From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.sourceforge.net
Subject: [Bug 27571] New: Regression: r600 CS checker rejects GL_DEPTH_TEST w/o depth buffer.
Date: Fri, 9 Apr 2010 21:57:24 -0700 (PDT) [thread overview]
Message-ID: <bug-27571-502@http.bugs.freedesktop.org/> (raw)
https://bugs.freedesktop.org/show_bug.cgi?id=27571
Summary: Regression: r600 CS checker rejects GL_DEPTH_TEST w/o
depth buffer.
Product: DRI
Version: unspecified
Platform: Other
OS/Version: All
Status: NEW
Severity: major
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: nbowler@draconx.ca
Created an attachment (id=34858)
--> (https://bugs.freedesktop.org/attachment.cgi?id=34858)
Test case.
The command stream checker recently added to the radeon driver kills
programs which render to a target which does not have a depth buffer
whilst GL_DEPTH_TEST is enabled. Instead of simply not performing
depth buffer operations, the result is program termination and some
rather cryptic error messages:
drmRadeonCmdBuffer: -22. Kernel failed to parse or rejected command
stream. See dmesg for more info.
and in dmesg:
radeon 0000:03:00.0: z/stencil with no depth buffer
radeon 0000:03:00.0: r600_packet3_check:1109 invalid cmd stream 815
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
I first noticed this when a program that works using 2.6.33 died
rendering to a FBO, but it is trivially reproducible without using
anything fancy. A test case is attached which works normally with
either Linux 2.6.33, the software rasterizer, or the intel driver.
The failure is reproducible with both mesa 7.8.1 and git master.
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next reply other threads:[~2010-04-10 4:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-10 4:57 bugzilla-daemon [this message]
2010-04-10 4:58 ` [Bug 27571] Regression: r600 CS checker rejects GL_DEPTH_TEST w/o depth buffer bugzilla-daemon
2010-04-12 0:00 ` bugzilla-daemon
2010-04-13 1:54 ` bugzilla-daemon
2010-04-23 10:15 ` bugzilla-daemon
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