[Bug 92858] AMD Radeon GPU Acceleration Disabled Under Kernels 4.2.x and later versions

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Nov 11 18:52:47 PST 2015


https://bugs.freedesktop.org/show_bug.cgi?id=92858

--- Comment #6 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Darren from comment #5)
> Sadly, as of thus far, every kernel I've compiled panics at bootup, with a
> message like this, or similar: "kernel panic. vfs unable to mount root on
> unknown block (0,0)".

Sounds like there's a problem with the .config or maybe the root=[...]
parameter on the kernel command line. For .config, I'd recommend starting with
the original .config from 4.3-rc7 and then just running "make oldconfig".


> After I get the kernel to compile and boot, do I need to run "make clean" in
> the source tree directory after "git bisect good," or is that going to strip
> away files that git bisect needs in order to keep a record of good and bad
> commits?

make clean is neither necessary nor does it hurt (other than potentially
increasing the build time of the next kernel to test).

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