Re: Random signals in {build,install}world recently?

2003-10-28 Thread Vallo Kallaste
On Mon, Oct 27, 2003 at 02:46:03PM -0500, Andre Guibert de Bruet
[EMAIL PROTECTED] wrote:

 On Tue, 21 Oct 2003, Vallo Kallaste wrote:
 
  I went back to last known good kernel/world combination, which is
  from September 16. The next and problematic kernel/world pair is
  from September 30. So the problem was introduced between these
  dates.
 
 Well, I have a system from the 25th that works just fine, we're looking
 between the dates of 9/25 - 9/30.

It is fixed, grab newer sources.
-- 
Vallo Kallaste
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Re: Random signals in {build,install}world recently?

2003-10-28 Thread Barney Wolff
On Tue, Oct 28, 2003 at 09:01:35AM +0200, Vallo Kallaste wrote:
  
  Well, I have a system from the 25th that works just fine, we're looking
  between the dates of 9/25 - 9/30.
 
 It is fixed, grab newer sources.

It seems mostly but not completely fixed.  I got one sig11 (on touch :)
building ports.  Retrying the port (Mozilla 1.5, pretty big) succeeded,
and I got no further sigs doing portupgrade -ap.  As always, I can't
completely rule out h/w, but the system has never produced any sigs
doing builds on RELENG_5_1 or -current before 9/24.  However the behavior
is very much improved, as -currents after 9/24 until the pmap.c fix
would get sigs every few minutes.  (Reminder, this is a dual-athlon.)

-- 
Barney Wolff http://www.databus.com/bwresume.pdf
I'm available by contract or FT, in the NYC metro area or via the 'Net.
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Re: Random signals in {build,install}world recently?

2003-10-27 Thread Andre Guibert de Bruet

On Tue, 21 Oct 2003, Vallo Kallaste wrote:

 I went back to last known good kernel/world combination, which is
 from September 16. The next and problematic kernel/world pair is
 from September 30. So the problem was introduced between these
 dates.

Well, I have a system from the 25th that works just fine, we're looking
between the dates of 9/25 - 9/30.

Regards,

 Andre Guibert de Bruet | Enterprise Software Consultant 
 Silicon Landmark, LLC. | http://siliconlandmark.com/
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Re: Random signals in {build,install}world recently?

2003-10-22 Thread Doug Rabson
On Tue, 2003-10-21 at 07:59, Terry Lambert wrote:
 Christian Brueffer wrote:
   I don't think so.  I tried that on my A7M266D with no effect.  I believe
   something in recent pmap code doesn't like this mobo, or maybe dual
   athlons in general.  I can run RELENG_5_1 rock solid, and -current from
   9/24/03 rock solid, but -current from 10/3 or later gets random sigs
   and eventually panics.  I have scsi disks so it's not ata.
  
  I have the same experiences.  Also AMD A7M-266D with two 1800+ Athlons here.
  Used to work fine, but got random signals with my latest builds.
 
 On thing that occurs to me: try the other scheduler: there were
 recent changes in this area, which may be the problem.

I also get random segfaults and ICEs on my dual 1900+ system with recent
current. It certainly isn't hardware problems since older kernels work
very nicely. I haven't got around to trying to diagnose what is causing
it yet though. I was planning to try disabling a few things like SSE,
PSE etc and see if I could improve things. My kernel is dated from 1
October (I did try a bit later than that but those ones just paniced all
over themselves, very messy).


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Re: Random signals in {build,install}world recently?

2003-10-22 Thread Rob MacGregor
From: Doug Rabson [EMAIL PROTECTED]

I also get random segfaults and ICEs on my dual 1900+ system with recent
current. It certainly isn't hardware problems since older kernels work
very nicely. I haven't got around to trying to diagnose what is causing
it yet though. I was planning to try disabling a few things like SSE,
PSE etc and see if I could improve things. My kernel is dated from 1
October (I did try a bit later than that but those ones just paniced all
over themselves, very messy).
I've been seeing those on my laptop (PII-700 in an HP Omnibook 6000).  What 
I did find is that if I disable SSE (options CPU_DISABLE_SSE) then I can 
build without issue.  I haven't had to disable anything else.

