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: Fri, 16 Mar 2012 16:37:50 +0100 Message-ID: <4F635E4E.80802@gmx.net> References: <201112171833.34720.Martin@lichtvoll.de> <201203151832.19703.Martin@lichtvoll.de> <20120315174245.GV19217@shiny> (sfid-20120315_185259_074357_E09C1265) <201203161605.47792.Martin@lichtvoll.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: linux-btrfs@vger.kernel.org, Chris Mason To: Martin Steigerwald Return-path: In-Reply-To: <201203161605.47792.Martin@lichtvoll.de> List-ID: On 16.03.2012 16:05, Martin Steigerwald wrote: >> has an important fix for scrub on 32 bit that should solve this. > > So finally - the machine did make-kpkg over night and complained about > missing Documentation lguest, then I switched off lots from distro default > config and just did the usual make stuff - I was able to scrub both > partitions on that ThinkPad T23: > > deepdance:~> btrfs scrub status / > scrub status for 2bf5b1dc-1d89-4f0d-a561-1a5551a27275 > scrub started at Fri Mar 16 11:56:12 2012 and finished after 741 seconds > total bytes scrubbed: 9.62GB with 0 errors > > deepdance:~> btrfs scrub status /home > scrub status for a600de65-e1ab-4cbf-b150-bbaeaf9fa98d > scrub started at Fri Mar 16 12:00:31 2012 and finished after 1708 seconds > total bytes scrubbed: 36.63GB with 0 errors > > Thanks a lot for fixing this. > > Tested-by: Martin Steigerwald > > Arne, if you want me to test your two patches to readahead as well, please > tell me. Now since only a few files need to be recompiled it would be > quite easy to test them As Chris's patch already solves your problem, I think we're fine. The two patches are more important for future users of readahead. As I had them sitting in the queue there was a small hope they might help your problem ;) Thanks, Arne > > Next challenge is the slow performance at times. This morning as I booted > into the new kernel afterwards on tty it took at least 15 seconds of > heavy disk activity with hearable lots of seeks to just open a screen. > But thats something for a different thread. > > Thanks,