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Date: Sat, 07 Apr 2007 10:51:05 +0200 From: Thomas Gleixner <tglx@...utronix.de> To: Ingo Molnar <mingo@...e.hu> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Soeren Sonnenburg <kernel@....de>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Len Brown <len.brown@...el.com> Subject: Re: [patch] high-res timers: UP resume fix On Sat, 2007-04-07 at 10:12 +0200, Ingo Molnar wrote: > Subject: [patch] high-res timers: UP resume fix > From: Ingo Molnar <mingo@...e.hu> > > Soeren Sonnenburg reported that upon resume he is getting > this backtrace: > > [<c0119637>] smp_apic_timer_interrupt+0x57/0x90 > [<c0142d30>] retrigger_next_event+0x0/0xb0 > [<c0104d30>] apic_timer_interrupt+0x28/0x30 > [<c0142d30>] retrigger_next_event+0x0/0xb0 > [<c0140068>] __kfifo_put+0x8/0x90 > [<c0130fe5>] on_each_cpu+0x35/0x60 > [<c0143538>] clock_was_set+0x18/0x20 > [<c0135cdc>] timekeeping_resume+0x7c/0xa0 > [<c02aabe1>] __sysdev_resume+0x11/0x80 > [<c02ab0c7>] sysdev_resume+0x47/0x80 > [<c02b0b05>] device_power_up+0x5/0x10 > > it turns out that on UP we mistakenly re-enable interrupts, > so do the timer retrigger only on the current CPU. > > Signed-off-by: Ingo Molnar <mingo@...e.hu> Acked-by: Thomas Gleixner <tglx@...utronix.de> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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