linux-kernel - S2ram + btrfs with recent kernel => soft lockup warning and hard hang

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAE2SPAarz6+Oeu1K5BECSaD_FxiSErjx=FC9sspg2p1sotD0vw@mail.gmail.com>
Date:   Sun, 12 Feb 2017 16:45:50 +0100
From:   Bastien ROUCARIES <roucaries.bastien@...il.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     fdmanana@...e.com, bo.li.liu@...cle.com, clm@...com
Subject: S2ram + btrfs with recent kernel => soft lockup warning and hard hang

Hi,

Since 3.8 s2ram on btrfs system lead to hang.

Could not save a trace will try to get a few picture but trace are similar to :
https://github.com/docker/docker/issues/15654
and
https://patchwork.kernel.org/patch/8352811/

It is 100% reproducible.

mount table
/dev/mapper/portable2015--bastien--vg-HOME on /var/cache/pbuilder type
btrfs (rw,relatime,lazytime,compress=zlib,space_cache,subvolid=934,subvol=/pbuilder)
/dev/mapper/portable2015--bastien--vg-HOME on /home type btrfs
(rw,nosuid,nodev,relatime,lazytime,compress=zlib,space_cache,subvolid=933,subvol=/home)

btrfs is over dm-crypt

Bastien