Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze- it's something else

2002-09-11 Thread Xavier Bestel

Ok, sorry to have wasted bandwidth and brain cells, I'm back to 4.1 and
it still freezes. I really dunno why it fails now. I tried changing
kernel versions, even reflashing motherboard bios to all possible
revisions ... no way, it still freezes.
I noticed the nvidia uses the same pirq than my network card, but even
when I remove it (the nvidia), my pc still fails.

It seems really bound to X activity: I can compile kernels or do
otherwise cpu-intensive tasks for hours without problems, but if I use
galeon or xine or other X-intensive tasks, it freezes after a while
(seconds or minutes or more).

Does any of you have experience about such failures ? Can it be
hardware-related ? BIOS-related ? I didn't change my hardware and it was
working very well a month ago.

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Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze- it's something else

2002-09-11 Thread J. Imlay

 Ok, sorry to have wasted bandwidth and brain cells, I'm back to 4.1 and
 it still freezes. I really dunno why it fails now. I tried changing
 kernel versions, even reflashing motherboard bios to all possible
 revisions ... no way, it still freezes.
 I noticed the nvidia uses the same pirq than my network card, but even
 when I remove it (the nvidia), my pc still fails.

 It seems really bound to X activity: I can compile kernels or do
 otherwise cpu-intensive tasks for hours without problems, but if I use
 galeon or xine or other X-intensive tasks, it freezes after a while
 (seconds or minutes or more).

 Does any of you have experience about such failures ? Can it be
 hardware-related ? BIOS-related ? I didn't change my hardware and it was
 working very well a month ago.

Yes, I have a friend who's computer does this. If he doesn't use X his
computer will run for days, in fact if he doesn't run X his computer will
run for days. But he can walk over and sit down and touch the mouse and a
few minutes later his box just dies. Never at a particular time, it seemed
sound related for a while, but it's not because sometimes it does it with
out sound.It did it in windows 98, ME, and 2k, as well as linux. Started
about a year ago. But he has k6-2 400, NVidia TNT2. He's tried swapping
memory and cpu and video card, and it wasn't any of those. Only thing left
is mother board. But just similar symptoms, so I couldn't say if it's the
same boat your in.

Hope that helps,
Let me know if you figure it out.

Thanks,
Josie Imlay


 
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Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze- it's something else

2002-09-11 Thread Mark Vojkovich

On 11 Sep 2002, Xavier Bestel wrote:

 Ok, sorry to have wasted bandwidth and brain cells, I'm back to 4.1 and
 it still freezes. I really dunno why it fails now. I tried changing
 kernel versions, even reflashing motherboard bios to all possible
 revisions ... no way, it still freezes.
 I noticed the nvidia uses the same pirq than my network card, but even
 when I remove it (the nvidia), my pc still fails.
 
 It seems really bound to X activity: I can compile kernels or do
 otherwise cpu-intensive tasks for hours without problems, but if I use
 galeon or xine or other X-intensive tasks, it freezes after a while
 (seconds or minutes or more).
 
 Does any of you have experience about such failures ? Can it be
 hardware-related ? BIOS-related ? I didn't change my hardware and it was
 working very well a month ago.
 

   Specific problems I can think that might only affect graphics,
but not compiles or other CPU intensive tasks include:

1) Fastwrites enabled when the chips don't really support them.

2) Mapping registers cached (shouldn't have happened).

3) Bad resource arbitration in the motherboard bios (conflicts, overlaps).

4) Power regulation problems.


Mark.
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RE: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze - it's something else

2002-09-11 Thread Xavier Bestel

Le mer 11/09/2002 à 21:18, Alexander Stohr a écrit :
 
 He should think about the power supply...

The integrated health status sensors of my motherboard tell me voltages
are Ok ... can I trust them ?

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Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze- it's something else

2002-09-11 Thread Xavier Bestel

Le mer 11/09/2002 à 21:30, Mark Vojkovich a écrit :
Specific problems I can think that might only affect graphics,
 but not compiles or other CPU intensive tasks include:
 
 1) Fastwrites enabled when the chips don't really support them.

Nope

 2) Mapping registers cached (shouldn't have happened).
 
 3) Bad resource arbitration in the motherboard bios (conflicts, overlaps).

How do I find that ? Is there some doc somewhere about how to hunt such
conflicts ?

 4) Power regulation problems.

Sensors say it's OK.


Thanks for the tips Mark.

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Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze- it's something else

2002-09-11 Thread Mark Vojkovich

On 11 Sep 2002, Xavier Bestel wrote:

  3) Bad resource arbitration in the motherboard bios (conflicts, overlaps).
 
 How do I find that ? Is there some doc somewhere about how to hunt such
 conflicts ?
 

   Usually XFree86's verbose output would complain about overlaps.
There's always the possibliltiy of some other broken card in the
system that reports its needs incorrectly (remember the S3 968)
and a correctly operating bios leaving it overlapping something
else.  But I think most of those types of problems would be
well known and already worked around in the kernel, etc...  And
we're really grasping at straws at that point.

   Do you have alot of power consumption in your system?  How
many Watts can the power supply provide?  Can you hear phenomenon
like your fans sounding like their RPMs are dropping when you
do cpu or graphics intensive tasks?  Even if the power supply
itself is OK, it could be a regulation problem on the board.

   Have you tried snipping out the freetype or xtt modules
so that the TrueType font renders don't get used?  There have
been fatal bugs in those in the past.  I think they are all
fixed by now though.


