On Mon, 26 May 2014 22:39:16 +0600 Roman Mamedov <rm@xxxxxxxxxxx> wrote: > On Mon, 26 May 2014 14:28:51 +0200 > David Bloquel <david.bloquel@xxxxxxxxxx> wrote: > > > [69537.117439] Not tainted 3.12-0.bpo.1-amd64 #1 > > Try upgrading to the kernel 3.14. From what I can tell it has significant > improvements/bugfixes in the snapshot deletion area. Just a couple of days ago > I got a recurring lock-up after deleting 50 snapshots with tens of thousands of > fragments of files in each (VM images, like in your case). Googled around a > little bit, and found a similar issue with a report that 3.14 solves the > problem. Upgraded to 3.14.4 (from 3.12.20), and voila, indeed it does. Oh, I missed that your freezing happens during snapshot creation, not deletion. But anyways, I think checking if the problem persists on the newest kernel is still a good idea. -- With respect, Roman
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