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From: Andrew Morton <akpm@digeo.com>
To: Justin A <ja6447@albany.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.47-ac4 panic on boot.
Date: Fri, 15 Nov 2002 00:28:15 -0800	[thread overview]
Message-ID: <3DD4B01F.B3C1DCDC@digeo.com> (raw)
In-Reply-To: 200211150254.25306.ja6447@albany.edu

Justin A wrote:
> 
> I did that...
> Disabling PM made it boot:
> 
> < CONFIG_PM=y
> < CONFIG_APM=m
> < # CONFIG_APM_IGNORE_USER_SUSPEND is not set
> < CONFIG_APM_DO_ENABLE=y
> < CONFIG_APM_CPU_IDLE=y
> < CONFIG_APM_DISPLAY_BLANK=y
> < # CONFIG_APM_RTC_IS_GMT is not set
> < # CONFIG_APM_ALLOW_INTS is not set
> < # CONFIG_APM_REAL_MODE_POWER_OFF is not set
> ---
> > # CONFIG_PM is not set
> 
> I think I still had swsusp on before I disabled PM...I will have to test more
> tomorrow to make sure thats it...
> Perhaps its the CONFIG_APM_CPU_IDLE that did it?

Could be...

> I had tried linux init=/bin/sh, which got to the shell, then 2 seconds later
> paniced, so I have a feeling its the idle thingy:)

slab runs a timer every couple of seconds to drain caches which could
otherwise be wasted-for-ever memory.  So it looks like we don't get
to find out about abuse until much later.  Damn.

Oh, it'd be interesting to enable memory debugging under the kernel-hacking
menu - that may trap the bug when it's happening.

  reply	other threads:[~2002-11-15  8:21 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-15  5:59 2.5.47-ac4 panic on boot Justin A
2002-11-15  6:33 ` Andrew Morton
2002-11-15  7:54   ` Justin A
2002-11-15  8:28     ` Andrew Morton [this message]
2002-11-15 22:12       ` Justin A
2002-11-15 22:16         ` Andrew Morton
2002-11-15 22:59           ` Justin A
2002-11-15 22:02     ` Samuli Suonpaa
2002-11-15 22:36       ` Justin A

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