Bug 112101 - cgroup kmem limit causing kernel BUG and complete lockup
Summary: cgroup kmem limit causing kernel BUG and complete lockup
Status: RESOLVED CODE_FIX
Alias: None
Product: File System
Classification: Unclassified
Component: btrfs (show other bugs)
Hardware: x86-64 Linux
: P1 high
Assignee: Josef Bacik
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-02-07 14:12 UTC by nfnty
Modified: 2022-10-04 13:28 UTC (History)
3 users (show)

See Also:
Kernel Version: 4.1.17-1-lts
Subsystem:
Regression: No
Bisected commit-id:

Attachments
BUG traces (11.47 KB, text/plain)
2016-02-07 14:12 UTC, nfnty 		Details
Add an attachment (proposed patch, testcase, etc.)

Description nfnty 2016-02-07 14:12:54 UTC 
Created attachment 203081 [details]
BUG traces

Happened in connection to Docker limiting container cgroup kmem to 4194304 requiring a hard reset and resulting in data loss.

Full issue report here: https://github.com/docker/docker/issues/20080

Attached BUG traces.
Comment 1 Anand Jain 2017-04-11 04:48:55 UTC 
this bug is already been fixed by

commit 059f791c6bbaba72dc3c1bd6e2657aacc8552849
Author: David Sterba <dsterba@suse.com>
Date:   Wed Apr 27 01:03:45 2016 +0200

    btrfs: make state preallocation more speculative in __set_extent_bit
Note You need to log in before you can comment on or make changes to this bug.