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On Sat, 2006-06-24 at 21:25 +0200, Björn Steinbrink wrote: > On 2006.06.24 18:23:12 +0200, Mike Galbraith wrote: > > > > let's see. Yeah, confirmed. > > OK, it also depends on IO APIC being enabled and active, ie. noapic on > the kernel command line will fix it as well as disabling > CONFIG_X86_IO_APIC. That doesn't help me at all to understand why it > happens though. Ditto. > The only difference with IO APIC disabled seems to be that the irq > doesn't get ACKed before update_process_times() gets called. > And your "fix" makes it being called outside of the xtime_lock spinlock > and with a slightly different stack usage AFAICT. (it's still under the xtime lock) > But none of these should make a difference, right? Not that I can see, but then it's pretty dark down here. Anybody got a flashlight I can borrow? ;-) -Mike - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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