Credit for this goes to somebody else on the list (don't remember who) who 
said it worked for them.

 Please DO NOT send me ANY email directly unless it's a privacy issue.
  Reply-to mangled to assist those who don't read the above.
--
Rob  |  What part of no was it you didn't understand?
_
Hotmail messages direct to your mobile phone http://www.msn.co.uk/msnmobile
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Re: Random signals in {build,install}world recently?

2003-10-21 Thread Terry Lambert
Harti Brandt wrote:
 On Mon, 20 Oct 2003, Mark Santcroos wrote:
 MSOn Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
 MS On Mon, 20 Oct 2003, Vallo Kallaste wrote:
 MS VKBasically one will get random signals as I have got in build- and
 MS VKinstallworld. It's impossible to complete make -j2 buildworld on my
 MS VKmachine, but sometimes non-parallel buildworld will do, only to die
 MS VKlater in installworld.
 MS VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
 MS VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
 MS VKmatters.
 MS
 MS I have the same MB just with 1800+ processors. I had to reduce the CPU
 MS frequency by about 10% in the BIOS setup to get the machine stable. I
 MS assume the problem is actually the memory.
 MS
 MSCouldn't the following be of help here?
 MS
 MSoptions DISABLE_PSE
 MSoptions DISABLE_PG_G
 
 Is the processor bug that these options seem to circumvent dependend on
 the actual operating frequency of the processor?

No.  It is dependent on the amount of memory in the system, and the
specific processor features.  For example, if you have a newer chip
pair, you are more likely to see the problem than on an older system,
though all Pentium class processors supporting 4M pages have the
problems.

If the issues you are seeing are not signal 10's in processes or a
trap 12 (page not present) panic of the kernel, then most likely the
issue with the 1800+ machine is thermal, if it is not in fact a bad
memory issue (have your memory tested on a professional test machine).

I've noticed a lot of bad problems with Hynix memory lately; your
mileage may vary.  At Whistle we had a problem with memory with Gold
contacts, and didn't have any problems with the ones with Tin.

If you could enable HLT in the idle loop (there is a sysctl, and,
I don't know if it's been integrated yet, Julian Elischer published
a patch that did this and aded an IPI to work around the scheduling
latency, which is what not having the HLT supposedly fixed), then
you will likely see the intermittent problem clear itself up, if it
is in fact thermal.

If you are overclocking your machine, or you have bought parts that
have been falsely labeled as higher frequency than they are actually
rated to run at (counterfeit chips), then either of these issues
could also be your problem.  So could a borderline power supply.

-- Terry
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Re: Random signals in {build,install}world recently?

2003-10-21 Thread Terry Lambert
Barney Wolff wrote:
 I don't think so.  I tried that on my A7M266D with no effect.  I believe
 something in recent pmap code doesn't like this mobo, or maybe dual
 athlons in general.  I can run RELENG_5_1 rock solid, and -current from
 9/24/03 rock solid, but -current from 10/3 or later gets random sigs
 and eventually panics.  I have scsi disks so it's not ata.

I think you need to define random; do you mean rare in frequency
over time at unpredicatable intervals or you never know what
program is going to get shot in the head, every 5 seconds, like
clockwork?

My impression so far in this therad is that it's the former.  If
it's the latter, then I need to think about the problem differently.


Note that you can identify the patch that caused the problem, if
there's an 8 day difference, in no more than 4 kernel recompiles
(log2(8)+1), if you have a local CVS mirror.

-- Terry
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Re: Random signals in {build,install}world recently?

2003-10-21 Thread Terry Lambert
Christian Brueffer wrote:
  I don't think so.  I tried that on my A7M266D with no effect.  I believe
  something in recent pmap code doesn't like this mobo, or maybe dual
  athlons in general.  I can run RELENG_5_1 rock solid, and -current from
  9/24/03 rock solid, but -current from 10/3 or later gets random sigs
  and eventually panics.  I have scsi disks so it's not ata.
 
 I have the same experiences.  Also AMD A7M-266D with two 1800+ Athlons here.
 Used to work fine, but got random signals with my latest builds.

On thing that occurs to me: try the other scheduler: there were
recent changes in this area, which may be the problem.

-- Terry
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Re: Random signals in {build,install}world recently?

