From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:48530 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758930AbaGONVx (ORCPT ); Tue, 15 Jul 2014 09:21:53 -0400 Message-ID: <53C52AE4.6010803@fb.com> Date: Tue, 15 Jul 2014 09:21:40 -0400 From: Chris Mason MIME-Version: 1.0 To: Martin Steigerwald CC: Subject: Re: BTRFS hang with 3.16-rc5 References: <1502954.OtX3SzjMKZ@merkaba> <3226395.MP6iD3ZiSL@merkaba> <53C439A6.5010905@fb.com> <29286605.flGgbBIpOj@merkaba> In-Reply-To: <29286605.flGgbBIpOj@merkaba> Content-Type: text/plain; charset="ISO-8859-1" Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 07/14/2014 05:58 PM, Martin Steigerwald wrote: > Am Montag, 14. Juli 2014, 16:12:22 schrieb Chris Mason: >> On 07/14/2014 11:10 AM, Martin Steigerwald wrote: >>> Am Montag, 14. Juli 2014, 17:04:22 schrieben Sie: >>>> Hi! >>>> >>>> While with 3.16-rc3 and rc4 I didnīt have a BTRFS hang in several days of >>>> usage, with 3-16-rc5 I had a hang again. Less than a hour since booting >>>> it. >>>> >>>> Since the hang bug I and others had with 3.15 and upto 3.16-rc2 usually >>>> didnīt happen that quickly after boot and since backtrace looks a bit >>>> different from what I have in memory, I post this in a new thread. >>>> See thread "Blocked tasks on 3.15.1" for a discussion of previous hang >>>> issues. >>> >>> Probably good to add some basic information on the filesystem: >> Do you have compression enabled? I wasn't able to nail down the 3.15.1 >> hang before vacation attacked me, but I'm hoping to track it down today. > > Yes. I have. > > It just hung again while I was playing PlaneShift. > > Back to 3.16-rc4 as rc5 seems to be broke here. The btrfs hang you're hitting goes back to 3.15. So 3.16-rc4 vs rc5 shouldn't be a factor. Are you hitting other problems with 3.16? -chris