Mark.
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Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze- it's something else

2002-09-11 Thread Xavier Bestel

Le mer 11/09/2002 à 22:51, Mark Vojkovich a écrit :
Do you have alot of power consumption in your system?  How
 many Watts can the power supply provide?  Can you hear phenomenon
 like your fans sounding like their RPMs are dropping when you
 do cpu or graphics intensive tasks?  Even if the power supply
 itself is OK, it could be a regulation problem on the board.

I have a 150W PSU (a Wintech), on a dual-pIII 1GHz (with big fans
which sound a bit like a 747 taking-off), 2 HDDs, an internal Zip, a
DVD, a CDRW, an IEEE1394 card, an eth card, a sound card, and obviously
a R128 AGP and a TNT2 PCI. I have to admit I really don't know how much
power all this may drain.
And yes, I can tell the CPUs load just by listening to the fans.


Have you tried snipping out the freetype or xtt modules
 so that the TrueType font renders don't get used?  There have
 been fatal bugs in those in the past.  I think they are all
 fixed by now though.

I tried that, without luck. GTK+2 still uses truetype fonts, but as it's
client-space rendering I don't think it matters.

Xav

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Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze- it's something else

2002-09-11 Thread Xavier Bestel

Le mer 11/09/2002 à 23:41, Xavier Bestel a écrit :
 Le mer 11/09/2002 à 22:51, Mark Vojkovich a écrit :
 Do you have alot of power consumption in your system?  How
  many Watts can the power supply provide?  Can you hear phenomenon
  like your fans sounding like their RPMs are dropping when you
  do cpu or graphics intensive tasks?  Even if the power supply
  itself is OK, it could be a regulation problem on the board.
 
 I have a 150W PSU (a Wintech), on a dual-pIII 1GHz (with big fans
 which sound a bit like a 747 taking-off), 2 HDDs, an internal Zip, a
 DVD, a CDRW, an IEEE1394 card, an eth card, a sound card, and obviously
 a R128 AGP and a TNT2 PCI. I have to admit I really don't know how much
 power all this may drain.
 And yes, I can tell the CPUs load just by listening to the fans.

Err ... I mistyped, it's a 250W PSU. But after surfing a bit, it seems
it's way out of specs. So well ... I'll have to go and buy a bigger one,
something like a 400W I think.

Thanks a lot for the tip.


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Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze- it's something else

2002-09-11 Thread Mark Vojkovich

On 11 Sep 2002, Xavier Bestel wrote:

 Le mer 11/09/2002 à 22:51, Mark Vojkovich a écrit :
 Do you have alot of power consumption in your system?  How
  many Watts can the power supply provide?  Can you hear phenomenon
  like your fans sounding like their RPMs are dropping when you
  do cpu or graphics intensive tasks?  Even if the power supply
  itself is OK, it could be a regulation problem on the board.
 
 I have a 150W PSU (a Wintech), on a dual-pIII 1GHz (with big fans
 which sound a bit like a 747 taking-off), 2 HDDs, an internal Zip, a
 DVD, a CDRW, an IEEE1394 card, an eth card, a sound card, and obviously
 a R128 AGP and a TNT2 PCI. I have to admit I really don't know how much
 power all this may drain.
 And yes, I can tell the CPUs load just by listening to the fans.

   I'm thinking 150 Watts really isn't enough for that.  My main
machine has a similar setup (dual PIIIs and two video cards) and
I have a 235 Watt power supply which I'd consider marginal.  I have
an HP dual P4 machine here with a 465 Watt power supply in it.

   If your fans are speeding up when the CPU is going full bore
(some inteligent cooling system) that is good.  If they are slowing
down, that means they're starved for power.  That's usually not a
good sign.  I have seen fan slowdowns in other machines and I've 
generally considered that as a tip-off that there are power problems.

Mark.
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Re: [Xpert]Re: X 4.2.x + TNT + ATI All-In-Wonder 128 = hard freeze - it's something else

2002-09-11 Thread Markus Gutschke

The motherboard sensors tend to be pretty slow and only give you an average 
value. Unfortunately, long before you see hardware failing due to low voltage, 
you'll run into problems with transients. Short of hooking up some expensive 
test equipment (a oscilloscope would work), there isn't much you can do to test 
for these -- and power supply manufacturers don't typically tell you all the 
specs that you need to know. As a rule of thumb, if you buy a power supply that 
has generous extra ampere ratings on all of the different voltage lines (e.g. 
3.3V, 5V, 12V, and the negative ones), chances are you'll get something that 
will be able to avoid transients, but even then there are no real guarantees. 
For a system with one or two fast CPUs (1GHz and above) and a modern AGP 
graphics card, you will probably want to get a PSU that is rated in excess of 
300W (450W or so is probably a good bet). If you can buy a reputable brand-name 
product, you might want to consider that option -- and even after all this, you 
might still have bad luck and end up with a PSU that just doesn't work with your 
system.


Markus

P.S.: BTW, if your graphics card has a connector that allows you to supply 
additional power directly to it rather than going through the AGP bus, then make 
sure you take advantage of this. Modern graphics card put quite some load on the 
system and not all motherboards can supply this much current over the AGP bus 
itself.

Xavier Bestel wrote:
 Le mer 11/09/2002 à 21:18, Alexander Stohr a écrit :
 
He should think about the power supply...
 
 
 The integrated health status sensors of my motherboard tell me voltages
 are Ok ... can I trust them ?
 
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-- 
Markus Gutschke
3637 Fillmore Street #106
San Francisco, CA 94123-1600
+1-415-567-8449
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