* VGA blank causes hang with 2.4.18
@ 2002-03-15 2:52 Richard Gooch
2002-03-15 3:02 ` Keith Owens
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Richard Gooch @ 2002-03-15 2:52 UTC (permalink / raw)
To: linux-kernel
Hi, all. Here's a perverse problem: when the screen blanks (text
console) with 2.4.18, the machine hangs. No ping response, no magic
SysReq response. I didn't have this problem with 2.4.7.
The command I used to configure screen blanking was:
setterm -blank 10 -powerdown 0
This is an Athalon 850 MHz on a Gigabyte GA-7ZM motherboard.
I managed to waste a few hours chasing this, wondering why the machine
hung a while after boot. Of course, I first blamed the jobs that were
started on it soon after boot. Turns out the jobs are not to blame!
Regards,
Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: VGA blank causes hang with 2.4.18
2002-03-15 2:52 VGA blank causes hang with 2.4.18 Richard Gooch
@ 2002-03-15 3:02 ` Keith Owens
2002-03-15 3:09 ` Richard Gooch
2002-03-15 18:04 ` Juan
2 siblings, 0 replies; 6+ messages in thread
From: Keith Owens @ 2002-03-15 3:02 UTC (permalink / raw)
To: Richard Gooch; +Cc: linux-kernel
On Thu, 14 Mar 2002 19:52:31 -0700,
Richard Gooch <rgooch@ras.ucalgary.ca> wrote:
> Hi, all. Here's a perverse problem: when the screen blanks (text
>console) with 2.4.18, the machine hangs. No ping response, no magic
>SysReq response. I didn't have this problem with 2.4.7.
>
>The command I used to configure screen blanking was:
>setterm -blank 10 -powerdown 0
>
>This is an Athalon 850 MHz on a Gigabyte GA-7ZM motherboard.
Any response with kdb + nmi watchdog + serial console? Sounds like a
lock problem, kdb + nmi watchdog normally lets you debug those.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: VGA blank causes hang with 2.4.18
2002-03-15 2:52 VGA blank causes hang with 2.4.18 Richard Gooch
2002-03-15 3:02 ` Keith Owens
@ 2002-03-15 3:09 ` Richard Gooch
2002-03-15 18:04 ` Juan
2 siblings, 0 replies; 6+ messages in thread
From: Richard Gooch @ 2002-03-15 3:09 UTC (permalink / raw)
To: Keith Owens; +Cc: linux-kernel
Keith Owens writes:
> On Thu, 14 Mar 2002 19:52:31 -0700,
> Richard Gooch <rgooch@ras.ucalgary.ca> wrote:
> > Hi, all. Here's a perverse problem: when the screen blanks (text
> >console) with 2.4.18, the machine hangs. No ping response, no magic
> >SysReq response. I didn't have this problem with 2.4.7.
> >
> >The command I used to configure screen blanking was:
> >setterm -blank 10 -powerdown 0
> >
> >This is an Athalon 850 MHz on a Gigabyte GA-7ZM motherboard.
>
> Any response with kdb + nmi watchdog + serial console? Sounds like
> a lock problem, kdb + nmi watchdog normally lets you debug those.
This box isn't set up for serial console. It's a production box, and
it's running jobs again :-)
Besides, until kdb is integrated into the kernel, I'm not likely to
use it (yeah, I know, hell will have to freeze over first).
Regards,
Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: VGA blank causes hang with 2.4.18
2002-03-15 2:52 VGA blank causes hang with 2.4.18 Richard Gooch
2002-03-15 3:02 ` Keith Owens
2002-03-15 3:09 ` Richard Gooch
@ 2002-03-15 18:04 ` Juan
2002-03-15 19:15 ` Alan Cox
2002-03-16 1:22 ` Richard Gooch
2 siblings, 2 replies; 6+ messages in thread
From: Juan @ 2002-03-15 18:04 UTC (permalink / raw)
To: Richard Gooch; +Cc: linux-kernel
Richard Gooch escribió:
>
> Hi, all. Here's a perverse problem: when the screen blanks (text
> console) with 2.4.18, the machine hangs. No ping response, no magic
> SysReq response. I didn't have this problem with 2.4.7.
>
> The command I used to configure screen blanking was:
> setterm -blank 10 -powerdown 0
>
> This is an Athalon 850 MHz on a Gigabyte GA-7ZM motherboard.
>
> I managed to waste a few hours chasing this, wondering why the machine
> hung a while after boot. Of course, I first blamed the jobs that were
> started on it soon after boot. Turns out the jobs are not to blame!
>
> Regards,
>
> Richard....
I have had a similar problem for a long time with different versions of
Linux kernel.
This problem rarely occurs and it always does when I am in a text
console. MagicSysRq does not help :-(.
Bye!!!!
--
D. Juan Piernas Cánovas
Departamento de Ingeniería y Tecnología de Computadores
Facultad de Informática. Universidad de Murcia
Campus de Espinardo - 30080 Murcia (SPAIN)
Tel.: +34968367657 Fax: +34968364151
email: piernas@ditec.um.es
PGP public key:
http://pgp.rediris.es:11371/pks/lookup?search=piernas%40ditec.um.es&op=index
*** Por favor, envíeme sus documentos en formato texto, HTML, PDF o
PostScript :-) ***
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: VGA blank causes hang with 2.4.18
2002-03-15 18:04 ` Juan
@ 2002-03-15 19:15 ` Alan Cox
2002-03-16 1:22 ` Richard Gooch
1 sibling, 0 replies; 6+ messages in thread
From: Alan Cox @ 2002-03-15 19:15 UTC (permalink / raw)
To: Juan; +Cc: Richard Gooch, linux-kernel
> I have had a similar problem for a long time with different versions of
> Linux kernel.=20
> This problem rarely occurs and it always does when I am in a text
> console. MagicSysRq does not help :-(.
Typical that indicates APM problems. Does the hang occur with APM disabled ?
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: VGA blank causes hang with 2.4.18
2002-03-15 18:04 ` Juan
2002-03-15 19:15 ` Alan Cox
@ 2002-03-16 1:22 ` Richard Gooch
1 sibling, 0 replies; 6+ messages in thread
From: Richard Gooch @ 2002-03-16 1:22 UTC (permalink / raw)
To: Alan Cox; +Cc: Juan, linux-kernel
Alan Cox writes:
> > I have had a similar problem for a long time with different versions of
> > Linux kernel.=20
> > This problem rarely occurs and it always does when I am in a text
> > console. MagicSysRq does not help :-(.
>
> Typical that indicates APM problems. Does the hang occur with APM
> disabled ?
Might be a while before I can answer that, since long-term jobs are
running on the box again. I can tell you that APM was enabled when
screen blanking hung the box.
Regards,
Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca
^ permalink raw reply [flat|nested] 6+ messages in thread
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2002-03-15 2:52 VGA blank causes hang with 2.4.18 Richard Gooch
2002-03-15 3:02 ` Keith Owens
2002-03-15 3:09 ` Richard Gooch
2002-03-15 18:04 ` Juan
2002-03-15 19:15 ` Alan Cox
2002-03-16 1:22 ` Richard Gooch
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