Comment # 8
on bug 108854
from Tom Seewald
I've reproduced this issue on amd-staging-drm-next and have attached a UMR wave and gfx ring dump, along with a new dmesg. To clarify, this issue also prevents me from rebooting/shutting down my computer, and I am forced to hold the power button. Here are the version strings of the relevant software I'm running: Kernel: amd-staging-drm-next (commit: d2d07f246b126b23d02af0603b83866a3c3e2483) Mesa: 18.3.1 Xorg: 1.19.6 UMR: 016bc2e93af2cac7a9bd790f7fcacb1ffdadc819 This is my first attempt at using UMR to get information about this system hang. I'm essentially just copying what Andrey Grodzovsky suggested in a previous thread[0]. Here are the umr commands used to gather the information: Waves dump: umr -i 1 -O verbose,halt_waves -wa GFX ring dump: umr -i 1 -O verbose,follow -R gfx[.] GFX info: umr -i 1 -e I've attached the output of these to the bugzilla report. [0] https://lists.freedesktop.org/archives/amd-gfx/2018-December/029790.html
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