[igt-dev] [PATCH i-g-t] i915/gem_busy: Prevent context ban with right ctx id

[Dixit, Ashutosh]

On Sun, 23 Jan 2022 18:38:33 -0800, Chuansheng Liu wrote:
>
> When running multiple hang tests, the code is intended to
> disallow context ban at first, but it is always with fix
> ctx id 0. It will cause below test failures when running
> the test gem_busy:
>
> --
> tarting dynamic subtest: vcs0
> (gem_busy:18571) ioctl_wrappers-CRITICAL: Test assertion failure
> function gem_execbuf_wr, file ../lib/ioctl_wrappers.c:706:
> (gem_busy:18571) ioctl_wrappers-CRITICAL: Failed assertion:
> __gem_execbuf_wr(fd, execbuf) == 0
> (gem_busy:18571) ioctl_wrappers-CRITICAL: error: -5 != 0
> --
>
> -5 (EIO) means the context is banned and can not be used for
> execution.
>
> This patch corrects the ctx id accordindly. Furthermore,
> there are other code places with similar mistakes, will
> try to send out the fixes further.
>
> Signed-off-by: Chuansheng Liu <chuansheng.liu at intel.com>

The SOB I think should be with the top description otherwise SOB is dropped
when we apply the patch. Anyway I've fixed it up and merged it this
time. Thanks for the patch.