Re: kern/55198: When the video card is Intel Mobile965GMExpress,i915drmkmshaserrorCPU pipe A FIFO underrun, also X freezes/hangs

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

The following reply was made to PR kern/55198; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
To: abs%absd.org@localhost
Cc: gnats-bugs%netbsd.org@localhost, tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: kern/55198: When the video card is Intel Mobile965GMExpress,i915drmkmshaserrorCPU
	 pipe A FIFO underrun, also X freezes/hangs
Date: Sat, 4 Jul 2020 17:23:54 +0900

 > Hi, update on this - I'm seeing the same issues (FIFO underrun, X
 > freezes with SNA, OK with UXA) on a Thinkpad T480, latest netbsd
 > current
 > - dmesg shows: Intel UHD Graphics 620 (GT2)
 > - Xorg.0.log shows: intel(0): SNA initialized with Kabylake (gen9) backend
 
 For recent chipsets, it would be better to file a new PR
 to fix actual problems in SNA, rather than workaround by UXA.
 
 Note FIFO error messages are independent problems, it seems.
 (seen on various chipsets)
 
 ---
 Izumi Tsutsui