Re: [SLUG] Random System Freezes -- NOT SOLVED (grrrr)

2003-08-14 Thread Gonzalo Servat
The first word that comes to mind is rage.

I left my machine alone for a while and when I came back I tried to move 
the mouse. The pointer would not move. I look at the clock, the clock did 
not increase count. I look down at the case, the hard disk activity light 
is permanently on. Oh no, the freezes are back.
As usual, nothing in the logs to give me a clue of where the problem is.

It did last the entire weekend (since I last posted a SOLVED email to 
Slug (that should teach me for posting too early)) but it's back.

Any other suggestions? It has one other defect where you sometimes have to 
press the reset button a number of times before you actually get video 
output which leads me to believe maybe it is the motherboard.

Thanks guys. Sorry about the hassle.

Regards,
Gonzalo
On 9/08/2003 7:24 PM +1000, Kevin Saenz wrote:

Hi All,

Thanks very much to everyone who had their input on my problem. The
problem was indeed the power supply. It's been running for 1 day and 6
hours so far without a crash so I'm pretty certain (touch wood) that it's
fixed.
I learnt a few things from this problem:

1. It's not good to be a tight arse when it comes to hardware. Instead of
buying a 400W PSU, I went for the 320W because it was cheaper and I
thought it should be plenty. So what happened was I had to return the
320W but of course after a week you can't take it back (refund policy) so
I now have a 400W and a 320W... and you know where I can stick the 320W?
Good thing I had a box with a missing PSU so it's not such a waste.
2. The amazing effect a PSU without enough power can have on a system.
It's scary to think that if nobody mentioned it could be the PSU I would
have never figured it out. I wonder how somebody came to the conclusion
that it's the PSU.
3. Athlons (in combination with this GA-7N400-L1 mobo) love power.

I think that's about it. :) Again, thanks to all that replied. Lookout
uptime, I'm back!
Regards,
Gonzalo


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RE: [SLUG] Random System Freezes

2003-08-14 Thread Jon Biddell
-= On Thu, Aug 07, 2003 at 11:55:59AM +1000, Terry Collins wrote:
-=  Think sick building syndrome. Basically, new 
-= office/office works and 
-=  factories produce lots of fumes that can deposit on 
-= nice new shiny 
-=  pins and provide an insulating layer of gunk that causes 
-= intermittent 
-=  problem.
-= 
-= This reminds me of a story (urban legend?) that I heard 
-= from around here at UNSW.
-= 
-= Someone else probably has the full story (pchubb?), but the 
-= gist of it is that there were a lot of single bit errors on 
-= one of the old machines that seemed to appear for no 
-= reason.  All manner of part swapping was done without success.
-= 
-= UNSW is in close proximity to Sydney airport, and after a 
-= lot of head scratching it turned out that this was being 
-= caused by the air traffic control radar sweeping past the 
-= machine and inducing errors ... so kind of a sick building syndrome.
-= 
-= The moral of the story is to always check for high 
-= intensity radar in the surrounding area when diagnosing problems ;)


Most definitely NOT an Urban Ledgend - I was studying there when the
Faraday Cage was installed around the server room on top of the
Tower.

Made mobile phone reception a real bitch when I worked there in the
early 90's...

Jon

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Re: [SLUG] Random System Freezes

2003-08-14 Thread Mary
On Thu, Aug 07, 2003, Gonzalo Servat wrote:
   I'm experiencing complete (and random) system freezes every day or 
   two. I've not found a pattern yet, it happens at random. System specs as 
 follows:
 
 Athlon 1800+ CPU
 256MB DDR
 Matrox G400 Dualhead
 2 x HDD
 2 x SCSI CDROM
 1 x FDD

Two random things that have caused freezes for me:

 - RAM speed being slower than the front bus speed

 - using the Red Hat provided eepro100 driver for my network card rather
   than the Intel e100 driver. Switching to the e100 driver stopped the
   crashes.

The latter should be easy to pick though -- freezes will occur during
network activity (a CVS checkin of 1000 files was a 100% reliable
trigger).

-Mary
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Re: [SLUG] Random System Freezes

2003-08-14 Thread John Clarke
On Fri, Aug 08, 2003 at 10:35:15AM +1000, Gonzalo Servat wrote:

 At the moment it's sitting on -29C (so it says anyway)

I don't believe that.  I'd expect it to be more like +35C to +45C. 
Mine (2GHz P4) is normally +40C, rising two or three degrees when under
load.