2003-10-21 Thread Peter Jeremy
On Mon, Oct 20, 2003 at 11:45:21PM -0700, Terry Lambert wrote:
I've noticed a lot of bad problems with Hynix memory lately; your
mileage may vary.  At Whistle we had a problem with memory with Gold
contacts, and didn't have any problems with the ones with Tin.

A good rule of thumb is to make sure that the finish on the DIMM
contacts are the same as the ones on the DIMM socket - both gold or
both tin.  Note that whilst gold doesn't oxidise, it's fairly easy
to make a gold coating so thin that it's gas permeable allowing the
underlying metal to oxidise.

Peter
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Re: Random signals in {build,install}world recently?

2003-10-21 Thread Don Lewis
On 21 Oct, Peter Jeremy wrote:
 On Mon, Oct 20, 2003 at 11:45:21PM -0700, Terry Lambert wrote:
I've noticed a lot of bad problems with Hynix memory lately; your
mileage may vary.  At Whistle we had a problem with memory with Gold
contacts, and didn't have any problems with the ones with Tin.
 
 A good rule of thumb is to make sure that the finish on the DIMM
 contacts are the same as the ones on the DIMM socket - both gold or
 both tin.  Note that whilst gold doesn't oxidise, it's fairly easy
 to make a gold coating so thin that it's gas permeable allowing the
 underlying metal to oxidise.

Mixing tin and gold can cause galvanic corrosion.  You can also have
connection problems due to the buildup of tin oxide on the gold surface.

I had memory corruption problems on my Athlon UP system that I tracked
down to a memory timing misconfiguration.  My memory was rated for a CAS
Latency of 2.5, but the motherboard BIOS in auto memory configuration
mode set the timing to 2.0.  When I manually configured the memory
timing, the errors went away.  The memory errors would show up as random
file corruption in make buildworld, and I also saw errors on one of
the last tests that memtest86 performs.
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Re: Random signals in {build,install}world recently?

2003-10-21 Thread Barney Wolff
On Mon, Oct 20, 2003 at 11:57:48PM -0700, Terry Lambert wrote:
 Barney Wolff wrote:
  I don't think so.  I tried that on my A7M266D with no effect.  I believe
  something in recent pmap code doesn't like this mobo, or maybe dual
  athlons in general.  I can run RELENG_5_1 rock solid, and -current from
  9/24/03 rock solid, but -current from 10/3 or later gets random sigs
  and eventually panics.  I have scsi disks so it's not ata.
 
 I think you need to define random; do you mean rare in frequency
 over time at unpredicatable intervals or you never know what
 program is going to get shot in the head, every 5 seconds, like
 clockwork?

The latter, with the interval being more like a very few minutes rather
than seconds.  The system would sit fine when idle, but never make it
all the way through buildworld, or buildkernel, or building a port.
In one notorious instance, the -current kernel didn't even make it
through installworld without a sig.  grep, sed, awk, sh have all gotten
sigs, not just cc.

 My impression so far in this therad is that it's the former.  If
 it's the latter, then I need to think about the problem differently.
 
 
 Note that you can identify the patch that caused the problem, if
 there's an 8 day difference, in no more than 4 kernel recompiles
 (log2(8)+1), if you have a local CVS mirror.

The frequency of patches to pmap was quite high, and that was not the
only file patched.  But yes, I can do a binary search.  I haven't,
because the changes to pmap were architectural; we're not talking about
a typo here.  Of course it's just my assumption that it's pmap because
the eventual panic is there.

btw, I use sched_bsd so _ule is not a suspect.

-- 
Barney Wolff http://www.databus.com/bwresume.pdf
I'm available by contract or FT, in the NYC metro area or via the 'Net.
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Re: Random signals in {build,install}world recently?

2003-10-21 Thread Vallo Kallaste
On Mon, Oct 20, 2003 at 04:38:32PM +0300, Vallo Kallaste
[EMAIL PROTECTED] wrote:

[snip all]
Ok, following up my own email..

