[Bug 106373] [CI] igt at drv_module_reload@basic-reload - dmesg-fail - Failed assertion: __gem_execbuf(fd, execbuf) == 0 && Failed to idle engines, declaring wedged!

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu May 3 12:55:34 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=106373

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
Created attachment 139306
  --> https://bugs.freedesktop.org/attachment.cgi?id=139306&action=edit
Kick softirqs harder

In both cases it is the 200+ms latency caused by ksoftirqd, falling afoul of
our 200ms timeout before declaring bankruptcy. Our loop uses usleep and
schedules, so it is not like ksoftirqd doesn't have the opportunity to run.
I've been very tempted to execute the tasklet directly, but that doesn't solve
the issue that we may encounter the 200ms delay while trying to execute things
on the GPU.

This is one of the reasons why we need patches like
https://patchwork.freedesktop.org/patch/219353/

What I am using at the moment is attached.

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