Cheers,

John
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Re: [SLUG] Random System Freezes

2003-08-14 Thread Gonzalo Servat
On 7/08/2003 10:44 AM +1000, John McQuillen wrote:

It's a Gigabyte GA-7N400-L1

Your motherboard uses the NForce2 chipset, support for which, I believe,
is best gained from the NVIDIA binary drivers available here:
http://www.nvidia.com/object/linux.html
I hope this helps,
Thanks John. The drivers provided by nVidia are for the onboard ethernet 
(which I'm already using) and for the onboard audio.

Best regards,
Gonzalo
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Re: [SLUG] Random System Freezes -- NOT SOLVED (grrrr)

2003-08-14 Thread DE LUCA Ben
Um but back to the orignal problem :)

I was just reading some thing and i wonder if it might be a similar
problem. Would it be ok if you put a sync in roots cron to run every
hour.

if itr fixes it i have a link for you!




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Re: [SLUG] Random System Freezes

2003-08-14 Thread Gonzalo Servat
On 8/08/2003 9:59 AM +1000, John Clarke wrote:

Power supply.  I had a system which would randomly fall over with no
apparent cause.  I replaced the RAM, video and network cards,
motherboard and CPU but nothing changed.  Then one day, it wouldn't
power up so I replaced the power supply and it's run perfectly ever
since.
This is the first thing I changed. I went out and bought a 320W PSU. It ran 
without a freeze for a few days but then it started the daily freezes again.

Best regards,
Gonzalo
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Re: [SLUG] Random System Freezes -- SOLVED (so far so good)

2003-08-14 Thread Gonzalo Servat
Hi All,

	Thanks very much to everyone who had their input on my problem. The 
problem was indeed the power supply. It's been running for 1 day and 6 
hours so far without a crash so I'm pretty certain (touch wood) that it's 
fixed.

I learnt a few things from this problem:

1. It's not good to be a tight arse when it comes to hardware. Instead of 
buying a 400W PSU, I went for the 320W because it was cheaper and I thought 
it should be plenty. So what happened was I had to return the 320W but of 
course after a week you can't take it back (refund policy) so I now have a 
400W and a 320W... and you know where I can stick the 320W? Good thing I 
had a box with a missing PSU so it's not such a waste.

2. The amazing effect a PSU without enough power can have on a system. It's 
scary to think that if nobody mentioned it could be the PSU I would have 
never figured it out. I wonder how somebody came to the conclusion that 
it's the PSU.

3. Athlons (in combination with this GA-7N400-L1 mobo) love power.

I think that's about it. :) Again, thanks to all that replied. Lookout 
uptime, I'm back!

Regards,
Gonzalo
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Re: [SLUG] Random System Freezes

2003-08-14 Thread Kevin Saenz

 Lower temp limit is +20C and max is +60C so you could be right. At the 
 moment it's sitting on -29C (so it says anyway).. but it's not freezing, 
 yet.. I had another freeze this morning.. ggr!
What cooling system do you have? It's even colder than
ambient temperature. 


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Re: [SLUG] Random System Freezes -- NOT SOLVED (grrrr)

2003-08-14 Thread Matt M
It's worth noting that not all power supplies supply the wattage they are 
rated for. There has been a fair amount of debate about this in 
hardware/overclocking circles lately. The consensus is that basically only 
the Antec TruePower series is really good at supplying the right wattage, 
cleanly (really important for Athlons).

So just because your PSU is rated for 400w doesn't mean it's supplying it. 
Pay particular attention to the current ratings. A regular Athlon, as I 
understand it, draws it's power off of the +5V rail, and can draw anything 
up to about 37A (!). Specifications for your chip are available on AMD's site.

It just goes to show that you're better off buying a really good, name 
brand PSU. Aopen's are ok, I think, but the best are Antec and Enermax, as 
I understand it. Both of which possibly aren't available from your average 
corner store, but are online (I use eyo.com.au and computermarket.com.au). 
These aren't cheap (A top-of-the-line Antec is about $210)

HTH,

Matt

At 16:13 11/08/2003, Jeff Waugh wrote:
quote who=Jamie Wilkinson

 This one time, at band camp, Gonzalo Servat wrote:
  Any other suggestions? It has one other defect where you sometimes have
  to press the reset button a number of times before you actually get
  video output which leads me to believe maybe it is the motherboard.

