From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:59553 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751363AbbEHKZK (ORCPT ); Fri, 8 May 2015 06:25:10 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YqfSs-0001gS-H6 for linux-btrfs@vger.kernel.org; Fri, 08 May 2015 12:25:06 +0200 Received: from p4ff58ffa.dip0.t-ipconnect.de ([79.245.143.250]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 08 May 2015 12:25:06 +0200 Received: from holger.hoffstaette by p4ff58ffa.dip0.t-ipconnect.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 08 May 2015 12:25:06 +0200 To: linux-btrfs@vger.kernel.org From: Holger =?iso-8859-1?q?Hoffst=E4tte?= Subject: Re: btrfs scrub under linux with ck-patchset - oops Date: Fri, 8 May 2015 10:25:00 +0000 (UTC) Message-ID: References: <20150508101002.GA3945@sune> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Fri, 08 May 2015 11:10:02 +0100, Leonidas Spyropoulos wrote: > Does anyone experience issues with I/O intensive operations using btrfs > and BFQ io scheduler? I had a kernel panic while running (almost at the > start) a scrub and I glimpsed the elevator.c filename on the kernel dump > before I had to hard-reset. You may want to check the BFQ list, specifically [1]. It seems to be a bug in BFQ itself and unrelated to btrfs. -h [1] https://groups.google.com/forum/#!topic/bfq-iosched/3T0t2JWl3bk