[Bug 78453] [HAWAII] Get acceleration working

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78453

--- Comment #78 from Kai <kai at dev.carbon-project.org> ---
Ahrg, comment #77 was only half of what I wanted to add... (screwed the C&P up)

In Xorg.0.log I'm seeing
> (EE) Error config_odev_get_int_attribute called for non integer attrib 4
no matter whether I force acceleration on or not. Not sure, this is relevant
though.


In case I force HAWAII acceleration (same settings as Luzipher in comment #9)
on I end up with a black screen and the system is inaccessible directly. Over
SSH I found, that no error is logged to either Xorg.0.log or dmesg (I checked
journalctl as well, just to be sure, but nothing there as well). Issuing a
reboot command over SSH didn't work either. Would I need to set some kernel
variable to get info about a locked-up GPU?


The stack I used was (base is Debian Testing):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Linux: 3.15.5
libdrm: 2.4.54-1
LLVM: SVN:trunk/r213236
libclc: Git:master/0ec7437d9c
Mesa: Git:master/48deb4dbf2
DDX: 1:7.4.0-2
X: 2:1.15.99.904-1 (1.16.0 RC 4)

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