 It could be that a 400W psu still doesn't cut it.  You may actually need a
 600W psu.
Wow. I'm running a dual-Athlon on 400W; 2 disks, DVD, three or four PCI
cards. It was very unhappy on 350W, but hasn't missed a beat due to power
issues with 400W (though it's not incredibly robust when there's a flicker).
I'd be looking at the motherboard too, annoying as it is. :-|

- Jeff

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Re: [SLUG] Random System Freezes

2003-08-14 Thread Mark Paine

 On 7/08/2003 7:21 PM +1000, Ben Donohue wrote:

 Hi Gonzalo,
 Try removing everything that is *not* absolutely needed in the
 computer. Ie all the cards that are not needed. Could be one of those
 causing the problem. Remove *one* of the memory chips if possible and
 leave the other in. then change it over. some systems will allow this.
 remove CDROM temporarily if not needed etc. Also unplug/replug in
 everything a few times as mentioned in another post. check that there
 are no bent pins on devices too. swap keyboard and mouse, monitor if
 things start to get desperate. I've had them cause computer hiccups in
 the past. take an image of the machine that you can restore later with
 imaging software and install the operating system again. if it falls
 over again it's most likely hardware... perhaps... you know... try
 different stuff...

 I'm going to try the SCSI card next, although unlikely to be causing any
  problems.

 Unfortunately it's one 256MB DDR stick so I can't remove half as you
 suggested.

 What I'm going to try after removing the SCSI card is running Knoppix on
 it  for a few days just to be absolutely certain that it's not the OS.

 Thanks to all who replied and keep the suggestions coming :)

Had my linux server not starting up (after a history of disk errors and
other weird happenings) It got to the point where it would not even do
a POST.  Unplugged everything (and that included the power cables for the
HDs and FDD etc), unplugged video (POST will generate an error on this),
and even memory and the server would still not powerup.  A friend finally
suggested the PSU.  Cleaned the dust out of it, and the system now works.

Now in your case, you appear to have already replaced the PSU, so kinda
shoots that theory down. However, a thought here, check the mounting of
the motherboard to ensure that things are not shorting out.  Both on the
topside, and the underside.  You just did an upgrade on it didn't you?
Over time the board can heat up, flex a little and short something out
causing the system to lock.  Check for dust and other stuff that might
have accumulated under the motherboard as well.

The other thing to be careful with lm-sensors is that it actually only
polls the sensors at a minimum of 30secs or something.  So if you poll
every 10 seconds, it does not actually go and get a new set of readings,
but uses the ones that it had already collected.  Not sure where I read
that though. So, it may or may not actually show the temperature that you
think it is

Mark P.
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Re: [SLUG] Random System Freezes

2003-08-14 Thread David


On Fri, 8 Aug 2003, Gonzalo Servat wrote:

 On 7/08/2003 9:40 PM +1000, Patrick Lesslie wrote:

  I have a very similar system, (Athlon 1800+, Matrox G550 dualhead)
  and apparently the same problem.  I have heard that Athlons like this
  suffer from overheating, so I assumed it was that.
 
  It freezes sometimes when there is a lot of system activity, so I put
  in more fans.  While it hasn't helped much, I haven't ruled out
  overheating.
 
  But I've never tried ACPI modules.  It sounds good to me 

 I've tried removing the G400 too just incase it was the video card
 overheating (I replaced it with a PCI S3) but it froze too (rather quickly
 I might add). I also ran lm-sensors overnight and left it as sticky on my
 desktop and on the upper layer, so that if it freezes I'll see what
 temperature it last recorded. It was 0C degrees when it crashed last night.
   ^^

zero centigrade? no wonder it froze! (sorry... I couldn't resist)

On a more serious note, isn't there a lower temp limit as well as a high
one? Where I live, low temperatures are never a problem, and I've never
heard of machines dying from low temps., but presumably it's possible.

