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Message-ID: <86802c440801161339h4e3e983co67e05a231666d050@mail.gmail.com> Date: Wed, 16 Jan 2008 13:39:42 -0800 From: "Yinghai Lu" <yhlu.kernel@...il.com> To: "Balaji Rao" <balajirrao@...il.com> Cc: "Ingo Molnar" <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org> Subject: Re: hpet_late_init hang On Jan 16, 2008 12:34 AM, Balaji Rao <balajirrao@...il.com> wrote: > On Wednesday 16 January 2008 12:21:33 pm Ingo Molnar wrote: > Hi Ingo, > > * Yinghai Lu <yhlu.kernel@...il.com> wrote: > > > " > > > commit e5ed385fa0d6f35406e3e3ed75e5eb9adeb811df > > > Author: Balaji Rao <balajirrao@...il.com> > > > Date: Tue Jan 15 16:53:29 2008 +0100 > > > > > > Assign IRQs to HPET Timers > > > " > > > in x86.git > > > > > > cause my servers hang > > > after > > > Calling initcall 0xffffffff80b9a465: hpet_late_init+0x0/0x100() .. > Looks like IRQ 31 is assigned to timer 3, even without the patch! I wonder who wrote the number 31. But the manual says > that it is zero by default. > > I think we should check whether the timer has been allocated an IRQ before proceeding to assign one to it. > Here is a patch that does this. > > Yinghai, could you please apply this on top of my patch and check ? > > --- > Index: linux-2.6/arch/x86/kernel/hpet.c > =================================================================== > --- linux-2.6.orig/arch/x86/kernel/hpet.c ... > it works YH -- 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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