Re: Random lockups

[francis picabia]

The golden rule with random, that is, not reproducible by doing something,
is you are looking at a hardware problem, not an OS problem.

The way to diagnose the hardware is to replace with known
good parts until the problem is resolved.  Power supplies and motherboards
are common culprits.  Memory problem is usually identifiable with
some errors as clues, not lockups.


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Re: Random lockups

[Frank McCormick]

On 04/07/12 04:11 PM, Camaleón wrote:

On Wed, 04 Jul 2012 13:46:56 -0400, Frank McCormick wrote:


On 04/07/12 01:12 PM, Camaleón wrote:

On Tue, 03 Jul 2012 13:10:24 -0400, Frank McCormick wrote:


My desktop running Debian Sid just locked up for the 4th or 5th time
recently.





Can you still login from ssh? If so, X is crashing.



Yes, but nothing works





The kernel is fine - I **believe** it's X that is chasing its tail :)



 fbdev **seems** to run fine - except the mouse
cursor disappears at random.


Ugh. But the issue with the screen freeze and the yellow text is not
present with this driver, right?


  Didn't run it long enough to determine that.



Found it too annoying so went back to the Intel driver...and it hasn't
locked up yet today (crossed-fingers).


Maybe an update in the middle? :-?


  Nope...same driver


  I am running an Intel D865GBF board, and Intel on-board video.


That's an old motherboard, right? :-?



Yes, about 5 or 6 years old...but from prowling the net it seems
newer Intel boards aren't much better. I'd still like to hear advice on
the best/easiest video card to run. I ran Nvidia for a while but got
tired of constantly recompiling whenever a new kernel popped up. I'd
like something other than Nvidia.


nVidia would be my personal choice but true is that when using sid the
problem with the driver can be a headache because of the constant kernel
updates (unless you can use module assistant or can be happy with
nouveau, the open source driver).



  Maybe Nvidia is really the only choice...but this time I'll start off 
with Nouveau and see how it runs





Anyway, I wouldn't give up with your current system. If finally is X that
freezes, you can open a bug report or test with a different driver
version (either downgrade from the current one or try to get the lastest
from upstream sources).


  I have a look at upstream bugs.

   Thanks
--

Cheers
Frank



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Re: Random lockups

[Camaleón]

On Wed, 04 Jul 2012 13:46:56 -0400, Frank McCormick wrote:

> On 04/07/12 01:12 PM, Camaleón wrote:
>> On Tue, 03 Jul 2012 13:10:24 -0400, Frank McCormick wrote:
>>
>>> My desktop running Debian Sid just locked up for the 4th or 5th time
>>> recently.
>>>
>>>  There is nothing is the syslog...nothing in the xorg log. The
>>>  system
>>> just locks changing what's on the screen to yellow tinged text. It
>>> locks so tight that only a hard reset gets it back. Alt-SysReq does
>>> nothing.
>>
>> (...)
>>
>> Can you still login from ssh? If so, X is crashing.
> 
> 
>Yes, but nothing works

What do you mean by that? :-?

Sure you can't get a full-featured environment when login from remote but 
the fact the kernel is still "alive" (accepting logins, network up...) it 
points to a less severe problem (xserver-xorg?).
 
>> Also, if you can, try to load "vesa" or "fb" VGA driver instead
>> "intel", although with KMS in place I don't know if this is still
>> possible neither the steps to proceed.
> 
> 
> I have done that - fbdev **seems** to run fine - except the mouse
> cursor disappears at random. 

Ugh. But the issue with the screen freeze and the yellow text is not 
present with this driver, right?

> Found it too annoying so went back to the Intel driver...and it hasn't
> locked up yet today (crossed-fingers). 

Maybe an update in the middle? :-?

> The Vesa driver is next to useless as it really doesn't like doing
> anything more than  800x600.

