Messages in this thread | | | Subject | Re: btrfs bio linked list corruption. | From | Chris Mason <> | Date | Tue, 11 Oct 2016 11:20:41 -0400 |
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On 10/11/2016 11:19 AM, Dave Jones wrote: > On Tue, Oct 11, 2016 at 04:11:39PM +0100, Al Viro wrote: > > On Tue, Oct 11, 2016 at 10:45:08AM -0400, Dave Jones wrote: > > > This is from Linus' current tree, with Al's iovec fixups on top. > > > > Those iovec fixups are in the current tree... > > ah yeah, git quietly dropped my local copy when I rebased so I didn't notice. > > > TBH, I don't see anything > > in splice-related stuff that could come anywhere near that (short of > > some general memory corruption having random effects of that sort). > > > > Could you try to bisect that sucker, or is it too hard to reproduce? > > Only hit it the once overnight so far. Will see if I can find a better way to > reproduce today.
This call trace is reading metadata so we can finish the truncate. I'd say adding more memory pressure would make it happen more often.
I'll try to trigger.
-chris
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