[Bug 99195] Random GPU lockup on Fedora 25 Wayland & X sessions with Mobility Radeon HD 5650/5750 Opensource drivers

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99195

--- Comment #12 from johnrory.odwyer at gmail.com ---
I have been meaning to update this bug report for a long time but I have been
having difficulty getting back to a stable system with the right combination of
kernel, mesa & xorg-x11-drv-ati. Downgrading mesa makes no difference. I
suspect the problem is something in the kernel

This bug is severe for me, leaving my system almost unusuable. GPU lockup can
happen anywhere from turning on the laptop to just before I get to gdm to log
in. If I manage to log in the session might only last a few minutes. A long
lasting session is a rarity

A hard reboot is necessary. Often when I turn back on the system it just goes
straight away to a black screen. It doesn't even go the the Dell boot menu that
gives the bios options etc. The card would seem to be alive. Sometimes in this
situation I get a beeping sound from the hardware.

However right now I seem to have hit a sweetspot with the following:
kernel-4.12.8-300.fc26
mesa-17.1.7-1.fc26
xorg-x11-drv-ati-7.9.0-1.fc26

I get long sessions lasting possibly hours without lockup. I still do have some
problems:

1: Even after a long session without a lockup if I shutdown the laptop normally
and try to boot it a few hours later it just goes straight away to a black
screen. It doesn't even go the the Dell boot menu that gives the bios options
etc. 
2:There are still the odd random lockup giving all the problems above

Should I change tack & report a bug relating to the kernel instead?

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