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

Eric Piel
2007-11-12T00:42:45Z

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