On Sat, 2 Oct 2021 03:17:29 -0700 (PDT) Hugh Dickins hughd@google.com wrote:
Yes (though bisection doesn't work right on this one): the fix
Interesting, as it appeared to be very reliable. But I didn't do the "try before / after" on the patch.
https://lore.kernel.org/lkml/1f955bff-fd9e-d2ee-132a-f758add9e9cb@google.com... seems to have got lost in the system: it has not even appeared in linux-next yet. I was going to send a reminder later this weekend.
Here it is again (but edited to replace "__aligned(4)" in the original by the official "__i915_sw_fence_call" I discovered afterwards; and ignoring recent discussions of where __attributes ought to appear :-)
[PATCH] drm/i915: fix blank screen booting crashes
Thanks, I added it to my "fixes" patch set that I apply before testing. It looks to have done the trick, and the kernel boots now.
Tested-by: Steven Rostedt (VMware) rostedt@goodmis.org
-- Steve