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    SubjectRe: Kernel panic at boot with ondemand governor as default (2.6.24-rc2)
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    On Sun, 2007-11-11 at 20:10 +0100, Eric Piel 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?

    Does it work if you compile speedstep-ich as a module?
    If you load it, ondemand governor should still be set up automatically.
    If this works, could it be that the kernel does not like that
    queue_delayed_work_on is called that early?

    Thomas

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