Re: XFS: Assertion failed: first <= last && last < BBTOB(bp->b_length), file: fs/xfs/xfs_trans_buf.c, line: 568

[Mark Tinguely <tinguely@xxxxxxx>]

On 08/23/13 08:30, Brian Foster wrote:
> On 08/23/2013 09:18 AM, Mark Tinguely wrote:
> > On 08/22/13 13:28, Brian Foster wrote:
> > > Hi all,
> > >
> > > I hit an assert on a debug kernel while beating on some finobt work and
> > > eventually reproduced it on unmodified/TOT xfs/xfsprogs as of today. I
> > > hit it through a couple different paths, first while running fsstress on
> > > a CRC enabled filesystem (with otherwise default mkfs options):
> > >
> > > (These tests are running on a 4p, 4GB VM against a 100GB virtio disk,
> > > hosted on a single spindle desktop box).
> > Eeek.
> >
> > So both crashes are directory related. What is the top XFS kernel commit
> > for these tests?
> Hi Mark,
>
> It was the latest from at some point yesterday. I don't think I've
> pulled since, so I'm at:
>
> 3e3c51ce xfs: add xfs sb v4 support for dirent filetype field
>
> > Have you seen this on earlier versions of the kernel?
> Well I hit an issue first on my dev. branch for finobt hacking, which is
> currently based on a slightly older commit:
>
> 2c2bcc07 xfs: call roundup_64() to calculate the min_logblks
>
> Unfortunately I don't have the precise error/stack from that failure on
> hand to double check whether it's the exact same failure. I can try to
> regenerate it a bit later today.
>
> Brian
>
> > Thanks,
> >
> > --Mark.
Good, I just want to make sure the common directory mods for the file 
type patch was not the cause. I will try to recreate it too.
Thanks.

--Mark.