Comment # 46 on bug 954783 from Jozef Kovac

4.1.13-5 vanilla  crash  too i also try update  Xorg/mesa  but still same issue
(http://download.opensuse.org/repositories/X11:/XOrg/openSUSE_Leap_42.1/)

Long time to crash 11/32mint etc. is related to testing when i used
simultaneously web browser, worspace switchning or screensaver/screen lock etc.
When i only testing with glmatrix and not interupting with anything  crash
always after 2-7min. 

Strange but with 4.2.5/4.3.0  DRI_PRIME=1 works different ,  crashing randomly
( two times during day, I never tested  Intel or AMD only gameplay/glamtrix
with this kernels only PRIME.


Arch Linux DRI_PRIME=1  kernel-4.1.15(drm.debug=0x0e,dmesg -n 8) looks like
this for comparsion

[  451.911996] [drm] probing gen 2 caps for device 8086:9c18 = 5323c42/0
[  451.912004] [drm] PCIE gen 2 link speeds already enabled
[  451.916190] [drm] PCIE GART of 1024M enabled (table at 0x0000000000277000).
[  451.916363] radeon 0000:03:00.0: WB enabled
[  451.916366] radeon 0000:03:00.0: fence driver on ring 0 use gpu addr
0x0000000040000c00 and cpu addr 0xffff88023eb98c00
[  451.916368] radeon 0000:03:00.0: fence driver on ring 1 use gpu addr
0x0000000040000c04 and cpu addr 0xffff88023eb98c04
[  451.916369] radeon 0000:03:00.0: fence driver on ring 2 use gpu addr
0x0000000040000c08 and cpu addr 0xffff88023eb98c08
[  451.916371] radeon 0000:03:00.0: fence driver on ring 3 use gpu addr
0x0000000040000c0c and cpu addr 0xffff88023eb98c0c
[  451.916373] radeon 0000:03:00.0: fence driver on ring 4 use gpu addr
0x0000000040000c10 and cpu addr 0xffff88023eb98c10
[  451.917925] radeon 0000:03:00.0: fence driver on ring 5 use gpu addr
0x0000000000075a18 and cpu addr 0xffffc90004435a18
[  451.918490] [drm:radeon_crtc_handle_flip] radeon_crtc->flip_status = 0 !=
RADEON_FLIP_SUBMITTED(2)
[  451.918494] [drm:radeon_crtc_handle_flip] radeon_crtc->flip_status = 0 !=
RADEON_FLIP_SUBMITTED(2)
[  452.156274] [drm] ring test on 0 succeeded in 1 usecs
[  452.156282] [drm] ring test on 1 succeeded in 1 usecs
[  452.156287] [drm] ring test on 2 succeeded in 1 usecs
[  452.156297] [drm] ring test on 3 succeeded in 5 usecs
[  452.156305] [drm] ring test on 4 succeeded in 5 usecs
[  452.333329] [drm] ring test on 5 succeeded in 2 usecs
[  452.333338] [drm] UVD initialized successfully.
[  452.333379] [drm] ib test on ring 0 succeeded in 0 usecs
[  452.333412] [drm] ib test on ring 1 succeeded in 0 usecs
[  452.333443] [drm] ib test on ring 2 succeeded in 0 usecs
[  452.333474] [drm] ib test on ring 3 succeeded in 0 usecs
[  452.333504] [drm] ib test on ring 4 succeeded in 0 usecs
[  452.982823] [drm] ib test on ring 5 succeeded
[  452.989772] snd_hda_intel 0000:03:00.1: Enabling via VGA-switcheroo
[  453.094277] snd_hda_intel 0000:03:00.1: CORB reset timeout#2, CORBRP = 65535
[  453.120392] [drm:radeon_info_ioctl] macrotile mode array is cik+ only!
[  453.192020] [drm:drm_mode_addfb2] [FB:75]
[  466.009035] snd_hda_intel 0000:03:00.1: Disabling via VGA-switcheroo