From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ric Wheeler Subject: Re: Hang running fs_mark Date: Thu, 25 Sep 2008 16:11:54 -0400 Message-ID: <48DBF08A.6050000@redhat.com> References: <20080925175643.GA14205@unused.rdu.redhat.com> <1222367822.7028.55.camel@think.oraclecorp.com> <20080925183435.GB14205@unused.rdu.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linux-btrfs@vger.kernel.org To: Josef Bacik , Chris Mason Return-path: In-Reply-To: <20080925183435.GB14205@unused.rdu.redhat.com> List-ID: Josef Bacik wrote: > On Thu, Sep 25, 2008 at 02:37:02PM -0400, Chris Mason wrote: > >> On Thu, 2008-09-25 at 13:56 -0400, Josef Bacik wrote: >> >>> Hello, >>> >>> Reporting this on behalf of ric. He was running the following fs_mark command >>> >>> ./fs_mark -d /mnt/test -s 20480 -D 64 -t 8 -F >>> >>> Seems it hung and wasn't making any progress. He managed to get some sysrq-t, >>> which is at http://people.redhat.com/jwhiter/fs-mark-hang.txt towards the bottom >>> of the document. He could ctrl+c and unmount the fs so its not a hard hang. >>> Looks like we've just locked up behind a page lock somewhere. I have to run off >>> to class so I can't look into it too deeply so throwing this out there hoping >>> somebody else figures it out :). Thanks, >>> >> Which kernel was this? >> >> >> > > Its 2.6.25.14-108.fc9.x86_64 and its kernel-unstable since yesterday I think he > said, its just shy whatever patches you've pushed into git recently, it has > yan's backref work plus a few other fixes. Thanks, > > Josef > I can fire off a new test with the latest from unstable if that is of interest, ric