[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle kernel paging request
On Thu, Dec 2, 2010 at 10:28 AM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > On 12/02/2010 10:05 AM, Bruce Edge wrote: >> On Thu, Dec 2, 2010 at 6:41 AM, Bruce Edge <bruce.edge@xxxxxxxxx> wrote: >>> >>> On Wed, Dec 1, 2010 at 10:33 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> >>> wrote: >>>> On 12/01/2010 01:32 PM, Bruce Edge wrote: >>>>> I just checked the recently released 2.6.73-rc4, >>>> Do you mean mainline 2.6.37-rc4, or the one in xen/next-2.6.37? >>> mainline >>> >>>>> and while the BUG >>>>> signature is different, it still fails under NFS accesses. This is >>>>> 100% recreatable. >>>> Please try this patch which is queued up for mainline. It's already in >>>> xen/next-2.6.37. >>> After testing the mainline .37 I also tried xen/next-2.6.37 with the same >>> result. At least, I still hit a BUG after accessing an NFS mount. I didn't >>> compare the stack, but the BUG condition looked the same. >>> I'll reconfirm the location and traceback of the xen/next kernel. >>> >>> -Bruce >>> >>> >> I re-ran the test with xen/next-2.6.37. The fault was a bit different this >> time. >> The dom0 started spewing these as the domU appeared to hang: > > OK, these look like exactly the sort of symptoms which should be fixed > by that patch, so assuming you're actually running the right kernel > (worth checking! I get bitten by this occasionally), there's something > else going on here. You're right, my branch was a day out of date. I didn't have the last changes to: arch/x86/xen/grant-table.c | 28 +++++--- arch/x86/xen/mmu.c | 124 ++++++++++-------------------- include/linux/mm.h | 6 ++ include/linux/vmalloc.h | 2 - mm/memory.c | 56 ++++++++++---- mm/vmalloc.c | 182 ++++++++++++++------------------------------ rebuilding with great expectations now :-) -Bruce > > What NFS version are you using, and other parameters? What is the NFS > server? What's the file access pattern going on? > > Thanks, > J > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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