https://bugzilla.kernel.org/show_bug.cgi?id=97701
Bug ID: 97701 Summary: [regression] won't boot unless radeon.audio=0 Product: Drivers Version: 2.5 Kernel Version: 4.1-rc2 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: jtmettala@gmail.com Regression: No
Created attachment 175791 --> https://bugzilla.kernel.org/attachment.cgi?id=175791&action=edit picture of trace
Boot regression between 4.1-rc1 and 4.1-rc2
04:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV350 [Radeon 9550/9600/X1050 Series]
Attached picture shows trace.
I guess full bisect is not needed.
ps. https://lkml.org/lkml/2015/5/4/491 looks like it might be related.