I went back to last known good kernel/world combination, which is
from September 16. The next and problematic kernel/world pair is
from September 30. So the problem was introduced between these
dates.
I've built world and kernel from Sep 16 sources 00:00:00 UTC and my
system is solid again, it's the fourth make -j4 buildworld in a row
now and the problem (signals and ICE's in buildworld, not
pmap_enter) is gone.
My cents towards resolving this problem..
-- 
Vallo Kallaste
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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Harti Brandt
On Mon, 20 Oct 2003, Vallo Kallaste wrote:

VKHi
VK
VKIt seems to be a recent problem. The hardware is OK, both Windows XP
VK(which I use very seldom) and Gentoo Linux do not exhibit any
VKproblems.
VKBasically one will get random signals as I have got in build- and
VKinstallworld. It's impossible to complete make -j2 buildworld on my
VKmachine, but sometimes non-parallel buildworld will do, only to die
VKlater in installworld.
VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
VKmatters.

I have the same MB just with 1800+ processors. I had to reduce the CPU
frequency by about 10% in the BIOS setup to get the machine stable. I
assume the problem is actually the memory.

harti

-- 
harti brandt,
http://www.fokus.fraunhofer.de/research/cc/cats/employees/hartmut.brandt/private
[EMAIL PROTECTED], [EMAIL PROTECTED]
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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Mark Santcroos
On Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
 On Mon, 20 Oct 2003, Vallo Kallaste wrote:
 
 VKHi
 VK
 VKIt seems to be a recent problem. The hardware is OK, both Windows XP
 VK(which I use very seldom) and Gentoo Linux do not exhibit any
 VKproblems.
 VKBasically one will get random signals as I have got in build- and
 VKinstallworld. It's impossible to complete make -j2 buildworld on my
 VKmachine, but sometimes non-parallel buildworld will do, only to die
 VKlater in installworld.
 VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
 VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
 VKmatters.
 
 I have the same MB just with 1800+ processors. I had to reduce the CPU
 frequency by about 10% in the BIOS setup to get the machine stable. I
 assume the problem is actually the memory.

Couldn't the following be of help here?

options DISABLE_PSE
options DISABLE_PG_G

Mark
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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Harti Brandt
On Mon, 20 Oct 2003, Mark Santcroos wrote:

MSOn Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
MS On Mon, 20 Oct 2003, Vallo Kallaste wrote:
MS
MS VKHi
MS VK
MS VKIt seems to be a recent problem. The hardware is OK, both Windows XP
MS VK(which I use very seldom) and Gentoo Linux do not exhibit any
MS VKproblems.
MS VKBasically one will get random signals as I have got in build- and
MS VKinstallworld. It's impossible to complete make -j2 buildworld on my
MS VKmachine, but sometimes non-parallel buildworld will do, only to die
MS VKlater in installworld.
MS VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
MS VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
MS VKmatters.
MS
MS I have the same MB just with 1800+ processors. I had to reduce the CPU
MS frequency by about 10% in the BIOS setup to get the machine stable. I
MS assume the problem is actually the memory.
MS
MSCouldn't the following be of help here?
MS
MSoptions DISABLE_PSE
MSoptions DISABLE_PG_G

Is the processor bug that these options seem to circumvent dependend on
the actual operating frequency of the processor?

harti
-- 
harti brandt,
http://www.fokus.fraunhofer.de/research/cc/cats/employees/hartmut.brandt/private
[EMAIL PROTECTED], [EMAIL PROTECTED]
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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Mark Santcroos
On Mon, Oct 20, 2003 at 03:29:04PM +0200, Harti Brandt wrote:
 MS I have the same MB just with 1800+ processors. I had to reduce the CPU
 MS frequency by about 10% in the BIOS setup to get the machine stable. I
 MS assume the problem is actually the memory.
 MS
 MSCouldn't the following be of help here?
 MS
 MSoptions DISABLE_PSE
 MSoptions DISABLE_PG_G
 
 Is the processor bug that these options seem to circumvent dependend on
 the actual operating frequency of the processor?

That won't surprise me, as afaik it's a timing thing.
Note that due to all vagueness around this issue I could be wrong, but
it's worth a try I guess.

