* Ingo Molnar <[EMAIL PROTECTED]> wrote: > hm, perhaps it's due to the xtime lock dependency: > > do { > seq = read_seqbegin(&xtime_lock); > getnstimeofday(ts); > tomono = wall_to_monotonic; > > } while (read_seqretry(&xtime_lock, seq)); > > perhaps your system somehow generates a printk from within an > xtime_lock locked section?
i _bet_ it's these printks that cause your lockup: [ 10.313437] Marking TSC unstable due to: cpufreq changes. [ 10.313437] Time: hpet clocksource has been installed. [ 10.424431] Clocksource tsc unstable (delta = -121609771 ns) as these are done with the xtime lock held. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/