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Re: [SLUG] Random System Freezes

2003-08-14 Thread Gonzalo Servat
On 7/08/2003 10:29 AM +1000, Terry Collins wrote:

Gonzalo Servat wrote:

FWIW, the system is running Gentoo kernel 2.4.19,
dons asbestos suit {:-) that is obviously your problem. One of your
libaries needs a recompile /asbestos suit
:-)

Did you say new CPU  mobo?
But you didn't list your mobo.
It's a Gigabyte GA-7N400-L1

HW freeze up problem solving 101.

(a)The easy 1 on 1 method.

Replace each and every hardware item one at a time for a period, say 24
hours (a week sounds better in your case since it only happens once a
day), until you replace the item that is broke = your system no longer
has that fault.
Yeah, but as I said it only started happening after the upgrade to a new 
mobo/CPU/RAM. What I should do is stick the old motherboard back in for a 
week and see if happens again. If it doesn't, at least I'll know it's 
something in the new combo.

Have you done the basic cable/chip wiggle test? (remove+replace),3, *
every cable and chip[1].
Sorry Terry, I don't follow this (remove+replace),3,* process?

Checked error/message logs?. A faulty CD drive/HD on the way out can do
this (timeout messages)
Sure did. Absolutely nothing that would indicate a fault in the logs.

Regards,
Gonzalo
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Re: [SLUG] Random System Freezes -- NOT SOLVED (grrr

2003-08-14 Thread Gerald Catling
On Monday 11 August 2003 16:13, Jeff Waugh wrote:
 quote who=Jamie Wilkinson

  This one time, at band camp, Gonzalo Servat wrote:
   Any other suggestions? It has one other defect where you sometimes have
   to press the reset button a number of times before you actually get
   video output which leads me to believe maybe it is the motherboard.
 
  It could be that a 400W psu still doesn't cut it.  You may actually need
  a 600W psu.

 Wow. I'm running a dual-Athlon on 400W; 2 disks, DVD, three or four PCI
 cards. It was very unhappy on 350W, but hasn't missed a beat due to power
 issues with 400W (though it's not incredibly robust when there's a
 flicker).

 I'd be looking at the motherboard too, annoying as it is. :-|

 - Jeff

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I Am Running  a dual 1.2GHz Athlon system wirh 3 ultra 160 10,000rmp scsi 
drives + a burner and dvd +1 80GB ide ata100 drive on a 450W power supply.
The boaed is a Tyan.
With less hard drives  this supply should work fine. however,  with only 2 
*10K drives and the burner+dvd i was working fine with 300W.

It does look as though either cabling or motherboard has a problem.

I have an athlon 2.2+ system with 5 devices (drives) on a 300W psu.
 makes one think about cables and/or motherboard again

Gerald



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Re: [SLUG] Random System Freezes -- NOT SOLVED (grrrr)

2003-08-14 Thread Jeff Waugh
quote who=Jamie Wilkinson

 This one time, at band camp, Gonzalo Servat wrote:
  Any other suggestions? It has one other defect where you sometimes have
  to press the reset button a number of times before you actually get
  video output which leads me to believe maybe it is the motherboard.
 
 It could be that a 400W psu still doesn't cut it.  You may actually need a
 600W psu.

Wow. I'm running a dual-Athlon on 400W; 2 disks, DVD, three or four PCI
cards. It was very unhappy on 350W, but hasn't missed a beat due to power
issues with 400W (though it's not incredibly robust when there's a flicker).

I'd be looking at the motherboard too, annoying as it is. :-|

- Jeff

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Re: [SLUG] Random System Freezes

2003-08-14 Thread Gonzalo Servat
On 7/08/2003 9:40 PM +1000, Patrick Lesslie wrote:

I have a very similar system, (Athlon 1800+, Matrox G550 dualhead)
and apparently the same problem.  I have heard that Athlons like this
suffer from overheating, so I assumed it was that.
It freezes sometimes when there is a lot of system activity, so I put
in more fans.  While it hasn't helped much, I haven't ruled out
overheating.
But I've never tried ACPI modules.  It sounds good to me 
I've tried removing the G400 too just incase it was the video card 
overheating (I replaced it with a PCI S3) but it froze too (rather quickly 
I might add). I also ran lm-sensors overnight and left it as sticky on my 
desktop and on the upper layer, so that if it freezes I'll see what 
temperature it last recorded. It was 0C degrees when it crashed last night.

