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Message-ID: <4ADDED0F.6090307@the2masters.de>
Date: Tue, 20 Oct 2009 19:02:07 +0200
From: Stefan Hellermann <stefan@the2masters.de>
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To: Eric des Courtis <eric.des.courtis@gmail.com>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>, william <william@waisse.org>,
       linux-kernel@vger.kernel.org
Subject: Re: strange freeze with VIA C7 dedicated server and libc 2.6.1
References: <2ffbcf00806232001o4bd314f4kc590e43b4ab27076@mail.gmail.com>	 <20080624102129.19d79eb0@lxorguk.ukuu.org.uk>	 <2ffbcf00806241405w5b757b56p84cd560166ea8f90@mail.gmail.com>	 <20080624222859.1e12dc2d@lxorguk.ukuu.org.uk>	 <1214411771.2793.22.camel@hel-stefan.lan> <539da8a30910200644r681404b5vdde2a9c033fcdce5@mail.gmail.com>
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Hi,

for me the problems are gone. Hardware stayed the same, but I installed
updates for many packages. Currently I'm running vanilla-2.6.31 compiled
with gcc-4.3.2 and a libc from gentoo, glibc-2.9_p20081201-r2.

Cheers
Stefan Hellermann

Am 20.10.2009 15:44, schrieb Eric des Courtis:
> Hi,
> 
> I have the same problem but I do have a stack trace. I did run crashme
> with +2000 666 100 1:00:00 but it seems to work fine.  Random
> application will crash in the sys_open() call. If I am in X the system
> sometimes freezes completely.
> 
> 
> Anyway this is the stack trace:
> 
> [ 2074.794366] invalid opcode: 0000 [#1] SMP
> [ 2074.804264] last sysfs file:
> /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/resource
> [ 2074.804264] Dumping ftrace buffer:
> [ 2074.804264]    (ftrace buffer empty)
> [ 2074.804264] Modules linked in: via drm lp parport viafb
> i2c_algo_bit snd_via82xx gameport snd_ac97_codec ac97_bus snd_pcm_oss
> snd_mixer_oss snd_pcm snd_page_alloc snd_mpu401_uart snd_seq_dummy
> snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq
> snd_timer snd_seq_device pcspkr snd lirc_imon i2c_viapro soundcore
> lirc_dev via_agp agpgart shpchp usbhid via_rhine 3c59x mii vesafb
> fbcon tileblit font bitblit softcursor
> [ 2074.804264]
> [ 2074.804264] Pid: 2635, comm: lcdproc Not tainted (2.6.28-15-server
> #52-Ubuntu) ID-PCM7E PC2500
> [ 2074.804264] EIP: 0060:[<c01d1041>] EFLAGS: 00010202 CPU: 0
> [ 2074.804264] EIP is at path_lookup_open+0x31/0xa0
> [ 2074.804264] EAX: 00000001 EBX: 00000101 ECX: 00000000 EDX: f5dca5b0
> [ 2074.804264] ESI: ffffffe9 EDI: f5c8bf04 EBP: f5c8bec0 ESP: f5c8bea8
> [ 2074.804264]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
> [ 2074.804264] Process lcdproc (pid: 2635, ti=f5c8a000 task=f5dca5b0
> task.ti=f5c8a000)
> [ 2074.804264] Stack:
> [ 2074.804264]  00000001 e84f2000 ffffff9c ffffff9c 00000001 f5c8bf04
> f5c8bf70 c01d1d23
> [ 2074.804264]  f5c8bf04 00000001 00000000 f5c8bf04 f64d3000 00000000
> e84f2000 00000000
> [ 2074.804264]  00000024 ffffffff 00000000 00000000 00000000 00000000
> 00000000 f5dca5b0
> [ 2074.804264] Call Trace:
> [ 2074.804264]  [<c01d1d23>] ? do_filp_open+0xb3/0x7c0
> [ 2074.804264]  [<c01569e0>] ? autoremove_wake_function+0x0/0x50
> [ 2074.804264]  [<c01daed0>] ? alloc_fd+0xe0/0x100
> [ 2074.804264]  [<c01c47bf>] ? do_sys_open+0x5f/0x120
> [ 2074.804264]  [<c01c48e9>] ? sys_open+0x29/0x40
> [ 2074.804264]  [<c0109eef>] ? sysenter_do_call+0x12/0x2f
> [ 2074.804264] Code: 89 5d f4 89 cb 89 75 f8 be e9 ff ff ff 89 7d fc
> 8b 7d 08 89 45 f0 89 55 ec e8 3c 68 ff ff 85 c0 74 33 89 47 4c 8b 45
> 0c 80 cf 01 <c7> 47 48 00 00 00 00 89 d9 89 47 44 8b 55 ec 8b 45 f0 89
> 3c 24
> [ 2074.804264] EIP: [<c01d1041>] path_lookup_open+0x31/0xa0 SS:ESP 0068:f5c8bea8
> [ 2075.261958] ---[ end trace 59aabadb5240aad2 ]---
> 
> And much later (could be unrelated):
> 
> [ 2830.975240] lcdproc[9430]: segfault at 1bfef35 ip b7f9e05a sp
> bfef2175 error 4 in libc-2.9.so[b7f67000+15c000]
> [ 2830.984939] klogd[2111]: segfault at 4 ip b7e1e05a sp bfb6d2b1
> error 4 in libc-2.9.so[b7de7000+15c000]
> 
> 
> Cheers,
> 
> Eric des Courtis
> 
> On Wed, Jun 25, 2008 at 12:36 PM, Stefan Hellermann
> <stefan@the2masters.de> wrote:
>> Am Dienstag, den 24.06.2008, 22:28 +0100 schrieb Alan Cox:
>>>> * the watchdog says nothing in the logs, but is able to reboot the box.
>>>>
>>>>  Thank you very much for your answer Alan, I were hesitating on
>>>> posting a report with no logs, no clues . . . your answer gives me a
>>>> little hope ;)
>>>
>>> Two random thoughts from your last comment
>>>
>>> - If you do
>>>
>>> echo "2" >/proc/sys/vm/overcommit_memory
>>> echo "80" >/proc/sys/vm/overcommit_ratio
>>>
>>> do you instead get out of memory kills (which would imply bad memory
>>> leaks perhaps triggered by glibc ?)
>>>
>>> - Does your system pass 'crashme' testing (run as a non root user). If
>>> not then that might give an eventual identification of a crashme run
>>> which takes out the box. We've found kernel bugs, CPU bugs and
>>> combinations of the two before now that way.
>>
>> Hi!
>>
>> I've got the same problem with a VIA Epia SN-1800, Gentoo and
>> glibc-2.6.1. First I had crashes every day, but these came from
>> madwifi-ng. Now with vanilla-2.6.25.6 and no modules it's crashing about
>> every 3 weeks with no log I can provide. I have a serial console
>> connected to it, but I have no other device running 24h to collect the
>> crash.
>> I tried glibc-2.7, but with this powerdns-resolver isn't working any
>> more, and I don't think the problems are gone (only one crash so far).
>> It's not easy to downgrade glibc on gentoo, but I could try
>> vanilla-glibc-2.5 if this would help.
>> I have no big crontab, only a script with rotates logs and makewhatis.
>>
>> Where can I find 'crashme'? Is it a tool I can download?
>>
>> It's a small home-server carrying my mails and webspace, so I can do a
>> bit testing, but I don't like large downtime :-)
>>
>> --
>> Kind Regards
>> Stefan Hellermann
>>
>> --
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> 
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