[Bug 111481] AMD Navi GPU frequent freezes on both Manjaro/Ubuntu with kernel 5.3 and mesa 19.2 -git/llvm9

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111481

--- Comment #227 from John H <hamz_23 at hotmail.com> ---
Hi all.

For the last couple weeks I have been following this thread and just wanted to
reprot my experiences findings. First off, my machine's specs:

AMD Ryzen 3700X
Aorus X570 Pro Wifi motherboard
32 GB (16x2) DDR4 3200 RAM
PowerColor Red Devil 5700XT Graphics
Various SSD / HDD all on SATA.
Windows 10 / Debian Sid

Debian Sid: Kernel 5.3.10, Mesa 19.2.3, LLVM 9 as of writing this.

In the whole time I have had this graphics card (October 21 onwards) I dont
think I have had any crashes / freezes on the desktop or during browsing
through Chromium. However, I have hard freezes when playing games. A specific
one I can reproduce EVERY. SINGLE. TIME. was when playing Unreal Tournament 3
via Steam proton. The "Shangri La" map i encountered lockups anywhere from a
few seconds to a few minutes into the game. Forcing me to hit the reset button.
I was able to SSH in via my phone before resetting and looking at dmesg said
something about amdgpu GPU recovery failed. 

My 5700XT, has a dual BIOS's. One overclocked, the other for "silent". By
default the switch was in the OC position, earlier today I flipped it to
silent. and since then, NO freezes in UT whatsoever! I figured the factory
overclock PowerColor implemented on this card was just a touch too high and is
therefore unstable. Forza 6 Apex in Windows 10 also hard freezes my PC, forcing
me to reset. That problem also has been eliminated since flipping the switch. A
slight performance loss but I'll take the stability anyday.


TL;DR - If your Navi card has dual BIOS, try switching to the lower clocked
BIOS if you haven't already. it may just help. Certainly, I'll report back if I
find any other issues in Debian that is linked to this gfx card

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