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Bug 1472894 - app crash when creating storage pool
Summary: app crash when creating storage pool
Keywords:
Status: CLOSED DUPLICATE of bug 1457170
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: virt-manager
Version: 7.4
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Pavel Hrdina
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2017-07-19 15:34 UTC by Cole Robinson
Modified: 2017-07-20 21:13 UTC (History)
2 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-07-20 21:13:33 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Description Cole Robinson 2017-07-19 15:34:16 UTC
virt-manager can crash when creating a storage pool. Reproducer:

- virt-manager --debug --connect test:///default
- Edit->Connection Details->Storage Tab
- + button, name=aaaaaa, type=dir pool, forward, finish

Crashes for me after a few attempts. Using upstream code on fedora it crashes 100% for me

The culprit is the fix for https://bugzilla.redhat.com/show_bug.cgi?id=1435064 : the cb_add_new_pool is usually (always?) called from a non-main thread, but the impl of the function in vmmConnection calls vmmConnection._new_object_cb, which always expects to run in the main thread because it touches UI stuff. Running it from a non-main thread means there will be gtk collisions talking to the X server or accessing internal state, which will give intermittent crashes

For upstream I think the cb_add_new_pool direction is correct but it will need some testing to get it working correctly. I think for RHEL we should revert that patch and solve in a different way. I'll post comments there

Comment 4 tingting zheng 2017-07-20 03:01:26 UTC
Hi,Cole

Actually QE has found this regression bug during rhel7.4 testing,pls see bug 1457170 which can be reproduced all the time,I think they are the same problem,would you pls help to confirm and if so this bug can be closed as duplicated as bug 1457170.

Comment 5 Cole Robinson 2017-07-20 21:13:33 UTC
Yes it's the same bug, I'll dupe

*** This bug has been marked as a duplicate of bug 1457170 ***


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