[Bug 103370] `vblank_mode=0 DRI_PRIME=1 glxgears` will introduce GPU lock up on Intel Graphics [8086:5917] + AMD Graphics [1002:6665] (rev c3)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103370

--- Comment #32 from Timo Aaltonen <tjaalton at ubuntu.com> ---
forwarding a comment from an engineer:

"During viewing the source code of radeon module, I found there is a bug [1]
related to the dpm and clocks. So I decided to do some experiments.
Tried to set different max_sclk and max_mclk to see if the issue is gone.
1. max_sclk: 70000, max_mclk: 75000 --> have the same issue
2. max_sclk: 50000, max_mclk: 60000 --> pass multi-run test (more than 50 runs)

[1] https://bugs.freedesktop.org/show_bug.cgi?id=76490
"

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