Re: [BUG] ext4 null pointer crash in linux-next

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On Mon, Oct 08, 2018 at 03:54:35PM -0400, valdis.kletnieks@xxxxxx wrote:
> I'm seeing a fairly replicable crash/hang with a traceback implicating ext4 (or
> possibly the block layer). next-20180918 seemed stable, but next-20180926 and
> -next-20181005 have a habit of crashing while dnf is updating software (so far,
> I've hit it 6 times with identical tracebacks while attempting to update software
> 
> This ringing any bells, or did I just buy myself another git bisect? Google says
> that ext4_mpage_readpages from the traceback hasn't been referenced in the
> last 2 months...

I'm afraid you're going to have to do a git bisect.  I've been doing
full regression tests of ext4.git and nothing like this has turned up.

Instead of doing a full bisect, maybe try doing the ext4.git tree by
itself, and the block.git tree by itself, and maybe those two trees
merged together?

						- Ted



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