pkg/57762: MesaLib crashes in vdpau or dri with r600

[tlaronde%kergis.com@localhost]

>Number:         57762
>Category:       pkg
>Synopsis:       MesaLib crashes in vdpau or dri with r600
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Dec 09 10:40:00 +0000 2023
>Originator:     Thierry LARONDE
>Release:        NetBSD 10.0_RC1
>Organization:
>Environment:
NetBSD cauchy.polynum.local 10.0_RC1 NetBSD 10.0_RC1 (CAUCHY) #0: Thu Dec  7 15:47:29 CET 2023  tlaronde@cauchy.polynum.local:/data/m/netbsd-10/sys/arch/amd64/compile/CAUCHY amd64

>Description:

MesaLib-21.3.9nb3

Both xine(1) and vlc(1) crashes, in various contexts, but always in MesaLib with vdpau and dri r600 drivers.

See PR pkg/57760 and pkg/57761.

For now:
- xine(1) can't do anything;
- vlc(1) plays mp4 but not DVD;
- ogle (not depending on hardware accelaration) plays DVD.



>How-To-Repeat:
On a node with a radeon (r600), try reading a DVD with vlc(1) or invoke without arguments xine(1).
>Fix: