Messages in this thread | | | Date | Wed, 01 Oct 2014 23:32:15 -0400 | From | Sasha Levin <> | Subject | Re: pipe/page fault oddness. |
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On 10/01/2014 06:28 PM, Chuck Ebbert wrote: > On Wed, 01 Oct 2014 18:08:30 -0400 > Sasha Levin <sasha.levin@oracle.com> wrote: > >> > On 10/01/2014 04:20 PM, Linus Torvalds wrote: >>> > > So I'm really sending this patch out in the hope that it will get >>> > > comments, fixup and possibly even testing by people who actually know >>> > > the NUMA balancing code. Rik? Anybody? >> > >> > Hi Linus, >> > >> > I've tried this patch on the same configuration that was triggering >> > the VM_BUG_ON that Hugh mentioned previously. Surprisingly enough it >> > ran fine for ~20 minutes before exploding with: >> > >> > [ 2781.566206] kernel BUG at mm/huge_memory.c:1293! > That's: > BUG_ON(is_huge_zero_page(page)); > > Can you change your scripts to show the source code line when > the error is a BUG_ON()? The machine code disassembly after the > oops message doesn't really help. >
Hum? The source code line is the first line in the trace:
[ 2781.566206] kernel BUG at mm/huge_memory.c:1293!
Thanks, Sasha
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