Bug 58574

Summary: pixmap regression with cirrus graphics driver
Product: xorg Reporter: Marc Deslauriers <marc.deslauriers>
Component: Driver/cirrusAssignee: Xorg Project Team <xorg-team>
Status: RESOLVED MOVED QA Contact: Xorg Project Team <xorg-team>
Severity: normal    
Priority: medium    
Version: unspecified   
Hardware: Other   
OS: All   
See Also: https://launchpad.net/bugs/1080674
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
screenshot with cairo 1.12.4 and later
none
screenshot with cairo 1.12.2 none

Description Marc Deslauriers 2012-12-20 13:59:18 UTC
Created attachment 71854 [details]
screenshot with cairo 1.12.4 and later

When using the cirrus graphics driver while running Ubuntu in a kvm virtual machine, cairo 1.12.4 and later (including 1.12.8) corrupts pixmaps. Downgrading to 1.12.2 seems to solve this issue. See attached screenshots.
Comment 1 Marc Deslauriers 2012-12-20 13:59:46 UTC
Created attachment 71855 [details]
screenshot with cairo 1.12.2
Comment 2 Marc Deslauriers 2012-12-20 14:01:09 UTC
Downstream bug report:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1080674
Comment 3 Chris Wilson 2012-12-20 14:09:48 UTC
The change is the use of ShmPixmaps/ShmImage.
Comment 4 GitLab Migration User 2018-08-10 20:41:16 UTC
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/xorg/driver/xf86-video-cirrus/issues/3.

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