Yes, I know, the plain VGA drivers are close to useless nowadays but they 
still serve for testing purposes like this situation :-)

>>>  I am running an Intel D865GBF board, and Intel on-board video.
>>
>> That's an old motherboard, right? :-?
> 
> 
>Yes, about 5 or 6 years old...but from prowling the net it seems
> newer Intel boards aren't much better. I'd still like to hear advice on
> the best/easiest video card to run. I ran Nvidia for a while but got
> tired of constantly recompiling whenever a new kernel popped up. I'd
> like something other than Nvidia.

nVidia would be my personal choice but true is that when using sid the 
problem with the driver can be a headache because of the constant kernel 
updates (unless you can use module assistant or can be happy with 
nouveau, the open source driver).

Other than nVidia there are ATI (which I don't like so much) and Matrox 
(but these cards are currently out of the 3D market and I don't know 
about their current linux support...).

Anyway, I wouldn't give up with your current system. If finally is X that 
freezes, you can open a bug report or test with a different driver 
version (either downgrade from the current one or try to get the lastest 
from upstream sources).

Greetings,

-- 
Camaleón


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Re: Random lockups

[Frank McCormick]

On 04/07/12 01:12 PM, Camaleón wrote:

On Tue, 03 Jul 2012 13:10:24 -0400, Frank McCormick wrote:


My desktop running Debian Sid just locked up for the 4th or 5th time
recently.

 There is nothing is the syslog...nothing in the xorg log. The system
just locks changing what's on the screen to yellow tinged text. It locks
so tight that only a hard reset gets it back. Alt-SysReq does nothing.


(...)

Can you still login from ssh? If so, X is crashing.



  Yes, but nothing works



Also, if you can, try to load "vesa" or "fb" VGA driver instead "intel",
although with KMS in place I don't know if this is still possible neither
the steps to proceed.



   I have done that - fbdev **seems** to run fine - except the mouse 
cursor disappears at random. Found it too annoying so went back to the 
Intel driver...and it hasn't locked up yet today (crossed-fingers). The 
Vesa driver is next to useless as it really doesn't like doing anything 
more than  800x600.



 I am running an Intel D865GBF board, and Intel on-board video.


That's an old motherboard, right? :-?



  Yes, about 5 or 6 years old...but from prowling the net it seems 
newer Intel boards aren't much better. I'd still like to hear advice on 
the best/easiest video card to run. I ran Nvidia for a while but got 
tired of constantly recompiling whenever a new kernel popped up. I'd 
like something other than Nvidia.






--
Cheers
Frank



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Re: Random lockups

[Camaleón]

On Tue, 03 Jul 2012 13:10:24 -0400, Frank McCormick wrote:

> My desktop running Debian Sid just locked up for the 4th or 5th time
> recently.
> 
> There is nothing is the syslog...nothing in the xorg log. The system
> just locks changing what's on the screen to yellow tinged text. It locks
> so tight that only a hard reset gets it back. Alt-SysReq does nothing.

(...)

Can you still login from ssh? If so, X is crashing.

Also, if you can, try to load "vesa" or "fb" VGA driver instead "intel", 
although with KMS in place I don't know if this is still possible neither 
the steps to proceed.

> I am running an Intel D865GBF board, and Intel on-board video.

That's an old motherboard, right? :-?

Greetings,

-- 
Camaleón


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Re: re Random lockups

[Frank McCormick]

On Tue, Jul 3, 2012 at 2:44 PM, Frank McCormick  wrote:
On 03/07/12 01:38 PM, Keith McKenzie wrote:



On 3 July 2012 18:10, Frank McCormick mailto:debianl...@videotron.ca>> wrote:



My desktop running Debian Sid just locked up for the 4th or 5th
 time recently.

 There is nothing is the syslog...nothing in the xorg log. The
 system just locks changing what's on the screen to yellow tinged text.
 It locks so tight that only a hard reset gets it back. Alt-SysReq
 does nothing.

