linux-kernel - Re: Kernel panic at boot with ondemand governor as default (2.6.24-rc2)

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Date:	Sun, 11 Nov 2007 14:45:23 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Eric Piel <Eric.Piel@...l.fr>
Cc:	Thomas Renninger <trenn@...e.de>, linux-kernel@...r.kernel.org,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	Dave Jones <davej@...hat.com>
Subject: Re: Kernel panic at boot with ondemand governor as default
 (2.6.24-rc2)

On Sun, 11 Nov 2007 20:10:23 +0100
Eric Piel <Eric.Piel@...l.fr> wrote:

> Hello,
> 
> I've tried kernel 2.6.24-rc2 and I have a problem with the new option 
> for setting up the cpufreq ondemand governor as default: a kernel
> panic happens early at boot time. If I boot first with performance
> governor and later change to ondemand, everything is fine (as usual).
> 
> This seems related to the delayed_workqueue. The kernel panic message 
> finishes by:
> EIP: [<c012aa60>] wq_per_cpu+0x0/0x10 SS:ESP 0068:c191be58
> Kernel panic - not syncing: Attempted to kill init!
> 
> A picture of the whole message is available here:
> http://pieleric.free.fr/unorder/1162-ondemand-panic.jpg
> 
> My computer is a x86 using speedstep-ich, and you can find the full 
> .config leading to the panic attached.
> 
> Does anyone has any idea was it going wrong?
> Thanks,
> Eric
> 
> PS: I haven't tried 2.6.24-rc1.
> 

has ondemand ever worked for you?


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