Thierry Reding <thierry.reding at gmail.com> writes:

> That doesn't sound right. Maybe drmIoctl() needs fixing instead. Looking
> at the history, drmIoctl() was introduced to automatically loop if a
> signal was received (commit 8b9ab108ec1f2ba2b503f713769c4946849b3cb2).
> However the ioctl(3p) manpage doesn't mention that ioctl() returns
> EAGAIN in case it is interrupted by a signal.

EAGAIN is being returned when the GPU is wedged to ask the application
to re-submit the request, which will presumably be held until the  GPU
is un-wedged.

-- 
keith.packard at intel.com
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