Bug #56480: std::shared_mutex deadlocks on Windows - Ceph - Ceph

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Bug #56480

closed

std::shared_mutex deadlocks on Windows

Added by Lucian Petrut over 3 years ago. Updated 8 months ago.

Status:

Resolved

Priority:

Normal

Assignee:

Lucian Petrut

Category:

common

Target version:

v18.0.0

% Done:

100%

Source:

Backport:

quincy pacific

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

v16.0.0, v16.0.1, v16.1.0, v16.1.1, v16.2.0, v16.2.1, v16.2.10, v16.2.2, v16.2.3, v16.2.4, v16.2.5, v16.2.6, v16.2.7, v16.2.8, v16.2.9, v17.0.0, v17.1.0, v17.2.0, v17.2.1, v17.2.2, v18.0.0

ceph-qa-suite:

Pull request ID:

46989

Crash signature (v1):

Crash signature (v2):

Tags (freeform):

Merge Commit:

9ff4b5a1a39652b4b1b19ad0cc1c2ba71d6f24e8

Fixed In:

v17.0.0-14084-g9ff4b5a1a39

Released In:

v18.2.0~1636

Upkeep Timestamp:

2025-07-13T07:10:24+00:00

Description

The winpthreads shared mutex implementation causes deadlocks on Windows [1]². Specifically, async RBD IO calls are hanging. This also prevents the images from being unmounted.

One possible workaround would be to use boost::shared_mutex with MinGW builds.

[1] https://github.com/cloudbase/wnbd/issues/63#issuecomment-1161547102
[2] https://github.com/msys2/MINGW-packages/issues/3319
Trace: https://pastebin.com/raw/i3jpTyS3

Files

i3jpTyS3 (92.4 KB) i3jpTyS3

Ilya Dryomov, 07/14/2022 07:01 PM

Related issues 2 (0 open — 2 closed)

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Updated by Ilya Dryomov over 3 years ago

Subject changed from shared mutex deadlocks on Windows to std::shared_mutex deadlocks on Windows
Status changed from In Progress to Fix Under Review
Pull request ID set to 46989