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Tasklist

FS#44495 - [linux-lts] Kernel with btrfs filesystem can deadlock on mount

Attached to Project: Arch Linux
Opened by Mario Finelli (supermario) - Wednesday, 08 April 2015, 00:21 GMT
Last edited by Andreas Radke (AndyRTR) - Sunday, 12 April 2015, 18:02 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Andreas Radke (AndyRTR)
Architecture All
Severity Critical
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description: See the first issue here: https://btrfs.wiki.kernel.org/index.php/Gotchas

Essentially, kernel 3.19.1+ can fail to mount btrfs filesystems.


Additional info:
* This affects kernel 3.19.1 - 3.19.3 (fix scheduled for 3.19.4)
* Can fix by applying this patch: https://git.kernel.org/linus/9c4f61f01d269815bb7c37be3ede59c5587747c6

Steps to reproduce:
Have btrfs filesystem and try to mount it while running kernel 3.19.1 or greater
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Sunday, 12 April 2015, 18:02 GMT
Reason for closing:  Fixed
Comment by Mario Finelli (supermario) - Wednesday, 08 April 2015, 01:33 GMT
This doesn't affect linux-lts. Only kernels >= 3.19.1
Comment by Doug Newgard (Scimmia) - Wednesday, 08 April 2015, 01:38 GMT
Your link says: also affected: 3.14.35+, 3.18.9+

linux-lts is currently 3.14.37
Comment by Mario Finelli (supermario) - Wednesday, 08 April 2015, 02:00 GMT
Ah, yes sorry didn't realise LTS version. You are correct.
Comment by Tobias Powalowski (tpowa) - Wednesday, 08 April 2015, 05:58 GMT
https://bugs.archlinux.org/task/44385
probably related.
Comment by Doug Newgard (Scimmia) - Wednesday, 08 April 2015, 06:03 GMT
Why did you remove the [linux-lts] tag?
Comment by Tobias Powalowski (tpowa) - Wednesday, 08 April 2015, 06:07 GMT
This doesn't affect linux-lts. Only kernels >= 3.19.1?
Comment by Doug Newgard (Scimmia) - Wednesday, 08 April 2015, 06:09 GMT
No, read the comments here and the link, it does affect linux-lts
Comment by Tobias Powalowski (tpowa) - Wednesday, 08 April 2015, 06:52 GMT
linux-3.19.3-2 fixed the issue.
Comment by Andreas Radke (AndyRTR) - Sunday, 12 April 2015, 18:02 GMT
Patch applied to lts kernel 3.14.37-2.

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