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Subject: Re: floating point exception
From: Christian Thalinger <e9625286@student.tuwien.ac.at>
To: Zwane Mwaikambo <zwane@linux.realnet.co.sz>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
        "Richard B. Johnson" <root@chaos.analogic.com>
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Date: 16 Jan 2002 12:55:55 +0100
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On Wed, 2002-01-16 at 06:45, Zwane Mwaikambo wrote:
> On 15 Jan 2002, Christian Thalinger wrote:
> 
> > Yes, it did happen that the segfault reoccured and there is nothing in
> > the dmesg. This was also my first thought, then checked
> > /var/log/messages with a tail and it stucked. No ctrl-c.
> 
> ctrl-alt-sysrq k? I'd just like to know wether your box hung completely.
> Could you also run the ver_linux script in linux_scripts so that we can
> get a better idea of your operating environment.
> 
> Cheers,
> 	Zwane Mwaikambo
> 
> 

What i got at my last exception (started the client in tty1):

Listened to an mp3 with mpg123. After the exception the mp3 got in the
_he_my_system_is_completely_locked loop. Couldn't kill the process.
System was respondable, console switching was ok. Changed to console to
tty2 where X was running - crtl-c - X went down -> console switching
wasn't possible anymore.

ctrl-alt-sysrq was responding but only with the line:

SysRq : Enmergency sync
SysRq : .... (tried also the other ones)

but nothing happend. No syncing, no unmount and showtasks. Right now i
noticed that showTasks, mem and pc do not give _any_ output, but syncing
works.

I'll do further testing when i'm back from work.

Gnu C                  3.0.3
Gnu make               3.79.1
util-linux             2.11m
mount                  2.11h
modutils               2.4.11
e2fsprogs              1.25
reiserfsprogs          3.x.0b
Linux C Library        2.2.4
Dynamic linker (ldd)   2.2.4
Linux C++ Library      3.0.2
Procps                 2.0.7
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               2.0.11
Modules Loaded         NVdriver sym53c8xx scsi_mod pwcx-i386 pwc rio500
usb-ohci
 usbcore w83781d eeprom i2c-proc i2c-amd756 i2c-isa binfmt_misc
binfmt_aout ospm
_processor ospm_system ospm_busmgr sercontrol lirc_i2c lirc_dev tuner
tvaudio ms
p3400 bttv videodev i2c-algo-bit i2c-core nfsd lockd sunrpc parport_pc
lp parpor
t via-rhine emu10k1 sound ac97_codec soundcore rtc


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