I've had acpid running with the relevant ACPI modules installed for 
processor, system, etc since last night but it still froze overnight.

As I said in a previous email, I'm downloading Knoppix now to try and rule 
out whether it could be the OS doing it. As you can see, I'm going to all 
lengths to stop this annoyance :)

Best regards,
Gonzalo
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Re: [SLUG] Random System Freezes

2003-08-14 Thread Terry Collins
Gonzalo Servat wrote:

  Have you done the basic cable/chip wiggle test? (remove+replace),3, *
  every cable and chip[1].
 
 Sorry Terry, I don't follow this (remove+replace),3,* process?

You take cable, remove from pins, replace cable on pins, and repeat this
process three times. Do this with all your socketed chips on the
motherboard as well (if you need to)

15 years ago I was told I was a nut case for thinking this would fix a
faulty computer, but I kept on fixing them this way. Think sick
building syndrome. Basically, new office/office works and factories
produce lots of fumes that can deposit on nice new shiny pins and
provide an insulating layer of gunk that causes intermittent problem.

Your mobo is new. It has basically come from a factory full of all sorts
of fumes.

You will also see this trouble in old computers as well, or any computer
in an office that has been newly fitted out, or even painted.


  Checked error/message logs?. A faulty CD drive/HD on the way out can do
  this (timeout messages)
 
 Sure did. Absolutely nothing that would indicate a fault in the logs.

Well that is good news then.
Well, maybe not so good news. HW faults usually have a definite fix.

Software, like drivers can be messy and you basically have to swap
out/deactivate bits and try different drivers until you work it out.

Try a google on your motherboard and pray that someone else has already
solved it {:-)


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Re: [SLUG] Random System Freezes -- NOT SOLVED (grrrr)

2003-08-11 Thread Graham Smith
On Mon, 11 Aug 2003 15:59, Jamie Wilkinson wrote:
 This one time, at band camp, Gonzalo Servat wrote:
 Any other suggestions? It has one other defect where you sometimes have to
 press the reset button a number of times before you actually get video
 output which leads me to believe maybe it is the motherboard.

 It could be that a 400W psu still doesn't cut it.  You may actually need a
 600W psu.

 I have an athlon system that has trouble booting up when it's been powered
 off for a while, though I can't remember the wattage I'm pretty sure it's
 about 400W.


Sorry I haven't been watching this thread but a lot of the random freezes I've 
seen are either caused by ACPI or faulty ram. 

It might be advisiable to turn off acpi on boot and see if the problems stop.

For a memory testing see http://www.memtest86.com/
I would suggest that you let it run for quite a while to see if finds any 
problems.


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Re: [SLUG] Random System Freezes -- NOT SOLVED (grrrr)

2003-08-11 Thread Jamie Wilkinson
This one time, at band camp, Gonzalo Servat wrote:
Any other suggestions? It has one other defect where you sometimes have to 
press the reset button a number of times before you actually get video 
output which leads me to believe maybe it is the motherboard.

It could be that a 400W psu still doesn't cut it.  You may actually need a
600W psu.

I have an athlon system that has trouble booting up when it's been powered
off for a while, though I can't remember the wattage I'm pretty sure it's
about 400W.

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RE: [SLUG] Random System Freezes -- SOLVED (so far so good)

2003-08-10 Thread Jon Biddell
-=400W and a 320W... and you know where I can stick the 320W? 

Not a wise thing to ask on this list, my friend !!!...:-)


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Re: [SLUG] Random System Freezes

2003-08-10 Thread John McQuillen
On Thu, 2003-08-07 at 10:38, Gonzalo Servat wrote:
 On 7/08/2003 10:29 AM +1000, Terry Collins wrote:
 
  Gonzalo Servat wrote:

  Did you say new CPU  mobo?
  But you didn't list your mobo.
 
 It's a Gigabyte GA-7N400-L1
 
Your motherboard uses the NForce2 chipset, support for which, I believe,
is best gained from the NVIDIA binary drivers available here: 
http://www.nvidia.com/object/linux.html

I hope this helps,

Cheers,

John...
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Re: [SLUG] Random System Freezes

2003-08-10 Thread Dave Airlie

can you change you AGP speed, try clocking back to 2x or 4X in the BIOS
and see if that helps...

Dave.

