http://bugs.freedesktop.org/show_bug.cgi?id=23270
Summary: KMS DDX driver crashes on non KMS kernel when modprobe
radeon failed
Product: xorg
Version: 7.4
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Created an attachment (id=28545)
--> (http://bugs.freedesktop.org/attachment.cgi?id=28545)
X log showing crash on a non KMS kernel
Using ati driver 6.2.99 (aka git shapshot as of
92baeafde8f0c1eed2b6769e96f8093e3d6d7478 (today)) works fine on a KMS aware
kernel.
However, if booting on a non KMS kernel where it failed to load the radeon
kernel module, it crashes trying to set up the 3D engine despte advertising
disabling DRI.
Here /etc/modprobe.options contains "options radeon modeset=1" and thus radeon
kernel module failed to load because of the unknown option with a non KMS
kernel.
logs shows a crash in RADEONInit3DEngine() despite DRI being disabled. See
attache traces.
Card is radeon 9600 (RV350).
Xserver is 1.6.2. Mesa is 7.5. ATI driver is 6.2.99
Solution: do not try to init 3D engine at all if DRI is disabled for whatever
reason it is.
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