: 00000000
> esi: c250ffe0 edi: 00013361 ebp: c0306c40 esp: e11c1e04
> ds: 0018 es: 0018 ss: 0018
> Process cp (pid: 8221, stackpage=e11c1000)
> Stack: e11c1e38 c281916c 00000200 000001d2 00000020 00000020 000001d2 00000020
> 00000006 c0131ca3 00000006 004be6f5 c0306c40 000001d2 00000006 c0306c40
> 00000000 c0131d1e 00000020 e11c0000 0000021f c0306c40 c0132ba4 00000000
> Call Trace: [<c0131ca3>] [<c0131d1e>] [<c0132ba4>] [<c0132e32>] [<c012ae99>]
> [<c012b4ff>] [<c012b77d>] [<c012bcf0>] [<c012be82>] [<c012bcf0>] [<c01834a8>]
> [<c01399a3>] [<c01073df>]
>
> Code: 89 02 c7 01 00 00 00 00 89 50 04 a1 18 6a 30 c0 89 48 04 89
Try memtest86 and make sure your memory is OK. After that (in case its not
memory), run the oops output through ksymoops and repost please.
This example would be a good opportunity for explanation. Hopefully, I am not the only one that has trouble deciphering the output from an Oops or panic.
If anyone is in the "know" and has the time, could you please give a little explanation as to what is being displayed below. I understand that the there is a stack trace and register dumps, but I am not all that familiar with the registers being displayed, their significance and meaning.
Thanks,
greg
-----Original Message-----
From: Marcelo Tosatti [mailto:[email protected]]
Sent: Monday, August 11, 2003 7:20 AM
To: war
Cc: [email protected]; [email protected]
Subject: Re: Kernel 2.4.21 Crashing
On Sun, 10 Aug 2003, war wrote:
> I am out of ideas as to what could cause this crashing...
> Can anyone offer any suggestions as to what I should do next?
>
> war@war:~$ lsmod
> Module Size Used by Not tainted
> w83781d 20656 0
> i2c-isa 1160 0 (unused)
> i2c-algo-pcf 5316 0 (unused)
> i2c-algo-bit 7560 0 (unused)
> i2c-dev 4516 0 (unused)
> i2c-proc 7216 0 [w83781d]
> i2c-core 13028 0 [w83781d i2c-isa i2c-algo-pcf
> i2c-algo-bit i2c-dev i2c-proc]
> emu10k1 66284 0
> ac97_codec 10356 0 [emu10k1]
> sound 58440 0 (unused)
> war@war:~$
>
> Other than that, I am not using any binary-only modules or applications.
>
> My X crashes randomly, my machine panicks, etc...
>
> I've compiled 2.4.20, 2.4.21, with gcc-3.2.3, gcc-3.3, both have the same
> or similiar problems.
>
> I am out of ideas, I've tried all sorts of kernels, etc, re-installing
> Slack 9.0, etc, I run the same setup on 2 other machines, and they work
> fine, I've checked all the hardware (memory), (disk (on another machine)),
> etc, it shows as OK.
>
> Should I try a windows variant (win2k,xp) and see if I get any crashes,
> beucase at this point I am not sure what else to do?
