From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arne Jansen Subject: Re: 3.2-rc4: scrubbing locks up the kernel, then hung tasks on boot Date: Tue, 24 Jan 2012 10:28:11 +0100 Message-ID: <4F1E79AB.10206@gmx.net> References: <201112171833.34720.Martin@lichtvoll.de> <201112202146.32265.Martin@lichtvoll.de> (sfid-20111220_235230_709484_89771306) <201201211149.53403.Martin@lichtvoll.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: linux-btrfs@vger.kernel.org To: Martin Steigerwald Return-path: In-Reply-To: <201201211149.53403.Martin@lichtvoll.de> List-ID: On 21.01.2012 11:49, Martin Steigerwald wrote: > Am Dienstag, 20. Dezember 2011 schrieb Martin Steigerwald: > > When I do btrfs scrub start / the machine locks immediately up hard. Can you please give me the output of sysrq-w when the machine is locked up? Thanks, Arne > > Then usually on next boot it stops on space_cache enabled message, but not > the one for /, but the one for /home which is mounted later. > > When I then boot with 3.1 it works. BTRFS redos the space_cache then while > the machine takes ages to boot - I mean ages - 10 minutes till KDM prompt > is no problem there. > > I thought I just mention it here. > > Since I got no hints on what to do, I probably redo both filesystems on the > machine. Should that not work out, I switch the box to Ext4. > > btrfs filesystem scrub works on my ThinkPad T520 with 64-bit debian and > Intel SSD 320 and one 2,5 inch external drive as well as a 3,5 inch > external backup drive both via eSATA, so this seems to be no principal > issue. It also works on a workstation at work which has 32-bit debian as > well. > > Thanks,