From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vojtech Pavlik Subject: Re: Bcache stuck at writeback of a key, consuming 100% CPU, not possible to detach Date: Mon, 7 Sep 2015 18:01:38 +0200 Message-ID: <20150907160138.GA5508@suse.com> References: <20150830085442.GA31722@suse.com> <20150905130658.Horde.bdSqYx_a293KuFa5vdTuajm@www3.nde.ag> <20150905112955.GA4078@suse.com> <20150907171318.Horde.LCssHlKH7jqwmHt1ENeCSCd@www3.nde.ag> <20150907155217.GA27227@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from jablonecka.jablonka.cz ([91.219.244.36]:40443 "EHLO jablonecka.jablonka.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750850AbbIGQBk (ORCPT ); Mon, 7 Sep 2015 12:01:40 -0400 Content-Disposition: inline In-Reply-To: <20150907155217.GA27227@suse.com> Sender: linux-bcache-owner@vger.kernel.org List-Id: linux-bcache@vger.kernel.org To: "Jens-U. Mozdzen" Cc: Kent Overstreet , linux-bcache@vger.kernel.org On Mon, Sep 07, 2015 at 05:52:17PM +0200, Vojtech Pavlik wrote: > I'm running the openSUSE most recent stable kernel, available here: > > http://download.opensuse.org/repositories/Kernel:/stable/standard/ > > It's currently at 4.2.0 and contains all of the above patches. I've > seen crashes in __find_stripe a couple times a few months apart on older > kernels, but these aren't likely related to bcache. Similar to this: > > https://bugzilla.kernel.org/show_bug.cgi?id=100321 And actually that should also be fixed by latest code from Neil: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49895bcc7e566ba455eb2996607d6fbd3447ce16 so bcache is exonerated for any crashes on my system in the past. -- Vojtech Pavlik Director SUSE Labs