From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.domeneshop.no ([194.63.252.54]:47502 "EHLO smtp.domeneshop.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752060AbaE1O5K (ORCPT ); Wed, 28 May 2014 10:57:10 -0400 Message-ID: <5385F938.9010009@skagestad.org> Date: Wed, 28 May 2014 16:56:56 +0200 From: =?ISO-8859-1?Q?Torbj=F8rn?= MIME-Version: 1.0 To: Chris Mason , linux-btrfs Subject: Re: 3.15-rc6 - btrfs-transacti:4157 blocked for more than 120 seconds. References: <5384D53C.9070509@skagestad.org> <5384E2FA.1070509@fb.com> <5384F0B4.7040309@skagestad.org> <5384F8A4.1050206@skagestad.org> <5384FAB2.6000204@fb.com> <5385007A.4000301@fb.com> <538579F1.10106@skagestad.org> <5385E794.1030002@fb.com> In-Reply-To: <5385E794.1030002@fb.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 05/28/2014 03:41 PM, Chris Mason wrote: > On 05/28/2014 01:53 AM, Torbjørn wrote: > >> It's actually a raid10 array of 11 dm-crypt devices. >> I'm able to read data from the array (accessing files), and also read >> directly from all the underlying dm-crypt devices using dd, if that's >> what you meant. >> >> I have not rebooted the system since that dmesg, so it's still stuck in >> the same state. >> I can keep it like that for some days. The system is not critical at all. >> > Thanks, > > Can you please capture the result of sysrq-t and sysrq-l? Maybe the IO > is stuck in a thread that isn't in the D state. > > -chris The output of sysrq-t was too much data for pastebin, will send both to you as attachments outside of the list. -- Torbjørn