From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olivier Bonvalet Subject: Re: Issue #5876 : assertion failure in rbd_img_obj_callback() Date: Wed, 26 Mar 2014 00:04:55 +0100 Message-ID: <1395788695.2076.35.camel@localhost> References: <1395736765.2823.29.camel@localhost> <53317BC2.9010700@ieee.org> <1395753516.2823.37.camel@localhost> <533184AF.9050101@ieee.org> <5331853D.40408@ieee.org> <1395767705.9967.5.camel@localhost> <5331C05D.1060008@ieee.org> <1395773582.2076.10.camel@localhost> <5331D2E8.6060002@ieee.org> <1395778894.2076.12.camel@localhost> <1395780835.2076.15.camel@localhost> <1395781847.2076.21.camel@localhost> <1395782577.2076.23.camel@localhost> <1395783675.2076.26.camel@localhost> <1395784476.2076.28.camel@localhost> <1395785839.2076.30.camel@localhost> <5332075F.8080105@ieee.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from licorne.daevel.fr ([178.32.94.222]:43919 "EHLO licorne.daevel.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751682AbaCYXFJ (ORCPT ); Tue, 25 Mar 2014 19:05:09 -0400 In-Reply-To: <5332075F.8080105@ieee.org> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Alex Elder Cc: Ilya Dryomov , Ceph Development Le mardi 25 mars 2014 =C3=A0 17:46 -0500, Alex Elder a =C3=A9crit : > On 03/25/2014 05:17 PM, Olivier Bonvalet wrote: > >=20 > > I now have this one very often (here 5 minutes after the host boot)= : >=20 > I am fairly sure this indicates a use-after-free scenario, > likely caused by something getting deleted before every > user was done with it. >=20 > I believe Ilya is done for the night; I'm going to spend some > time looking at this to try to determine the cause. If you > are willing I'd love to have you try whatever fix I come up > with. I'd rather find a fix than just collect more information, > but I may need to get more, we'll see. >=20 > Thank you for all your reports, they help a lot. >=20 > -Alex Ok. I can apply some patch to help debug that yes. I will try to reproduce on a different host, without customer data. But I think I will stop here for the night too. Thanks for your time, Olivier -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html