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

[Eric Piel <Eric.Piel@lifl.fr>]

2007年11月11日 23:45, Arjan van de Ven wrote/a écrit:
> On Sun, 11 Nov 2007 20:10:23 +0100
> Eric Piel <Eric.Piel@lifl.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.

> has ondemand ever worked for you?
Yes, ondemand works perfectly fine on this computer. The panic happens 
only if selecting it as the _default_ governor (which has been 
introduced by commit 1c2562459faedc35927546cfa5273ec6c2884cce).

Eric


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