On Sat, Oct 15, 2016 at 08:42:40PM -0400, Dave Jones wrote:
On Thu, Oct 13, 2016 at 05:18:46PM -0400, Chris Mason wrote:

> >  > > .. and of course the first thing that happens is a completely different
> >  > > btrfs trace..
> >  > >
> >  > >
> >  > > WARNING: CPU: 1 PID: 21706 at fs/btrfs/transaction.c:489 
start_transaction+0x40a/0x440 [btrfs]
> >  > > CPU: 1 PID: 21706 Comm: trinity-c16 Not tainted 4.8.0-think+ #14
> >  > >  ffffc900019076a8 ffffffffb731ff3c 0000000000000000 0000000000000000
> >  > >  ffffc900019076e8 ffffffffb707a6c1 000001e9f5806ce0 ffff8804f74c4d98
> >  > >  0000000000000801 ffff880501cfa2a8 000000000000008a 000000000000008a
> >  >
> >  > This isn't even IO.  Uuughhhh.  We're going to need a fast enough test
> >  > that we can bisect.
> >
> > Progress...
> > I've found that this combination of syscalls..
> >
> > ./trinity -C64 -q -l off -a64 --enable-fds=testfile -c fsync -c fsetxattr 
-c lremovexattr -c pwritev2
> >
> > hits one of these two bugs in a few minutes runtime.
> >
> > Just the xattr syscalls + fsync isn't enough, neither is just pwrite + 
fsync.
> > Mix them together though, and something goes awry.
> >
> Hasn't triggered here yet.  I'll leave it running though.

The hits keep coming..

BUG: Bad page state in process kworker/u8:12  pfn:4988fa
page:ffffea0012623e80 count:0 mapcount:0 mapping:ffff8804450456e0 index:0x9

Hmpf, I've had this running since Friday without failing. Can you send me your .config please?

-chris
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to