Messages in this thread | | | Date | Mon, 14 Sep 2009 17:37:20 +0200 | From | Martin Schwidefsky <> | Subject | Re: [crash, bisected] Re: clocksource: Resolve cpu hotplug dead lock with TSC unstable |
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On Mon, 14 Sep 2009 17:19:58 +0200 Ingo Molnar <mingo@elte.hu> wrote:
> Now another box crashes during bootup. Reverting these two: > > f79e025: clocksource: Resolve cpu hotplug dead lock with TSC unstable, fix crash > 7285dd7: clocksource: Resolve cpu hotplug dead lock with TSC unstable > > allows me to boot it. > > plain 32-bit defconfig.
I've seen the bug report. init_workqueues comes after smp_init. The idea I'm currently playing with is a simple check in the tsc code if the tsc clocksource is already registered or not. When smp_init is called the tsc is not yet registered, we could just set the rating to zero.
-- blue skies, Martin.
"Reality continues to ruin my life." - Calvin.
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