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Open Source and information security mailing list archives
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Date: Fri, 8 Apr 2011 21:56:54 -0500 From: Rob Landley <rlandley@...allels.com> To: Jens Axboe <jaxboe@...ionio.com> CC: Pete Clements <clem@...m.clem-digital.net>, linux-kernel <linux-kernel@...r.kernel.org>, "linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>, Tejun Heo <tj@...nel.org> Subject: Re: Commit 7eaceaccab5f40 causing boot hang. On 03/31/2011 06:09 AM, Jens Axboe wrote: > On 2011-03-31 12:47, Rob Landley wrote: >> On 03/31/2011 05:37 AM, Jens Axboe wrote: >>>>>> Can you send me your .config? >>>>> >>>>> It was attached to the first message in this series, here it is again. >>>>> >>>>> I update it via "make oldconfig" and hold down return. >>>>> >>>>> I boot it via: >>>>> >>>>> qemu-system-x86_64 -m 1024 -kernel arch/x86/boot/bzImage \ >>>>> -hda ~/sid.ext3 -append "root=/dev/hda rw" >>>> >>>> Much better, I see the hang now! Now to try and diagnose... >>> >>> It seems to hard hang, looks very odd: >> >> I should have mentioned that: when it hangs, you can't page back up in >> the console display anymore. > > Data point - only seems to happen on UP. If you add -smp X to kvm, then > it boots and works just fine. It smells oddly like some sort of irq > event. > The workaround for this is to disable preemption, by the way. Rob -- 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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