 It will lockup at different places...reading mail, browsing the
 web, reading a manual etc etc

 I am running an Intel D865GBF board, and Intel on-board video.

 uname -a

 Linux sid.dummy.org  3.2.0-2-686-pae #1 SMP
 Mon Jun 11 18:27:04 UTC 2012 i686 GNU/Linux

 I have to use "processor.nocst=1" to allow this kernel to boot.

 I don't think it's kernel related as I have been running this kernel
 for a few months and the problem only started recently.

 I ran memtest86 for a couple of hours and it didn't show anything.

 Gkrellm was showing "normal temps" so neither the CPU nor the
 motherboard was overheated...voltages from what I remember were
normal.

 I am  stumped. Suggestions ??


 --
 Cheers
 Frank

I had been experiencing random browser lock ups (Squeeze), & it turned
out to be my /var was filling up.

Possibly something to check.


   They are not just browser lockups...they occur at other times as
well.

   Lots of room in /var.

   I suspect buggy  video drivers but don't have any hard evidence to file a
bug report

   Does anybody have suggestions for a video card which does not require all
sort of slight-of-hand and magic incantations like NVidia does ?


>>>
>>>
>>> On 03/07/12 05:48 PM, Dan Hitt wrote:> Hi Frank,
>>>
>>> If anybody replies privately, please repost to the list (or if you
>>> otherwise solve your problem).


   I did repost to the list - please don't top post.

>>> Video cards are reputed to be the cause of lots of the evil in
>>> the computer world, but i'm too uninformed to know.  However,
>>> i would really like to know how to debug the situation, including
>>> replacing the hardware if that's what the situation calls for.

  I would like to know that too - this Intel onboard video is a
PITA



--
Cheers
Frank



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re Random lockups

[Frank McCormick]

On 03/07/12 01:38 PM, Keith McKenzie wrote:



On 3 July 2012 18:10, Frank McCormick mailto:debianl...@videotron.ca>> wrote:



   My desktop running Debian Sid just locked up for the 4th or 5th
time recently.

There is nothing is the syslog...nothing in the xorg log. The
system just locks changing what's on the screen to yellow tinged text.
It locks so tight that only a hard reset gets it back. Alt-SysReq
does nothing.

It will lockup at different places...reading mail, browsing the
web, reading a manual etc etc

I am running an Intel D865GBF board, and Intel on-board video.

uname -a

Linux sid.dummy.org  3.2.0-2-686-pae #1 SMP
Mon Jun 11 18:27:04 UTC 2012 i686 GNU/Linux

I have to use "processor.nocst=1" to allow this kernel to boot.

I don't think it's kernel related as I have been running this kernel
for a few months and the problem only started recently.

I ran memtest86 for a couple of hours and it didn't show anything.

Gkrellm was showing "normal temps" so neither the CPU nor the
motherboard was overheated...voltages from what I remember were normal.

I am  stumped. Suggestions ??


--
Cheers
Frank

I had been experiencing random browser lock ups (Squeeze), & it turned
out to be my /var was filling up.

Possibly something to check.


  They are not just browser lockups...they occur at other times as
well.

  Lots of room in /var.

  I suspect buggy  video drivers but don't have any hard evidence to 
file a bug report


  Does anybody have suggestions for a video card which does not require 
all sort of slight-of-hand and magic incantations like NVidia does ?




