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Bug 1754393

Summary: mgr/volumes: issuing `fs subvolume getpath` command hangs and ceph-mgr daemon hits 100% CPU utilization
Product: [Red Hat Storage] Red Hat Ceph Storage Reporter: Ram Raja <rraja>
Component: CephFSAssignee: Ram Raja <rraja>
Status: CLOSED ERRATA QA Contact: Yogesh Mane <ymane>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 4.0CC: ceph-eng-bugs, ceph-qe-bugs, sweil, tchandra, tserlin, ymane
Target Milestone: rcKeywords: Bugfix
Target Release: 4.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ceph-14.2.4-4.el8cp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-01-31 12:47:11 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Ram Raja 2019-09-23 07:13:02 UTC 
Description of problem:
After creating a FS subvolume, fetching its path hangs.

How reproducible: Always

Steps to Reproduce:
```
   $ ceph fs subvolume create vol00 subvol00
   $ ceph fs subvolume getpath vol00 subvol00
```
Actual results:
The second command just hangs and ceph-mgr daemon hits 100% CPU utilization

Expected results:
The `fs getpath` command should return the path of the FS subvolume and ceph-mgr shouldn't utilize 100% CPU.
Comment 7 errata-xmlrpc 2020-01-31 12:47:11 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:0312