From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from [195.70.57.6] ([195.70.57.6]:59492 "EHLO icts.hu" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754071AbbKBS1C (ORCPT ); Mon, 2 Nov 2015 13:27:02 -0500 Received: from [192.168.152.152] (78-131-16-36.pool.digikabel.hu [78.131.16.36]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by icts.hu (Postfix) with ESMTPSA id 4E0731D8313E for ; Mon, 2 Nov 2015 19:26:01 +0100 (CET) Subject: Re: random i/o error without error in dmesg To: linux-btrfs@vger.kernel.org References: <562E0D31.2080003@dblaci.hu> <5339076.FcC2BAjqs5@thetick> <56308ADC.5060207@dblaci.hu> From: =?UTF-8?B?U3phbG1hIEzDoXN6bMOz?= Message-ID: <5637AAB9.5040901@dblaci.hu> Date: Mon, 2 Nov 2015 19:26:01 +0100 MIME-Version: 1.0 In-Reply-To: <56308ADC.5060207@dblaci.hu> Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: 2015-10-28 09:44 keltezéssel, Szalma László írta: > Ok, I had a chance to try some things. > > 1.: the error > > md5sum xyz > md5sum: xyz: Input/output error > > (no any errors in dmesg) > > 2.: mount -o remount,ro /mnt/x > > (could not do, it is used) > mysql stop && mount -o remount,ro /mnt/x > problem persists: io error. > mount -o remount,rw /mnt/x > still io error > umount /mnt/x > mount /mnt/x > NO io error, md5sum works! > > The umount/mount ALWAYS solved the problem for me, mount -o remount,ro > was tried for the first time, but it was not enought. Reboot was not > needed. > (kernel 4.2.4) > > László Szalma > Unfortunately the problem with kernel 4.3.0 still exists. László Szalma