maintainer-feedback requested: [Bug 249932] graphics/drm-fbsd12.0-kmod: panic on certain graphics operations

[bugzilla-noreply at freebsd.org]

Bugzilla Automation <bugzilla at FreeBSD.org> has asked freebsd-x11 (Nobody)
<x11 at FreeBSD.org> for maintainer-feedback:
Bug 249932: graphics/drm-fbsd12.0-kmod: panic on certain graphics operations
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=249932



--- Description ---
Scenario:
- FreeBSD 12.1-RELEASE-p6 #6 r362488M
- latest ports, amongst them drm-fbsd12.0-kmod-4.16.g20200221,
drm-kmod-g20190710, gpu-firmware-kmod-g20200920
- CPU: AMD Phenom(tm) II X4 955 Processor (3210.75-MHz K8-class CPU)
- Chipset: "ATI Radeon HD 4290" (ChipID = 0x9714)
- Starting X via sddm
- Logging in
- Starting firefox
- Modify toolbar, drag one icon

Result:
- The machine panics

Note:
- This has been happening for a long time; from time to time I am checking
whether it might be working again.