Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756868AbcKKRxg convert rfc822-to-8bit (ORCPT ); Fri, 11 Nov 2016 12:53:36 -0500 Received: from dresden.studentenwerk.mhn.de ([141.84.225.229]:59946 "EHLO email.studentenwerk.mhn.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755503AbcKKRxf (ORCPT ); Fri, 11 Nov 2016 12:53:35 -0500 X-Greylist: delayed 494 seconds by postgrey-1.27 at vger.kernel.org; Fri, 11 Nov 2016 12:53:34 EST From: Wolfgang Walter To: drbd-dev@lists.linbit.com Cc: linux-kernel@vger.kernel.org Subject: DRBD: ASSERT in drbd_actlog.c:259 Date: Fri, 11 Nov 2016 18:45:18 +0100 Message-ID: <6098334.rfGYZxPirJ@stwm.de> User-Agent: KMail/4.14.3 (Linux/4.4.0-45-generic; KDE/4.14.13; x86_64; ; ) MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1365 Lines: 27 Hello, when I execute mkfs.ext4 -J device=UUID=625d871f-c278-4acb-916d-774dc78dbd8a -v -b 4096 -E stride=$((512/4)),stripe_width=$((512/4*3)),lazy_itable_init=0 -O inline_data,mmp -L dyn -m .01 /dev/test/big the command hangs and the kernel (4.4.30) complains: block drbd1: ASSERT( (unsigned)(last - first) <= 1 ) in drivers/block/drbd/drbd_actlog.c:259 block drbd2: ASSERT( (unsigned)(last - first) <= 1 ) in drivers/block/drbd/drbd_actlog.c:259 block drbd1: ASSERT( (unsigned)(last - first) <= 1 ) in drivers/block/drbd/drbd_actlog.c:259 block drbd3: ASSERT( (unsigned)(last - first) <= 1 ) in drivers/block/drbd/drbd_actlog.c:259 block drbd2: ASSERT( (unsigned)(last - first) <= 1 ) in drivers/block/drbd/drbd_actlog.c:259 block drbd3: ASSERT( (unsigned)(last - first) <= 1 ) in drivers/block/drbd/drbd_actlog.c:259 This does _not_ happen if I use mkfs.ext4 -J device=UUID=625d871f-c278-4acb-916d-774dc78dbd8a -v -b 4096 -E stride=$((512/4)),stripe_width=$((512/4*3)),lazy_itable_init=0, nodiscard -O inline_data,mmp -L dyn -m .01 /dev/export/dyn drbd1, drbd2 and drbd3 are three volumes of one resource. These three drbd devices are physical volumes of a volume group test with an LV big. test/big uses drbd1 ... drbd3 as backing devices (striped; stripesize ist 512k. Regards, -- Wolfgang Walter Studentenwerk M?nchen Anstalt des ?ffentlichen Rechts