Mark
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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Vallo Kallaste
On Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt
[EMAIL PROTECTED] wrote:

 VKIt seems to be a recent problem. The hardware is OK, both Windows XP
 VK(which I use very seldom) and Gentoo Linux do not exhibit any
 VKproblems.
 VKBasically one will get random signals as I have got in build- and
 VKinstallworld. It's impossible to complete make -j2 buildworld on my
 VKmachine, but sometimes non-parallel buildworld will do, only to die
 VKlater in installworld.
 VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
 VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
 VKmatters.
 
 I have the same MB just with 1800+ processors. I had to reduce the CPU
 frequency by about 10% in the BIOS setup to get the machine stable. I
 assume the problem is actually the memory.

I'm in doubt in this matter, because it's been absolutely stable so
far and is as stable as before under Linux and XP. Also, my problems
very much coincidence with some list traffic about the same
problem, follow the thread:
Subject: Seeing system-lockups on recent current
Message-ID: [EMAIL PROTECTED]
I also managed to panic the system after repeated attempts to get
through the installworld (which all failed). The panic string is
panic: pmap_enter: attempted pmap_enter on 4MB page and is also
described by the message:
Subject: panic: pmap_enter: attempted pmap_enter on 4MB page
Message-ID: [EMAIL PROTECTED]
I have debug kernel, but the system locked up after the message and
I had to drive home and reset the system. All those problematic
systems seem to be AMD based.
-- 
Vallo Kallaste
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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Barney Wolff
On Mon, Oct 20, 2003 at 03:20:56PM +0200, Mark Santcroos wrote:
 On Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
  On Mon, 20 Oct 2003, Vallo Kallaste wrote:
  
  VKHi
  VK
  VKIt seems to be a recent problem. The hardware is OK, both Windows XP
  VK(which I use very seldom) and Gentoo Linux do not exhibit any
  VKproblems.
  VKBasically one will get random signals as I have got in build- and
  VKinstallworld. It's impossible to complete make -j2 buildworld on my
  VKmachine, but sometimes non-parallel buildworld will do, only to die
  VKlater in installworld.
  VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
  VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
  VKmatters.
  
  I have the same MB just with 1800+ processors. I had to reduce the CPU
  frequency by about 10% in the BIOS setup to get the machine stable. I
  assume the problem is actually the memory.
 
 Couldn't the following be of help here?
 
 options DISABLE_PSE
 options DISABLE_PG_G

I don't think so.  I tried that on my A7M266D with no effect.  I believe
something in recent pmap code doesn't like this mobo, or maybe dual
athlons in general.  I can run RELENG_5_1 rock solid, and -current from
9/24/03 rock solid, but -current from 10/3 or later gets random sigs
and eventually panics.  I have scsi disks so it's not ata.

-- 
Barney Wolff http://www.databus.com/bwresume.pdf
I'm available by contract or FT, in the NYC metro area or via the 'Net.
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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Christian Brueffer
On Mon, Oct 20, 2003 at 10:50:02AM -0400, Barney Wolff wrote:
 On Mon, Oct 20, 2003 at 03:20:56PM +0200, Mark Santcroos wrote:
  On Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
   On Mon, 20 Oct 2003, Vallo Kallaste wrote:
   
   VKHi
   VK
   VKIt seems to be a recent problem. The hardware is OK, both Windows XP
   VK(which I use very seldom) and Gentoo Linux do not exhibit any
   VKproblems.
   VKBasically one will get random signals as I have got in build- and
   VKinstallworld. It's impossible to complete make -j2 buildworld on my
   VKmachine, but sometimes non-parallel buildworld will do, only to die
   VKlater in installworld.
   VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
   VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
   VKmatters.
   
   I have the same MB just with 1800+ processors. I had to reduce the CPU
   frequency by about 10% in the BIOS setup to get the machine stable. I
   assume the problem is actually the memory.
  
  Couldn't the following be of help here?
  
  options DISABLE_PSE
  options DISABLE_PG_G
 
 I don't think so.  I tried that on my A7M266D with no effect.  I believe
 something in recent pmap code doesn't like this mobo, or maybe dual
 athlons in general.  I can run RELENG_5_1 rock solid, and -current from
 9/24/03 rock solid, but -current from 10/3 or later gets random sigs
 and eventually panics.  I have scsi disks so it's not ata.
 

I have the same experiences.  Also AMD A7M-266D with two 1800+ Athlons here.
Used to work fine, but got random signals with my latest builds.

