xfs
[Top] [All Lists]

Re: xfstests 250 fail on newer kernels

To: xfs@xxxxxxxxxxx
Subject: Re: xfstests 250 fail on newer kernels
From: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Date: Sat, 20 Oct 2012 08:24:05 -0300
In-reply-to: <20121019215343.GX2739@dastard>
Mail-followup-to: xfs@xxxxxxxxxxx
References: <20121019173730.GA23018@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20121019215343.GX2739@dastard>
User-agent: Mutt/1.5.21 (2010-09-15)
On Sat, Oct 20, 2012 at 08:53:43AM +1100, Dave Chinner wrote:
> On Fri, Oct 19, 2012 at 02:37:30PM -0300, Carlos Maiolino wrote:
> > Hi,
> > 
> > reviewing a patch to xfstests250, I ran it against newer kernels (3.6.0+ and
> > 3.7.0-rc1) and noticed it is failing. i.e. btree is getting corrupted. 
> 
> It's been failing on mainline kernels for a long time. In fact, i
> think it's been failing since it was created. But it's not failing
> due to btree corruption - it's failing because mkfs is not leaving
> enough space in the AG that contains the log for sanity checks to
> pass. i.e. that there are always a minimum of 4 blocks of freespace
> in an AG.
> 
> This is not actually a problem - the log takes the entire AG, so
> allocation will never occur in it, so having less than 4 blocks of
> free space in the AG is just noise in this case. It's never bubbled
> to the top of my list to fix...
> 
> > I'm going to take a look at it, but let me know if anybody has already
> > found/fixed it.
> 
> If it is failing the check_scratch_fs stage, then it is most likely
> the above issue. The corrupted btree problem that the test was
> writen for caused the system to ASSERT fail or crash - i.e. it
> didn't even run to the point of checking the fs....
> 
Yep, that was my point, it's failing on check_scratch_fs stage. The btree
problem has been fixed since it is not triggering the ASSERT. Didn't know it is
failing since its creation :)

I can add it to my todo list if you want some stuff out of yours

> 
> Dave.
> -- 
> Dave Chinner
> david@xxxxxxxxxxxxx
> 
> _______________________________________________
> xfs mailing list
> xfs@xxxxxxxxxxx
> http://oss.sgi.com/mailman/listinfo/xfs

-- 
--Carlos

<Prev in Thread] Current Thread [Next in Thread>