From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe - Profihost AG Subject: Re: KVM/RBD Block device hangs Date: Tue, 22 May 2012 14:47:09 +0200 Message-ID: <4FBB8ACD.8040401@profihost.ag> References: <4FBA54E2.3000703@profihost.ag> <4FBA559D.7040902@widodh.nl> <4FBA5647.40101@profihost.ag> <4FBA584F.7070406@widodh.nl> <4FBAAAC2.3020600@profihost.ag> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail.profihost.ag ([85.158.179.208]:35573 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751570Ab2EVMrF (ORCPT ); Tue, 22 May 2012 08:47:05 -0400 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Gregory Farnum Cc: Wido den Hollander , "ceph-devel@vger.kernel.org" Am 21.05.2012 22:57, schrieb Gregory Farnum: > On Mon, May 21, 2012 at 1:51 PM, Stefan Priebe wrote: >> Am 21.05.2012 16:59, schrieb Wido den Hollander: >> >>> Probably after, but both is fine. I just want to know how your cluster >>> is doing and what the PG states are. >> >> will do so. >> >> dmesg says at least: >> [ 4975.850765] ceph-osd[6226]: segfault at 439d34000 ip 00007f0db39bfb23 sp >> 00007f0da8c5e240 error 4 in libtcmalloc.so.0.0.0[7f0db399b000+3d000] > > This is not an error we've seen before, and it's a little scary. Can you > 1) run gdb and get a backtrace and a printout of each frame in the trace? > 2) reproduce with high-level OSD debug logging enabled? I haven't seen this problem again with v0.47 i will report back if i see it again. Stefan