- Christian

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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Harti Brandt
On Mon, 20 Oct 2003, Christian Brueffer wrote:

CBOn Mon, Oct 20, 2003 at 10:50:02AM -0400, Barney Wolff wrote:
CB On Mon, Oct 20, 2003 at 03:20:56PM +0200, Mark Santcroos wrote:
CB  On Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
CB   On Mon, 20 Oct 2003, Vallo Kallaste wrote:
CB  
CB   VKHi
CB   VK
CB   VKIt seems to be a recent problem. The hardware is OK, both Windows XP
CB   VK(which I use very seldom) and Gentoo Linux do not exhibit any
CB   VKproblems.
CB   VKBasically one will get random signals as I have got in build- and
CB   VKinstallworld. It's impossible to complete make -j2 buildworld on my
CB   VKmachine, but sometimes non-parallel buildworld will do, only to die
CB   VKlater in installworld.
CB   VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
CB   VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
CB   VKmatters.
CB  
CB   I have the same MB just with 1800+ processors. I had to reduce the CPU
CB   frequency by about 10% in the BIOS setup to get the machine stable. I
CB   assume the problem is actually the memory.
CB 
CB  Couldn't the following be of help here?
CB 
CB  options DISABLE_PSE
CB  options DISABLE_PG_G
CB
CB I don't think so.  I tried that on my A7M266D with no effect.  I believe
CB something in recent pmap code doesn't like this mobo, or maybe dual
CB athlons in general.  I can run RELENG_5_1 rock solid, and -current from
CB 9/24/03 rock solid, but -current from 10/3 or later gets random sigs
CB and eventually panics.  I have scsi disks so it's not ata.
CB
CB
CBI have the same experiences.  Also AMD A7M-266D with two 1800+ Athlons here.
CBUsed to work fine, but got random signals with my latest builds.

I have no problems with the -current, but, as I've said, I have tuned
speed down. If I remember correctly they running slower than their nominal
speed. Dmesg shows 1380.01MHz, although they're 1800+. This is tuneable in
the BIOS.

harti
-- 
harti brandt,
http://www.fokus.fraunhofer.de/research/cc/cats/employees/hartmut.brandt/private
[EMAIL PROTECTED], [EMAIL PROTECTED]
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Re: Random signals in {build,install}world recently?

2003-10-20 Thread Marius Strobl
On Mon, Oct 20, 2003 at 05:08:26PM +0200, Christian Brueffer wrote:
 On Mon, Oct 20, 2003 at 10:50:02AM -0400, Barney Wolff wrote:
  On Mon, Oct 20, 2003 at 03:20:56PM +0200, Mark Santcroos wrote:
   On Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
On Mon, 20 Oct 2003, Vallo Kallaste wrote:

VKHi
VK
VKIt seems to be a recent problem. The hardware is OK, both Windows XP
VK(which I use very seldom) and Gentoo Linux do not exhibit any
VKproblems.
VKBasically one will get random signals as I have got in build- and
VKinstallworld. It's impossible to complete make -j2 buildworld on my
VKmachine, but sometimes non-parallel buildworld will do, only to die
VKlater in installworld.
VKThis is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
VK1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
VKmatters.

I have the same MB just with 1800+ processors. I had to reduce the CPU
frequency by about 10% in the BIOS setup to get the machine stable. I
assume the problem is actually the memory.
   
   Couldn't the following be of help here?
   
   options DISABLE_PSE
   options DISABLE_PG_G
  
  I don't think so.  I tried that on my A7M266D with no effect.  I believe
  something in recent pmap code doesn't like this mobo, or maybe dual
  athlons in general.  I can run RELENG_5_1 rock solid, and -current from
  9/24/03 rock solid, but -current from 10/3 or later gets random sigs
  and eventually panics.  I have scsi disks so it's not ata.
  
 
 I have the same experiences.  Also AMD A7M-266D with two 1800+ Athlons here.
 Used to work fine, but got random signals with my latest builds.
 

Here, too. However, on a Tyan Thunder K7 with MP 1200 and a Tyan Tiger MPX
with MP 1600+. Additionally to random signals I also get ICEs from GCC at
random places and freezes with `make -jX buildworld` but no panics.

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