From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olivier Bonvalet Subject: Issue #5876 : assertion failure in rbd_img_obj_callback() Date: Tue, 25 Mar 2014 09:39:25 +0100 Message-ID: <1395736765.2823.29.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from licorne.daevel.fr ([178.32.94.222]:60178 "EHLO licorne.daevel.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754075AbaCYIpD (ORCPT ); Tue, 25 Mar 2014 04:45:03 -0400 Received: from local.plusdinfo.com ([82.232.160.30] helo=[192.168.0.10]) by licorne.daevel.fr with esmtpsa (SSL3.0:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1WSMtL-0001C7-6d for ceph-devel@vger.kernel.org; Tue, 25 Mar 2014 09:39:27 +0100 Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org Hi, what can/should I do to help fix that problem ? for now, RBD kernel client hang on : Assertion failure in rbd_img_obj_callback() at line 2131: rbd_assert(which >= img_request->next_completion); or on : Assertion failure in rbd_img_obj_callback() at line 2127: rbd_assert(img_request != NULL); I have both case at least once per week, on latest 3.13.5 kernels. It seems that the problem occurs only on more loaded servers (I have 4 near same servers, and crash occurs on two of them. If I move the VM, crash follows...). Olivier