Messages in this thread | | | Subject | Re: [Xen-devel] Re: OOPS and panic on 2.6.29-rc1 on xen-x86 | From | Christophe Saout <> | Date | Tue, 13 Jan 2009 10:25:31 +0100 |
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Hi Bryan,
> I've bisected the bug in question, and the faulty commit appears to be: > commit e97a630eb0f5b8b380fd67504de6cedebb489003 > Author: Nick Piggin <npiggin@suse.de> > Date: Tue Jan 6 14:39:19 2009 -0800 > > mm: vmalloc use mutex for purge > > The vmalloc purge lock can be a mutex so we can sleep while a purge is > going on (purge involves a global kernel TLB invalidate, so it can take > quite a while). > > Signed-off-by: Nick Piggin <npiggin@suse.de> > Signed-off-by: Andrew Morton <akpm@linux-foundation.org> > Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> > > The bug is easily reproducable by a kernel build on -j4 - it will > generally OOPS and panic before the build completes. > Also, I've tested it with ext3, and it still occurs, so it seems > unrelated to btrfs at least :)
Nice!
Reverting this also fixes the BUG() I was seeing when testing the Dom0 patches on 2.6.29-rc1+tip. It just ran stable for an hour compiling gimp and playing music on my notebook (and then I had to leave).
Thanks, Christophe
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