[Saucy][PATCH 0/1] zram: don't grab mutex in zram_slot_free_noity

Joseph Salisbury joseph.salisbury at canonical.com
Fri Sep 27 16:14:58 UTC 2013

BugLink: http://bugs.launchpad.net/bugs/1227202
== Saucy Justification ==
This bug affects zram, which is a module by default in Ubuntu.  However, zram is enabled by default in lubuntu.  The lubuntu users report the system freezes due to this bug.  This bug was introduced in v3.10.6.  It has been fixed in mainline 3.12-rc2 by commit a0c516cbf.  This commit was requested in upstream stable and is queued to be included in upstream stable 3.11.2.

== Fix ==

commit a0c516cbfc7452c8cbd564525fef66d9f20b46d1
Author: Minchan Kim <minchan at kernel.org>
Date:   Mon Aug 12 15:13:56 2013 +0900

    zram: don't grab mutex in zram_slot_free_noity

== Test Case ==

A test kernel was built with this patch and tested by the original bug reporter.  An ISO was also built with the test kernel and shown to resolve the bug.

Minchan Kim (1):
  zram: don't grab mutex in zram_slot_free_noity

 drivers/staging/zram/zram_drv.c |   60 +++++++++++++++++++++++++++++++++++++--
 drivers/staging/zram/zram_drv.h |   10 +++++++
 2 files changed, 67 insertions(+), 3 deletions(-)


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