https://bugs.freedesktop.org/show_bug.cgi?id=110886
--- Comment #12 from Kai-Heng Feng <kai.heng.f...@canonical.com> ---
> Now it always shows PSP fail.
I've dug up more info about this issue. It always times out in
psp_cmd_submit_buf(). Particularly, this code section:
while (*((unsigned int *)psp->fence_buf) != index) {
if (--timeout == 0)
break;
msleep(1);
}
psp->fence_buf stuck at 406 and index stuck at 407 and it eventually times out.
This _always_ happens at 27th time of S3, and freeze the whole system at 28th
S3 attempt.
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