>
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> printing eip:
> c0131906
> *pde = 00000000
> Oops: 0002
> CPU: 0
> EIP: 0010:[<c0131906>] Not tainted
> EFLAGS: 00010246
> eax: c0306a18 ebx: 00000000 ecx: c250fffc edx: 00000000
> esi: c250ffe0 edi: 0001328a ebp: c0306c40 esp: c2821f40
> ds: 0018 es: 0018 ss: 0018
> Process kswapd (pid: 5, stackpage=c2821000)
> Stack: c2095dd0 000001d0 000001ff 000001d0 00000016 0000001f 000001d0 00000020
> 00000006 c0131ca3 00000006 c0306b90 c0306c40 000001d0 00000006 c0306c40
> 00000000 c0131d1e 00000020 c0306c40 00000002 c2820000 c0131e3c c0306c40
> Call Trace: [<c0131ca3>] [<c0131d1e>] [<c0131e3c>] [<c0131eb8>] [<c0131fe8>]
> [<c0131f50>] [<c0105000>] [<c01057ae>] [<c0131f50>]
>
> Code: 89 02 c7 01 00 00 00 00 89 50 04 a1 18 6a 30 c0 89 48 04 89
> <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000
> printing eip:
> c0131906
> *pde = 00000000
> Oops: 0002
> CPU: 0
> EIP: 0010:[<c0131906>] Not tainted
> EFLAGS: 00010246
> eax: c0306a18 ebx: 00000000 ecx: c250fffc edx: 00000000
> esi: c250ffe0 edi: 00013361 ebp: c0306c40 esp: e11c1e04
> ds: 0018 es: 0018 ss: 0018
> Process cp (pid: 8221, stackpage=e11c1000)
> Stack: e11c1e38 c281916c 00000200 000001d2 00000020 00000020 000001d2 00000020
> 00000006 c0131ca3 00000006 004be6f5 c0306c40 000001d2 00000006 c0306c40
> 00000000 c0131d1e 00000020 e11c0000 0000021f c0306c40 c0132ba4 00000000
> Call Trace: [<c0131ca3>] [<c0131d1e>] [<c0132ba4>] [<c0132e32>] [<c012ae99>]
> [<c012b4ff>] [<c012b77d>] [<c012bcf0>] [<c012be82>] [<c012bcf0>] [<c01834a8>]
> [<c01399a3>] [<c01073df>]
>
> Code: 89 02 c7 01 00 00 00 00 89 50 04 a1 18 6a 30 c0 89 48 04 89
Try memtest86 and make sure your memory is OK. After that (in case its not
memory), run the oops output through ksymoops and repost please.
--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive: http://mail.nl.linux.org/kernelnewbies/
FAQ: http://kernelnewbies.org/faq/
On Mon, 11 Aug 2003 10:19:56 -0700 "Greg Nate" <[email protected]> wrote:
| This example would be a good opportunity for explanation. Hopefully, I am not the only one that has trouble deciphering the output from an Oops or panic.
|
| If anyone is in the "know" and has the time, could you please give a little explanation as to what is being displayed below. I understand that the there is a stack trace and register dumps, but I am not all that familiar with the registers being displayed, their significance and meaning.
kernelnewbies.org (web, email, wiki, or irc) would be a good place
for such documentation....
and please use hard returns so that your lines are max 72 characters.
This (below) is all very x86 specific.
It helps (probably an understatement) to know how stacks grow,
how compilers generate code, how registers are used, etc.
| On Sun, 10 Aug 2003, war wrote:
|
| > Unable to handle kernel NULL pointer dereference at virtual address 00000000
Some code tried to reference address 0. There is nothing mapped
at address 0 on purpose, to catch errant code such as this.
| > printing eip:
| > c0131906
EIP is the (Extended) Instruction Pointer register, aka the next
instruction pointer. It points just beyond the current (faulting)
instruction.
| > *pde = 00000000
| > Oops: 0002
This value is the page fault error code: (from source code):
* error_code:
* bit 0 == 0 means no page found, 1 means protection fault
* bit 1 == 0 means read, 1 means write
* bit 2 == 0 means kernel, 1 means user-mode
| > CPU: 0
| > EIP: 0010:[<c0131906>] Not tainted
0010 is the CS register value (Code segment selector).
| > EFLAGS: 00010246
i386 EFlags register
| > eax: c0306a18 ebx: 00000000 ecx: c250fffc edx: 00000000
i386 general-purpose (GP) registers
| > esi: c250ffe0 edi: 0001328a ebp: c0306c40 esp: c2821f40
i386 index and stack registers
| > ds: 0018 es: 0018 ss: 0018
These are the other i386 segment/selector registers.
| > Process kswapd (pid: 5, stackpage=c2821000)
| > Stack: c2095dd0 000001d0 000001ff 000001d0 00000016 0000001f 000001d0 00000020
| > 00000006 c0131ca3 00000006 c0306b90 c0306c40 000001d0 00000006 c0306c40
| > 00000000 c0131d1e 00000020 c0306c40 00000002 c2820000 c0131e3c c0306c40
Kernel stack, beginning at top of stack.
| > Call Trace: [<c0131ca3>] [<c0131d1e>] [<c0131e3c>] [<c0131eb8>] [<c0131fe8>]
| > [<c0131f50>] [<c0105000>] [<c01057ae>] [<c0131f50>]
show_trace() tries to pick out kernel text addresses from the stack
and only print those addresses. Running this thru ksymoops
with a matching System.map file will decode these addresses into
kernel function names.
| > Code: 89 02 c7 01 00 00 00 00 89 50 04 a1 18 6a 30 c0 89 48 04 89
That was fairly straightforward. Did it help any?
--
~Randy