may i suggest, based on your symptom (ie southern islands gpu lockup in
tf2; you're fortunate that a gpu reset is successful unlike me), that
you look at bug #1652486.
after rebuilding mesa with the upstream patch applied (see patch in
aforementioned bug report) and installing the resulting
after rebuilding mesa with the patch applied and installing the
resulting packages (specifically libgl1-mesa-dri:i386 as i traced the
change code/function through the build process to that package and tf2
is i386 even on amd64, but also dependencies and associated packages)
tf2 no longer prompts a
** Attachment added: "kernel log of GPU lockup, GPU soft reset, and blocked
tasks"
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1652486/+attachment/4796223/+files/gpu_hang.log
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** Attachment added: "video card lspci output"
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1652486/+attachment/4796224/+files/lspci.log
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Public bug reported:
package: mesa
version: 11.2.0-1ubuntu2.2
release: 16.04.1 / "Xenial"
references:
* https://bugs.freedesktop.org/show_bug.cgi?id=93649
* https://cgit.freedesktop.org/mesa/mesa/commit/?id=6dc96de3
symptoms:
1. kernel reports "GPU lockup"
2. kernel reports "GPU softreset"
3.
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