Bug 35999

Summary: Tiny and Big: segfault in r300_update_ztop
Product: Mesa Reporter: Sven Arvidsson <sa>
Component: Drivers/Gallium/r300Assignee: Default DRI bug account <dri-devel>
Status: RESOLVED FIXED QA Contact:
Severity: normal    
Priority: medium CC: pavel.ondracka
Version: git   
Hardware: Other   
OS: All   
URL: http://www.tinyandbig.com/games/upthatmountain/
Whiteboard:
i915 platform: i915 features:
Attachments: backtrace

Description Sven Arvidsson 2011-04-05 12:01:57 UTC 
Created attachment 45306 [details]
backtrace

The game Tiny and Big causes a segfault in r300_update_ztop when 
RADEON_HYPERZ is set.

Bisecting leads to this:

4af3fe857dc07923af8786b434dee32d493b577e is the first bad commit
commit 4af3fe857dc07923af8786b434dee32d493b577e
Author: Marek Olšák <maraeo@gmail.com>
Date:   Tue Apr 5 17:57:02 2011 +0200

    r300g: postpone fragment shader state validation until draw_vbo

:040000 040000 ce221d2e9217e0c1a81321fa9404e4dbf67c24c7 c0cd5edc1f81b3bda5b09cda5bd4f2f15edf0f86 M	src


System environment:
-- system architecture: 32-bit
-- Linux distribution: Debian unstable
-- GPU: RV570
-- Model: Asus EAX1950Pro 256MB
-- Display connector: DVI

-- xf86-video-ati: 6.14.1
-- xserver: 1.9.4.901 (1.9.5 RC 1)
-- mesa: de579a16298e29358fec08bd7cfe3e505674705a
-- drm: 2.4.24
-- kernel: 2.6.38
Comment 1 Pavel Ondračka 2011-04-08 02:42:02 UTC 
Unigine (Sanctuary, Oilrush) is also affected by this bug.
Comment 2 Marek Olšák 2011-04-08 04:29:26 UTC 
Fixed with commit 1329d9433496618ad02bb9a91eccecd9736fdf54. Closing.

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