On Thu, 7 Aug 2003, Kevin Saenz wrote:

 Gonzalo,

 I used to have that problem. My computer would freeze in Windows
 when ever playing a 3d game. I found it would freeze spasmodically
 using Linux. The problem was with my mother board and a buggy ACPI
 component. Now I have ACPI modules installed and I have not
 experienced a freeze.

 Hope that helps.

 BTW, I have not tried other cards I have a Nvidia GeForce 4.

  Hi All,
 
  I'm experiencing complete (and random) system freezes every day or two.
  I've not found a pattern yet, it happens at random. System specs as follows:
 
  Athlon 1800+ CPU
  256MB DDR
  Matrox G400 Dualhead
  2 x HDD
  2 x SCSI CDROM
  1 x FDD
 
  First I thought it was maybe overheating so I installed lm-sensors. It
  didn't seem to be overheating, so I left it running for a while and the
  levels continued to look OK. It was then suggested to me that maybe my PSU
  was either not powerful enough or dodgy. It was only a 200W so I went out
  and bought a 320W PSU. It looked promising as it didn't crash for *gasp* 4
  days! but it froze on me twice last night. Since then, I've been running
  memtest. 8 hours  46 passes later with no errors, I'm thinking it's not
  the RAM (the CPU, mobo and RAM are all brand new). My system was fine
  before I upgraded to a new mobo/CPU.
 
  FWIW, the system is running Gentoo kernel 2.4.19, and also when I say
  system freeze I mean the system just locks up. Can't press CTRL-ALT-F1,
  can't ping it, etc.
 
  As you can imagine it's really annoying so I was hoping someone could shed
  some light on this.
 
  Thanks in advance.
 
  Best regards,
  Gonzalo


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RE: [SLUG] Random System Freezes -- NOT SOLVED (grrrr)

2003-08-10 Thread Tiwari, Rajnish
It may be another wild goose chase - as I am sorry to say
that I haven't followed your thread - if you disable say
your primary IDE controller and swap disks over to the secondary
and then observe the systems behaviour. I am thinking of
IDE controller problems. 

Just a thought.

Regards,
Raj


::not increase count. I look down at the case, the hard disk 
::activity light 
::is permanently on. Oh no, the freezes are back.
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Re: [SLUG] Random System Freezes

2003-08-09 Thread Gonzalo Servat
On 8/08/2003 10:26 AM +1000, David wrote:



On Fri, 8 Aug 2003, Gonzalo Servat wrote:

On 7/08/2003 9:40 PM +1000, Patrick Lesslie wrote:

 I have a very similar system, (Athlon 1800+, Matrox G550 dualhead)
 and apparently the same problem.  I have heard that Athlons like this
 suffer from overheating, so I assumed it was that.

 It freezes sometimes when there is a lot of system activity, so I put
 in more fans.  While it hasn't helped much, I haven't ruled out
 overheating.

 But I've never tried ACPI modules.  It sounds good to me 
I've tried removing the G400 too just incase it was the video card
overheating (I replaced it with a PCI S3) but it froze too (rather
quickly I might add). I also ran lm-sensors overnight and left it as
sticky on my desktop and on the upper layer, so that if it freezes
I'll see what temperature it last recorded. It was 0C degrees when it
crashed last night.
   ^^

zero centigrade? no wonder it froze! (sorry... I couldn't resist)

On a more serious note, isn't there a lower temp limit as well as a high
one? Where I live, low temperatures are never a problem, and I've never
heard of machines dying from low temps., but presumably it's possible.
Lower temp limit is +20C and max is +60C so you could be right. At the 
moment it's sitting on -29C (so it says anyway).. but it's not freezing, 
yet.. I had another freeze this morning.. ggr!

Regards,
Gonzalo
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Re: [SLUG] Random System Freezes

2003-08-09 Thread Patrick Lesslie

On 7 Aug 2003, Kevin Saenz wrote:

 Gonzalo,

 I used to have that problem. My computer would freeze in Windows
 when ever playing a 3d game. I found it would freeze spasmodically
 using Linux. The problem was with my mother board and a buggy ACPI
 component. Now I have ACPI modules installed and I have not
 experienced a freeze.

