Bug 20585 - [855GM] Xv crash with non-KMS
Summary: [855GM] Xv crash with non-KMS
Status: RESOLVED FIXED
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/intel (show other bugs)
Version: 7.4 (2008.09)
Hardware: x86 (IA32) Linux (All)
: medium normal
Assignee: Eric Anholt
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: 20276
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Reported: 2009-03-10 12:16 UTC by Kalev Lember
Modified: 2009-03-13 13:03 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
gdb backtrace (1.79 KB, text/plain)
2009-03-10 12:16 UTC, Kalev Lember 		no flags Details
Xorg log (23.43 KB, text/plain)
2009-03-10 12:17 UTC, Kalev Lember 		no flags Details
Xorg.0.log (21.72 KB, text/plain)
2009-03-11 18:37 UTC, Thorsten Vollmer 		no flags Details
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Description Kalev Lember 2009-03-10 12:16:35 UTC 
Created attachment 23731 [details]
gdb backtrace

Using latest xf86-video-intel git, xorg-server 1.6.0 and kernel 2.6.29-rc7 without KMS.

Playing any video with xine leads to X server crash.

< anholt> kalev: ah, we need a pin/unpin implementation for fake bufmgr
Comment 1 Kalev Lember 2009-03-10 12:17:09 UTC 
Created attachment 23732 [details]
Xorg log
Comment 2 Eric Anholt 2009-03-11 11:36:24 UTC 
Err, I guess I didn't have enough information on irc.  You do have GEM enabled, so you're not using the fake bufmgr.

This is probably a regression in the XV changes, I'm guessing.
Comment 3 Thorsten Vollmer 2009-03-11 18:37:16 UTC 
Created attachment 23775 [details]
Xorg.0.log

I was experiencing these crashes as well. After reverting
 commit beca598bc2848093b710bd47828d622205d273df
 Access the Xv buffer through the GTT for the non-KMS case.
and
 commit 872aadc7102bd5131e1582ede081e22672911ba2
 Make Xv used a buffer object instead of i830_memory.
XV is usable again.
Comment 4 Eric Anholt 2009-03-13 13:03:42 UTC 
commit 2026c57cf0a352d9e6f9d208cfb7d4d550614477
Author: Kalev Lember <kalev@smartlink.ee>
Date:   Fri Mar 13 21:32:08 2009 +0200

    Fix Xv crash with overlay video.
    
    Bug #20585.

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