Graphical hangs every 10-15 seconds
I've installed Fedora 28 on a laptop. every 10 - 15 seconds the screen will stop refreshing, during this hang if a button was pressed as the hang began the button will repeat roughly 20 times. The mouse will also stop moving completely. Each hang is roughly 1 second in length. Even as I type this occasionally I'll have a long string of the same character. Audio will be interrupted at the same time. Oddly, in dmesg I will see several entries right after each hang.
This is on a GNOME desktop install. I'll try reinstalling a different distro and desktop to see if the issue persists and post back when I finish testing.
[ 1298.914776] [drm] probing gen 2 caps for device 8086:9c18 = 5323c42/0
[ 1298.914780] [drm] PCIE gen 2 link speeds already enabled
[ 1298.924821] [drm] PCIE GART of 2048M enabled (table at 0x00000000001D6000).
[ 1298.924955] radeon 0000:03:00.0: WB enabled
[ 1298.924957] radeon 0000:03:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0x0000000032a5f035
[ 1298.924958] radeon 0000:03:00.0: fence driver on ring 1 use gpu addr 0x0000000040000c04 and cpu addr 0x00000000e2aa6f05
[ 1298.924959] radeon 0000:03:00.0: fence driver on ring 2 use gpu addr 0x0000000040000c08 and cpu addr 0x00000000686e35a0
[ 1298.924960] radeon 0000:03:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0x00000000f760a7ed
[ 1298.924962] radeon 0000:03:00.0: fence driver on ring 4 use gpu addr 0x0000000040000c10 and cpu addr 0x000000007bc709b0
[ 1298.925770] radeon 0000:03:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0x000000006d5ad0ce
[ 1299.027093] radeon 0000:03:00.0: failed VCE resume (-110).
[ 1299.267090] [drm] ring test on 0 succeeded in 1 usecs
[ 1299.267096] [drm] ring test on 1 succeeded in 1 usecs
[ 1299.267101] [drm] ring test on 2 succeeded in 1 usecs
[ 1299.267110] [drm] ring test on 3 succeeded in 5 usecs
[ 1299.267117] [drm] ring test on 4 succeeded in 5 usecs
[ 1299.444219] [drm] ring test on 5 succeeded in 2 usecs
[ 1299.444226] [drm] UVD initialized successfully.
[ 1299.444289] [drm] ib test on ring 0 succeeded in 0 usecs
[ 1299.444340] [drm] ib test on ring 1 succeeded in 0 usecs
[ 1299.444386] [drm] ib test on ring 2 succeeded in 0 usecs
[ 1299.444423] [drm] ib test on ring 3 succeeded in 0 usecs
[ 1299.444467] [drm] ib test on ring 4 succeeded in 0 usecs
[ 1300.102452] [drm] ib test on ring 5 succeeded
Print of uname -a : Linux sanic 4.16.3-301.fc28.x86_64 #1 SMP Mon Apr 23 21:59:58 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
This may be hardware specific, my specs are as follows
lscpu :
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 2
Core(s) per socket: 2
Socket(s): 1 ...
Maybe it's some power management issue (nonexistent in higher power states). Here's how you can use different kernel driver (responsible for, among others, power management): https://ask.fedoraproject.org/en/ques...
Look for errors right after the hang in
journalctl -eb0
run as root.