 Gonzalo wrote:
  I'm experiencing complete (and random) system freezes every day or
  two.  I've not found a pattern yet, it happens at random. System
  specs as follows:
 
  Athlon 1800+ CPU
  256MB DDR
  Matrox G400 Dualhead
  2 x HDD
  2 x SCSI CDROM
  1 x FDD

I have a very similar system, (Athlon 1800+, Matrox G550 dualhead)
and apparently the same problem.  I have heard that Athlons like this
suffer from overheating, so I assumed it was that.

It freezes sometimes when there is a lot of system activity, so I put
in more fans.  While it hasn't helped much, I haven't ruled out
overheating.

But I've never tried ACPI modules.  It sounds good to me 

Patrick Lesslie

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Re: [SLUG] Random System Freezes

2003-08-09 Thread Ian Wienand
On Thu, Aug 07, 2003 at 11:55:59AM +1000, Terry Collins wrote:
 Think sick building syndrome. Basically, new office/office works and
 factories produce lots of fumes that can deposit on nice new shiny
 pins and provide an insulating layer of gunk that causes intermittent
 problem.

This reminds me of a story (urban legend?) that I heard from around
here at UNSW.

Someone else probably has the full story (pchubb?), but the gist of it
is that there were a lot of single bit errors on one of the old
machines that seemed to appear for no reason.  All manner of part
swapping was done without success.

UNSW is in close proximity to Sydney airport, and after a lot of head
scratching it turned out that this was being caused by the air traffic
control radar sweeping past the machine and inducing errors ... so
kind of a sick building syndrome.

The moral of the story is to always check for high intensity radar in
the surrounding area when diagnosing problems ;)

-i
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Re: [SLUG] Random System Freezes

2003-08-09 Thread Gonzalo Servat
On 7/08/2003 7:21 PM +1000, Ben Donohue wrote:

Hi Gonzalo,
Try removing everything that is *not* absolutely needed in the computer.
Ie all the cards that are not needed. Could be one of those causing the
problem. Remove *one* of the memory chips if possible and leave the other
in. then change it over. some systems will allow this. remove CDROM
temporarily if not needed etc. Also unplug/replug in everything a few
times as mentioned in another post. check that there are no bent pins on
devices too. swap keyboard and mouse, monitor if things start to get
desperate. I've had them cause computer hiccups in the past. take an
image of the machine that you can restore later with imaging software and
install the operating system again. if it falls over again it's most
likely hardware... perhaps... you know... try different stuff...
I'm going to try the SCSI card next, although unlikely to be causing any 
problems.

Unfortunately it's one 256MB DDR stick so I can't remove half as you 
suggested.

What I'm going to try after removing the SCSI card is running Knoppix on it 
for a few days just to be absolutely certain that it's not the OS.

Thanks to all who replied and keep the suggestions coming :)

Regards,
Gonzalo
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Re: [SLUG] Random System Freezes

2003-08-08 Thread John Clarke
On Fri, Aug 08, 2003 at 08:59:37AM +1000, Gonzalo Servat wrote:

 Thanks to all who replied and keep the suggestions coming :)

Power supply.  I had a system which would randomly fall over with no
apparent cause.  I replaced the RAM, video and network cards,
motherboard and CPU but nothing changed.  Then one day, it wouldn't
power up so I replaced the power supply and it's run perfectly ever
since.


Cheers,

John
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Re: [SLUG] Random System Freezes

2003-08-08 Thread Kevin Saenz

 I've tried removing the G400 too just incase it was the video card 
 overheating (I replaced it with a PCI S3) but it froze too (rather quickly 
 I might add). I also ran lm-sensors overnight and left it as sticky on my 
 desktop and on the upper layer, so that if it freezes I'll see what 
 temperature it last recorded. It was 0C degrees when it crashed last night.
 

That is really weird. lm-sensors and acpi modules need to be loaded.
It doesn't look like you ran sensors-detect? Or you might have an
apm motherboard (I don't think they make them any more might be wrong)

sensors-detect will check what type of acpi compliant motherboard you
are running, also get you to activate some modules at boot
by inserting some lines in to /etc/modules or /etc/modules.conf


 I've had acpid running with the relevant ACPI modules installed for 
 processor, system, etc since last night but it still froze overnight.
 