--
Cheers
Frank



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Re: Random lockups

[Keith McKenzie]

On 3 July 2012 18:10, Frank McCormick  wrote:

>
>
>   My desktop running Debian Sid just locked up for the 4th or 5th time
> recently.
>
>There is nothing is the syslog...nothing in the xorg log. The system
> just locks changing what's on the screen to yellow tinged text.
> It locks so tight that only a hard reset gets it back. Alt-SysReq does
> nothing.
>
>It will lockup at different places...reading mail, browsing the web,
> reading a manual etc etc
>
>I am running an Intel D865GBF board, and Intel on-board video.
>
> uname -a
>
> Linux sid.dummy.org 3.2.0-2-686-pae #1 SMP Mon Jun 11 18:27:04 UTC 2012
> i686 GNU/Linux
>
> I have to use "processor.nocst=1" to allow this kernel to boot.
>
> I don't think it's kernel related as I have been running this kernel for a
> few months and the problem only started recently.
>
> I ran memtest86 for a couple of hours and it didn't show anything.
>
> Gkrellm was showing "normal temps" so neither the CPU nor the motherboard
> was overheated...voltages from what I remember were normal.
>
> I am  stumped. Suggestions ??
>
>
> --
> Cheers
> Frank
>
I had been experiencing random browser lock ups (Squeeze), & it turned out
to be my /var was filling up.

Possibly something to check.

-- 
Sent from FOSS (Free Open Source Software)
Debian GNU/Linux

Random lockups

[Frank McCormick]

  My desktop running Debian Sid just locked up for the 4th or 5th time 
recently.


   There is nothing is the syslog...nothing in the xorg log. The system 
just locks changing what's on the screen to yellow tinged text.
It locks so tight that only a hard reset gets it back. Alt-SysReq does 
nothing.


   It will lockup at different places...reading mail, browsing the web, 
reading a manual etc etc


   I am running an Intel D865GBF board, and Intel on-board video.

uname -a

Linux sid.dummy.org 3.2.0-2-686-pae #1 SMP Mon Jun 11 18:27:04 UTC 2012 
i686 GNU/Linux


I have to use "processor.nocst=1" to allow this kernel to boot.

I don't think it's kernel related as I have been running this kernel for 
a few months and the problem only started recently.


I ran memtest86 for a couple of hours and it didn't show anything.

Gkrellm was showing "normal temps" so neither the CPU nor the 
motherboard was overheated...voltages from what I remember were normal.


I am  stumped. Suggestions ??


--
Cheers
Frank


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Re: Random Lockups w/ caps lock, scroll lock

[Matt McMinn]

David Fokkema wrote:
On Tue, 2003-10-14 at 08:44, Matt McMinn wrote:

I've started to experience "random" lockups with my debian system.  It seems to be similar to this problem in Suse:

http://lists.suse.com/archive/suse-linux-e/2002-Dec/0623.html

I tried that barrier=none remedy, and on reboot, the drive didn't mount, with an "unknown option" error.

So what's happening to my machine is after a while - I've seen it anywhere from 5 minutes to a few days - it locks up *hard*, and for some reason the Caps lock and Scroll Lock lights on the keyboard turn on. No X, no sshd, nothing, so I can't get in from another box to see what's going on.  I haven't seen anything in the syslog either.  I had a slightly older debian system on here a while back that I had to wipe that was rock solid, so it must be a config problem somewhere.  Any ideas?


Maybe try another kernel? Older, newer...

If you want some sane responses, tell us some more about your hardware,
kernel and X versions, filesystems, etc.
Good luck,
David
I must have been tired to forget all that stuff... Kernel 2.4.21, although I'll be going to 2.4.22 in the next few days, so that may help.  Compaq Presario 2105us, X 4.3, KDE 3.1.

Thanks

M

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Re: Random Lockups w/ caps lock, scroll lock

[David Fokkema]

On Tue, 2003-10-14 at 08:44, Matt McMinn wrote:
> I've started to experience "random" lockups with my debian system.  It seems to be 
> similar to this problem in Suse:
> 
> http://lists.suse.com/archive/suse-linux-e/2002-Dec/0623.html
> 
> I tried that barrier=none remedy, and on reboot, the drive didn't mount, with an 
> "unknown option" error.
> 
> So what's happening to my machine is after a while - I've seen it anywhere from 5 
> minutes to a few days - it locks up *hard*, and for some reason the Caps lock and 
> Scroll Lock lights on the keyboard turn on. No X, no sshd, nothing, so I can't get 
> in from another box to see what's going on.  I haven't seen anything in the syslog 
> either.  I had a slightly older debian system on here a while back that I had to 
> wipe that was rock solid, so it must be a config problem somewhere.  Any ideas?

