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Bug 926385 - btrfs mount hangs with kernels 3.19.1+
btrfs mount hangs with kernels 3.19.1+
Status: RESOLVED FIXED
: 912709 (view as bug list)
Classification: openSUSE
Product: openSUSE Tumbleweed
Classification: openSUSE
Component: Kernel
201503*
Other All
: P5 - None : Major (vote)
: ---
Assigned To: David Sterba
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Reported: 2015-04-08 12:08 UTC by David Sterba
Modified: 2015-11-20 14:36 UTC (History)
3 users (show)

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Description David Sterba 2015-04-08 12:08:11 UTC 
http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg42758.html

A bug was introduced into stable kernels 3.19.1 and newer that can cause mount to hang due to a deadlock. This can prevent boot in case of unclean unmount or system crash.

Workarounds:

* boot with older kernels, it's enough to do once, or
* run btrfs-zero-log from the rescue shell

Fix has been committed to Kernel:stable and is on the way to Factory/Tumbleweed.
Comment 1 Jiri Slaby 2015-04-27 08:11:35 UTC 
I think we can close now :).
Comment 2 Thomas Renninger 2015-11-20 14:36:26 UTC 
*** Bug 912709 has been marked as a duplicate of this bug. ***
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