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Possible error in radeon (amdgpu) install instructions
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gorg86
Tux's lil' helper
Tux's lil' helper


Joined: 20 May 2011
Posts: 128

PostPosted: Sun Feb 14, 2016 7:33 am    Post subject: Possible error in radeon (amdgpu) install instructions Reply with quote

Hello,

I use an AMD Radeon 280X (southern islands) with the radeonsi driver and a 64bit gentoo-sources (genkernel).
Of course i followed the instructions at https://wiki.gentoo.org/wiki/Radeon
My computer always froze after a few minutes sometimes after half an hour, the only kernel versions that worked were <=3.19.x every kernel >3.19.x froze.
Prior to a freeze there were tiny graphical glitches (some wrong pixels scattered on the screen).
Fortunately in the Xorg.0.log were segmentation faults entries at the very end caused by the radeon module, so I knew where to look.
I included the firmware blobs for my graphics card into the kernel and put in the paths like in the wiki.
Quote:
When radeon as been compiled directly into the kernel (instead of as a module), make sure the firmware for your model (check available ones in /lib/firmware/radeon) is included in the kernel:


The solution was to change the "Firmware blobs root directory" from "/lib/firmware/" to "/lib64/firmware/".
There are no more crahes/freezes and no segfaults in my Xorg.0.log anymore.
Did somebody experience the same problem?
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Hu
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Joined: 06 Mar 2007
Posts: 13842

PostPosted: Sun Feb 14, 2016 5:14 pm    Post subject: Reply with quote

That should not matter. /lib should be a symlink to /lib64, so both paths should have the same result. What is the output of ls -la / on the affected system?
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gorg86
Tux's lil' helper
Tux's lil' helper


Joined: 20 May 2011
Posts: 128

PostPosted: Mon Feb 15, 2016 2:49 pm    Post subject: Reply with quote

Code:
ls -la /
total 80
drwxr-xr-x  21 root root  4096 Dec  1 14:24 .
drwxr-xr-x  21 root root  4096 Dec  1 14:24 ..
-rw-r--r--   1 root root     0 Aug 19  2014 .keep
drwxr-xr-x   2 root root  4096 Feb 10 04:14 bin
drwxr-xr-x   4 root root  4096 Dec  2 07:09 boot
drwxr-xr-x  19 root root  4500 Feb 14 03:58 dev
drwxr-xr-x 103 root root  4096 Feb 14 14:27 etc
drwxr-xr-x   5 root root  4096 Jun  5  2015 home
lrwxrwxrwx   1 root root     5 Dec  1 14:24 lib -> lib64
drwxr-xr-x   3 root root  4096 Dec  1 14:24 lib32
drwxr-xr-x  15 root root  4096 Feb 13 23:57 lib64
drwx------   2 root root 16384 Dec  1  2013 lost+found
drwxr-xr-x   2 root root  4096 Dec 10 11:23 media
drwxr-xr-x  18 root root  4096 Oct 27 06:33 mnt
drwxr-xr-x   6 root root  4096 Jan 25 17:03 opt
dr-xr-xr-x 232 root root     0 Feb 14 04:54 proc
drwx------  26 root root  4096 Feb 15 15:25 root
drwxr-xr-x  21 root root   520 Feb 14 03:58 run
drwxr-xr-x   2 root root  4096 Feb 10 04:14 sbin
dr-xr-xr-x  12 root root     0 Feb 14 04:54 sys
drwxrwxrwt  10 root root  4096 Feb 15 13:04 tmp
drwxr-xr-x  15 root root  4096 Sep 14  2014 usr
drwxr-xr-x  12 root root  4096 Dec  1 07:05 var


I know it is a symlink.
I will reproduce that error and report back tomorrow with more detailed infos.
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