http://bugs.freedesktop.org/show_bug.cgi?id=24508
Summary: glxgears freezes X on Radeon Mobility X1600 (git
bisected)
Product: Mesa
Version: git
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
X freezes when I start glxgears. I can't move the mouse nor reset with
ctrl-alt-canc.
I'm running master git mesa (last commit
150d4968e31e4600f9479c53f83d810b92b59cf7, st/xorg: Initialize pipe in the
renderer), git radeon drivers, libdrm v2.4.15 and kernel v2.6.31.
"lspci -v" output:
01:00.0 VGA compatible controller: ATI Technologies Inc M56P [Radeon Mobility
X1600] (prog-if 00 [VGA controller])
Subsystem: Toshiba America Info Systems Device ff10
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at d0000000 (32-bit, prefetchable) [size=256M]
I/O ports at 2000 [size=256]
Memory at cfef0000 (32-bit, non-prefetchable) [size=64K]
[virtual] Expansion ROM at cfe00000 [disabled] [size=128K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit+
Kernel modules: radeon
Using git bisect I have identified the first bad commit as:
284a7af274bc148f112bd0ebb40583923ee26b49 is first bad commit
commit 284a7af274bc148f112bd0ebb40583923ee26b49
Author: Pauli Nieminen <[email protected]>
Date: Sun Sep 20 22:24:35 2009 +0300
radeon: Fix legacy bo not to reuse dma buffers before refcount is 1.
This should help detecting possible memory leaks with dma buffers and
prevent
possible visual corruption if data would be overwriten too early.
Reverting this commit fixes the problem.
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