Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754347AbaFKXPA (ORCPT ); Wed, 11 Jun 2014 19:15:00 -0400 Received: from mail-lb0-f173.google.com ([209.85.217.173]:55633 "EHLO mail-lb0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752406AbaFKXO6 (ORCPT ); Wed, 11 Jun 2014 19:14:58 -0400 MIME-Version: 1.0 Reply-To: fdmanana@gmail.com In-Reply-To: <3216820.JOp565CquS@grover> References: <5395CFE6.10804@oracle.com> <5395D9D6.3080101@fb.com> <5395DE2E.7080700@oracle.com> <3216820.JOp565CquS@grover> Date: Thu, 12 Jun 2014 00:14:56 +0100 Message-ID: Subject: Re: btrfs: hang on boot due to tests From: Filipe David Manana To: Ed Tomlinson Cc: Sasha Levin , Chris Mason , Josef Bacik , LKML , Dave Jones , "linux-btrfs@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 10, 2014 at 12:14 PM, Ed Tomlinson wrote: > On Monday 09 June 2014 12:17:50 Sasha Levin wrote: >> On 06/09/2014 11:59 AM, Chris Mason wrote: >> > On 06/09/2014 11:16 AM, Sasha Levin wrote: >> >> > Hi all, >> >> > >> >> > It seems that some recent changes to btrfs tests make it hang during boot: >> >> > >> >> > [ 49.730033] NMI watchdog: BUG: soft lockup - CPU#34 stuck for 23s! [swapper/0:1] >> >> > [ 49.730033] Modules linked in: >> >> > [ 49.730033] hardirqs last enabled at (6389143): restore_args (arch/x86/kernel/entry_64.S:829) >> >> > [ 49.730033] hardirqs last disabled at (6389144): apic_timer_interrupt (arch/x86/kernel/entry_64.S:1021) >> >> > [ 49.730033] softirqs last enabled at (6389142): __do_softirq (./arch/x86/include/asm/preempt.h:22 kernel/softirq.c:296) >> >> > [ 49.730033] softirqs last disabled at (6389139): irq_exit (kernel/softirq.c:346 kernel/softirq.c:387) >> >> > [ 49.730033] CPU: 34 PID: 1 Comm: swapper/0 Not tainted 3.15.0-rc8-next-20140606-sasha-00021-ga9d3a0b-dirty #597 >> > >> > This is 3.15-rc8 + linux-next? I'll try to reproduce here, but the >> > tests were working for me. >> >> Yes, it's the latest -next tree available. >> >> Also note that it doesn't happen every time, so might be some sort of a race? > > I've noticed that with -rc8 and now .15 btrfs fails to automount (or mount) about 1 in 2 times requiring a reboot to get it to work. > I have not seen anything in logs. Might this be related? Hi Ed, I think I ran into this too. This patch should help you too: https://patchwork.kernel.org/patch/4338641/ thanks > > Thanks, > > Ed Tomlinson > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/