> -----Original Message----- > From: linux-btrfs-owner@xxxxxxxxxxxxxxx [mailto:linux-btrfs- > owner@xxxxxxxxxxxxxxx] On Behalf Of David Sterba > Sent: Sunday, 24 September 2017 11:46 PM > To: Liu Bo <bo.li.liu@xxxxxxxxxx> > Cc: linux-btrfs@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 1/2] Btrfs: fix kernel oops while reading compressed > data > > On Wed, Sep 20, 2017 at 05:50:18PM -0600, Liu Bo wrote: > > The kernel oops happens at > > > > kernel BUG at fs/btrfs/extent_io.c:2104! > > ... > > RIP: clean_io_failure+0x263/0x2a0 [btrfs] > > > > It's showing that read-repair code is using an improper mirror index. > > This is due to the fact that compression read's endio hasn't recorded > > the failed mirror index in %cb->orig_bio. > > > > With this, btrfs's read-repair can work properly on reading compressed > > data. > > > > Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx> > > Reported-by: Paul Jones <paul@xxxxxxxxxxxxxxx> > > Reviewed-by: David Sterba <dsterba@xxxxxxxx> Tested-by: <paul@xxxxxxxxxxxxxxx> For both patches. I caused the same thing to happen again, this time by unplugging the wrong hard drive. Applied the patches and problem (BUG_ON) is gone. Should this also go to stable? Seems like a rather glaring problem to me. Paul. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