Maybe try another kernel? Older, newer...

If you want some sane responses, tell us some more about your hardware,
kernel and X versions, filesystems, etc.

Good luck,
David

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Random Lockups w/ caps lock, scroll lock

[Matt McMinn]

I've started to experience "random" lockups with my debian system.  It seems to be similar to this problem in Suse:

http://lists.suse.com/archive/suse-linux-e/2002-Dec/0623.html

I tried that barrier=none remedy, and on reboot, the drive didn't mount, with an "unknown option" error.

So what's happening to my machine is after a while - I've seen it anywhere from 5 minutes to a few days - it locks up *hard*, and for some reason the Caps lock and Scroll Lock lights on the keyboard turn on. No X, no sshd, nothing, so I can't get in from another box to see what's going on.  I haven't seen anything in the syslog either.  I had a slightly older debian system on here a while back that I had to wipe that was rock solid, so it must be a config problem somewhere.  Any ideas?

Thanks

Matt

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Re: Random lockups using woody/sid (cron related?)

[Rob Weir]

On Wed, Jan 08, 2003 at 11:43:20AM -0500, Jason Ruiter wrote:
> Greetings,
> 
> I've been having a strange problem with a machine running a combination
> of woody and sid (mostly woody with some sid packages).  Every morning,
> around 06:00, the machine locks.  X locks, I can't get a console with
> control-alt-f1, I can't ssh in.  I *can* ping the machine in question.
> 
> Since this seems to be a periodic event, I suspected the daily cron
> jobs.  I ran each job individually, and was not able to duplicate the
> problem.
> 
> I have 5 other machines with identical hardware running the same kernel
> image on woody that don't exhibit the problem.
> 
> Is anyone else having these period lockups (usually once per day).
> 
> My next step is to downgrade the problem machine to woody and see what
> happens.
> 
> 
> Details:
> 
> SuperMicro Dual P4 Xeon 2.4 Ghz, 1GB RAM, 18GB SCSI drives.
> 2.4.19 openMosix kernel.  (Yeah, I suspected this, but the identical
> kernel runs fine on 5 other machines with identical hardware running 
> woody)

Woah...maybe it's a heat thing?  A whole bunch of cron jobs fire off
around 6am, which could cause the temperature to rise enough to cause
trouble...

-rob



msg23828/pgp0.pgp
Description: PGP signature

Random lockups using woody/sid (cron related?)

[Jason Ruiter]

Greetings,

I've been having a strange problem with a machine running a combination
of woody and sid (mostly woody with some sid packages).  Every morning,
around 06:00, the machine locks.  X locks, I can't get a console with
control-alt-f1, I can't ssh in.  I *can* ping the machine in question.

Since this seems to be a periodic event, I suspected the daily cron
jobs.  I ran each job individually, and was not able to duplicate the
problem.

I have 5 other machines with identical hardware running the same kernel
image on woody that don't exhibit the problem.

Is anyone else having these period lockups (usually once per day).

My next step is to downgrade the problem machine to woody and see what
happens.


Details:

SuperMicro Dual P4 Xeon 2.4 Ghz, 1GB RAM, 18GB SCSI drives.
2.4.19 openMosix kernel.  (Yeah, I suspected this, but the identical
kernel runs fine on 5 other machines with identical hardware running 
woody)


Any help appreciated.

Thanks
Jason


-- 
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Research Computer Engineer, Emerging Technologies Group
Altarum Institute
PO BOX 134001, Ann Arbor, Michigan  48113
(v)734.302.4724 (m)734.476.8299 (f)734.302.4991
[EMAIL PROTECTED]


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