frequent bugs causing openwindows to crash the system

Attached is a copy of the bug report script. Solaris 11 Express (CDDL), Geforce GTX1650, Quadro 440.44

Built a custom kernel to work around a bug in AMD B450 chipsets and PCI link bandwidth monitoring (CR 11953), but otherwise built from a Nov 2019 code drop

https://www.illumos.org/issues/11953
nvidia-sun-pc-bug-report.log.gz (81.4 KB)

oh here have an xorg.log with some crash information: xorg.txt (15.1 KB)

this is with quadro R455 now, still experiencing graphics exceptions in the kernel driver (13, 31, 32, 56, 69) and X crashing as specified here periodically. GTX 1650, AMD B450 platform, Ryzen 7 2700X