 As I said in a previous email, I'm downloading Knoppix now to try and rule 
 out whether it could be the OS doing it. As you can see, I'm going to all 
 lengths to stop this annoyance :)
 
 Best regards,
 Gonzalo
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Regards,

Kevin Saenz
 
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I.T consultants
 
Ph: 02 4620 5130
Fax: 02 4625 9243
Mobile: 0418455661
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Re: [SLUG] Random System Freezes

2003-08-08 Thread Kevin Saenz
Gonzalo,

I used to have that problem. My computer would freeze in Windows
when ever playing a 3d game. I found it would freeze spasmodically
using Linux. The problem was with my mother board and a buggy ACPI
component. Now I have ACPI modules installed and I have not
experienced a freeze.

Hope that helps.

BTW, I have not tried other cards I have a Nvidia GeForce 4.

 Hi All,
 
   I'm experiencing complete (and random) system freezes every day or two. 
 I've not found a pattern yet, it happens at random. System specs as follows:
 
 Athlon 1800+ CPU
 256MB DDR
 Matrox G400 Dualhead
 2 x HDD
 2 x SCSI CDROM
 1 x FDD
 
 First I thought it was maybe overheating so I installed lm-sensors. It 
 didn't seem to be overheating, so I left it running for a while and the 
 levels continued to look OK. It was then suggested to me that maybe my PSU 
 was either not powerful enough or dodgy. It was only a 200W so I went out 
 and bought a 320W PSU. It looked promising as it didn't crash for *gasp* 4 
 days! but it froze on me twice last night. Since then, I've been running 
 memtest. 8 hours  46 passes later with no errors, I'm thinking it's not 
 the RAM (the CPU, mobo and RAM are all brand new). My system was fine 
 before I upgraded to a new mobo/CPU.
 
 FWIW, the system is running Gentoo kernel 2.4.19, and also when I say 
 system freeze I mean the system just locks up. Can't press CTRL-ALT-F1, 
 can't ping it, etc.
 
 As you can imagine it's really annoying so I was hoping someone could shed 
 some light on this.
 
 Thanks in advance.
 
 Best regards,
 Gonzalo
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Regards,

Kevin Saenz
 
Spinaweb
I.T consultants
 
Ph: 02 4620 5130
Fax: 02 4625 9243
Mobile: 0418455661
Web: http://www.spinaweb.com.au

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Re: [SLUG] Random System Freezes

2003-08-07 Thread Ben Donohue
Hi Gonzalo,
Try removing everything that is *not* absolutely needed in the computer. 
Ie all the cards that are not needed. Could be one of those causing the 
problem. Remove *one* of the memory chips if possible and leave the 
other in. then change it over. some systems will allow this. remove 
CDROM temporarily if not needed etc.
Also unplug/replug in everything a few times as mentioned in another 
post. check that there are no bent pins on devices too. swap keyboard 
and mouse, monitor if things start to get desperate. I've had them cause 
computer hiccups in the past. take an image of the machine that you can 
restore later with imaging software and install the operating system 
again. if it falls over again it's most likely hardware... perhaps... 
you know... try different stuff...
Ben

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Re: Re: [SLUG] Random System Freezes

2003-08-07 Thread Gonzalo Servat
On 7/08/2003 11:14 AM +1000, [EMAIL PROTECTED] wrote:

Have you run a complete memory test over the system.  Quite often these
sort of  things are a dud memory chip.
Yeah, I ran memtest for 8 hours overnight with no problems.

Regards,
Gonzalo


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Re: [SLUG] Random System Freezes

2003-08-06 Thread Terry Collins
Gonzalo Servat wrote:

 FWIW, the system is running Gentoo kernel 2.4.19,

dons asbestos suit {:-) that is obviously your problem. One of your
libaries needs a recompile /asbestos suit

Did you say new CPU  mobo?
But you didn't list your mobo.
I have a MSI mobo that does this under linux, but noth that other OS.


HW freeze up problem solving 101.

(a)The easy 1 on 1 method.

Replace each and every hardware item one at a time for a period, say 24
hours (a week sounds better in your case since it only happens once a
day), until you replace the item that is broke = your system no longer
has that fault.


Have you done the basic cable/chip wiggle test? (remove+replace),3, * 
every cable and chip[1].


Checked error/message logs?. A faulty CD drive/HD on the way out can do
this (timeout messages) 



[1] Must be getting old, but can someone provide a RPN refresher?



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