Hi Greg, Chris, Arne, hi everyone, Am Freitag, 16. März 2012 schrieb Martin Steigerwald: > Am Donnerstag, 15. März 2012 schrieb Chris Mason: > > On Thu, Mar 15, 2012 at 06:32:19PM +0100, Martin Steigerwald wrote: > > > Am Samstag, 25. Februar 2012 schrieb Arne Jansen: > > > > On 02/24/12 16:51, Martin Steigerwald wrote: > > > > > Am Samstag, 21. Januar 2012 schrieb Martin Steigerwald: > > > > >> Am Samstag, 21. Januar 2012 schrieb Martin Steigerwald: > > > > >>> I still have this with 3.2.0-1-pae - which is a debian kernel > > > > >>> based on 3.2.1. > > > > >>> > > > > >>> When I do btrfs scrub start / the machine locks immediately > > > > >>> up hard. > > > > >>> > > > > >>> 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. > > […] > > > > > >> I now tested scrubbing /home which is a different BTRFS > > > > >> filesystem on the same machine. > > > > >> > > > > >> Then the scrub is started, scrub status tells me so, but > > > > >> nothing happens, no block in/out activity in vmstat, no CPU > > > > >> related activity in top. > > > > >> > > > > >> btrfs scrub cancel then hangs, but not the complete machine, > > > > >> only the process. > > > > >> > > > > >> I had this once on my T520 with the internal Intel SSD 320 as > > > > >> well. The other time it worked. > > > > >> > > > > >> Well maybe that is due to BTRFS doing something else on my T23 > > > > >> now: > > > > >> > > > > >> deepdance:~> ps aux | grep ino-cache | grep -v grep > > > > >> root 1992 5.5 0.0 0 0 ? D 12:15 > > > > >> 0:09 [btrfs- ino-cache] > > […] > > > > > >> At least it doesn´t lock up hard, so there might really be > > > > >> something strange with /. > > > > > > > > > > FWIW a btrfs filesystem balance / does work. After this a btrfs > > > > > scrub start / still locks the kernel. > > > > > > > > Hi Martin, > > > > > > > > I just sent 2 patches to the list. Could you please test if these > > > > fix your problem with scrub? > > > > > > I didn´t yet test it but I tried the first balance then scrub stuff > > > > > again: > > Looks like you're on a 32 bit machine. The current for-linus branch > > 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 <martin@xxxxxxxxxxxx> […] Would that patch Btrfs: fix casting error in scrub reada code http://git.kernel.org/?p=linux/kernel/git/mason/linux- btrfs.git;a=commit;h=a175423c831ea582c06784d1e172d2ce1d79923a (sorry for line break. KMail insists on it even when I disable line breaks due to the minus sign in the URL.) that I tested above be something for stable? To my knowledge Debian Wheezy and Ubuntu 12.04 LTS will have 3.2. Thanks, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
