[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] 4.2.3 - xen: vector 0x2 is not implemented
On 9/10/2013 2:56 AM, Boris Ostrovsky wrote: > On 10/08/2013 10:41 AM, Steven Haigh wrote: >> On 10/09/2013 01:31 AM, Boris Ostrovsky wrote: >>> On 10/08/2013 08:42 AM, Ian Campbell wrote: >>>> On Tue, 2013-10-08 at 10:50 +1100, Steven Haigh wrote: >>>>> Hi all, >>>>> >>>>> I've had a report of a host starting to give this output: >>>>> Oct 7 19:36:37 kernel: INFO: rcu_sched self-detected stall on CPU { 2} >>>>> (t=273561 jiffies g=17919 c=17918 q=9688) >>>>> Oct 7 19:36:37 kernel: sending NMI to all CPUs: >>>>> Oct 7 19:36:37 kernel: xen: vector 0x2 is not implemented >>>> This bit is just a symptom triggered by the initial rcu stall which is >>>> your real problem. >>>> >>>> That said I thought the NMI thing was fixed recently, which might have >>>> gotten you better debugging on the rcu problem. >>> This went into v3.12-rc1 (commit 6efa20e). >>> >>> Steven, can you try your test with newer kernels that have this fix? >>> With >>> it we should be able to see where the stall is happening. >> Sadly I can't easily rebuild this to 3.12. Is it possible to get a >> version / patch / commit that will work with 3.11.x? > > I am not sure I understand what you are asking for. A backport of the > patch to 3.11.x so that you apply it on top of your sources and build it > yourself? Correct. I have a buildroot set up for building 3.11.x into RPMs that would take a lot of work to change to 3.12. As this is a problem with 3.11 as well (as I don't run or provide 3.12 anywhere), I'd like to test the fix on 3.11. Eventually, it will need to be fixed in the 3.11 series as well. -- Steven Haigh Email: netwiz@xxxxxxxxx Web: https://www.crc.id.au Phone: (03) 9001 6090 - 0412 935 897 Fax: (03) 8338 0299 Attachment:
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