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    SubjectRe: 2.6.23-rc4-mm1 and -rc6-mm1: boot failure on HP nx6325, related to clockevents
    Date
    On Tuesday, 25 September 2007 14:28, Thomas Gleixner wrote:
    > On Tue, 2007-09-25 at 14:20 +0200, Rafael J. Wysocki wrote:
    > > > > > As i can see from the log, you are booting on computer with dualcore AMD
    > > > > > processor. Do you have C1E feature enabled?
    > >
    > > That's possible, how to check?
    > >
    > > > > > i386 kernel disable lapic on dualcore AMD with C1E support (see
    > > > > > http://lkml.org/lkml/2007/3/29/199). x86_64 kernel do not have this
    > > > > > patch still (it's required for tickless kernel only).
    > > > >
    > > > > Well it is required for non tickless mode as well.
    > > > >
    > > > > > As result, if
    > > > > > you run x86_64 kernel with hrt patch on such computer, the system
    > > > > > will stall during boot on lapic timer calibration.
    > > > >
    > > > > Thanks for the reminder. I have a look into this.
    > > >
    > > > Can you please boot mainline and provide the output of:
    > > >
    > > > # cat /proc/interrupts; sleep 10; cat /proc/interrupts
    > >
    > > albercik:~ # cat /proc/interrupts; sleep 10; cat /proc/interrupts
    > > CPU0 CPU1
    > > 0: 1159492 0 local-APIC-edge timer
    > > LOC: 0 1158220 Local interrupts
    > >
    > > 0: 1161996 0 local-APIC-edge timer
    > > LOC: 0 1160723 Local interrupts
    >
    > Hmm. That's strange. It looks like the local apic timer is not used, but
    > x86_64 definitely lacks the above check.

    Ouch, sorry. This is from the kernel booted with "noapictimer".

    I'll get the correct output in a little while.

    Greetings,
    Rafael
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