[Bug 65911] radeon: garbled output/only noise through HDMI and GPU lockups

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=65911

--- Comment #9 from tomka <tom at voodoo-arts.net> ---
Thanks for the clarification. I just tested different versions of the userspace
tools---unfortunately, without any success. For every component tested, I made
sure the others are used in their resent stable version.


libdrm-git with the current master and

c6d73cfeeaff9596c735d0a10b248f94b2e1e347
Tue Jul 2 09:24:53 2013 +0100

040f6b015ef7d9c1bda09f78a8873f6da45d5e95 (first this year)
Thu May 9 12:55:42 2013 +1000

2089a0080edb1b42449ee9a97f2cef7399c16d53
Mon Nov 5 22:21:42 2012 +0000


xf86-video-ati-git with current master and

67fb82a3f0759b171fea21b475a70fa825693570
Tue Oct 1 09:35:30 2013 -0400

fdb7563a5cbc736b09c2864b67a93b475c98b2bd
Thu Jan 24 21:17:11 2013 -0500

4e35b2f530e2ca8c7b7220cacd05c661de43d20d
Thu Jan 10 12:10:52 2013 +0100

60cd6ceaf44b506433aebf6b3a639a17604dfddd
Wed Nov 21 18:42:56 2012


mesa-git (and thereby mesa-libgl-git and ati-dri-gitwith current master and

e556286802811b4b99c692d1ff5197f8ee1f011b
Wed Mar 20 11:54:33 2013 -0700

5ffa28df4e4cc22481b4ed41c78632f35765f41d
Wed Jul 31 15:18:52 2013 +0200


For mesa-git, I couldn't get further back in history easily, because Bison 3
wasn't supported before. Like I said, no change couldn't fix the GPU lockups or
even change the error itself. During the tests, however, I figured there was
slightly more detail in the dmesg log which I didn't see before:

kernel: radeon 0000:00:01.0: GPU lockup CP stall f...ec
kernel: radeon 0000:00:01.0: GPU lockup (waiting f...2)
kernel: [drm:r600_ib_test] *ERROR* radeon: fence w...).
kernel: [drm:radeon_ib_ring_tests] *ERROR* radeon:...).
kernel: radeon 0000:00:01.0: ib ring test failed (-35).

Do you have any suggestions on what I could try next?

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