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Date:   Sun, 12 Feb 2017 16:45:50 +0100
From:   Bastien ROUCARIES <>
To:     "" <>
Subject: S2ram + btrfs with recent kernel => soft lockup warning and hard hang


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 :

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

btrfs is over dm-crypt


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