Re: Kernel 2.4.21 Crashing (fwd)

[Bernd Schubert <bernd-schubert@web.de>]

Hello,

still looks like a memory error. How long did memtest86 run? We have some 
boards were memtest86 also finds no errors, but suddenly after an uptime of 
about 2 weeks, the ecc-module, detects single and multible bit errors. Any 
chance you use ecc-memory and monitor whats happens  when you copy the data?
We think we solved this problem by simply adjusting the CAS-latency-bios 
setting to a higher value.

Can you give more details about your hardware? 
E.g. our boards with serverworks-chipset had also had similar problems - 
solved with the last bios-update.

Did you try to disable all non-needed, speed-, highmemory- and agp-modules in 
your kernel configuration?

You might see that our group also rather often has related problems, so I just 
gave some hints based on my experience with such problems ;-)

Best regards,
	Bernd

On Monday 11 August 2003 14:56, war wrote:
> Yes, I've run memtest86, it shows no errors.
>
> On Mon, 11 Aug 2003, Bernd Schubert wrote:
> > Hi,
> >
> > just as usual, ever performed a memtest86-check? (all tests should be
> > enabled)
> >
> > Regards,
> > 	Bernd
> >
> > On Monday 11 August 2003 03:13, war wrote:
> > > Has anyone else had a similiar problem?
> > > Please cc me as I am not on the list.
> > >
> > > (These errors happen when I am transferring > 10GB files repeatedly
> > > over NFS)
> > >
> > >
> > > ---------- Forwarded message ----------
> > > Date: Sun, 10 Aug 2003 21:09:06 -0400 (EDT)
> > > From: war <war@lucidpixels.com>
> > > To: linux-kernel@vger.kernel.org
> > > Cc: kernelnewbies@nl.linux.org
> > > Subject: Kernel 2.4.21 Crashing
> > >
> > > 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
> > >
> > >
> > >
> > >
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