You will need libpciaccess-dev (iirc name correctly). Than boot with KMS enabled in init 3 (add 3 to kernel boot cmd line). Suspend/resume and on resume when you get garbled screen run radeondump program (which is in radeonvram.tar.bz2) as root and report the output of the program, you likely need to do all this through ssh from another computer. Thanks.
Peng, Christophe can you try to build : people. freedesktop. org/~glisse/ radeonvram. tar.bz2
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You will need libpciaccess-dev (iirc name correctly). Than boot with KMS enabled in init 3 (add 3 to kernel boot cmd line). Suspend/resume and on resume when you get garbled screen run radeondump program (which is in radeonvram.tar.bz2) as root and report the output of the program, you likely need to do all this through ssh from another computer. Thanks.