[Mesa-dev] [ANNOUNCE] Mesa 17.3.4 release candidate
kenneth at whitecape.org
Wed Feb 21 19:14:21 UTC 2018
On Thursday, February 8, 2018 8:47:00 PM PST Emil Velikov wrote:
> Rejected (9)
> Jason Ekstrand (2):
> e52a9f18d69c94b7cb7f81361cdb9e2582c3d742 i965: Replace
> draw_aux_buffer_disabled with draw_aux_usage
> 20f70ae3858bc213e052a8434f0e637eb36203c4 i965/draw: Set
> NEW_AUX_STATE when draw aux changes
> Reason: Introduce multiple regressions in the piglit compute shader tests.
These are absolutely critical fixes. These patches fix GPU hangs and
crashes in Glamor which cause people's X session to die when doing
exciting things like using their text editor, IDE, or desktop panel.
It's responsible for a huge swath of our GPU hang bugs on i965.
Did Jason or I miss an email from you about these being rejected,
other than at the bottom of a large changelog in an RC announcement?
Which Piglit tests are regressing? My guess is that we just need to
nominate another patch, as they aren't broken in master.
At this point, we've done 5 point releases in the 17.3.x series, which
have had DRI3 crashes when pageflipping (in all drivers), and X server
hangs and crashes galore in i965/Gen9+. Worse, we fixed those hangs a
month ago and haven't managed to ship them yet. We also managed to
ship a radv that broke completely.
At this point, 17.3.x is looking like the worst Mesa release in recent
memory, and I'm about on the verge of advising people to just go back
to 17.2 until 18.0 comes out. It's pretty frustrating, and I feel bad
for our users, who depend on our software for their computer to work.
We have to do better, somehow - myself included. Ideally, we'd find a
way to avoid major bugs like this in the first place. Barring that,
do we need to have developers take a more active role in backporting
fixes again? It seems like our nomination process works for simple
things, but for more complex series, it doesn't work as well. Maybe
we need to proactively put together (tested) pull requests for stable?
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