[Bug 259670] graphics/drm-510-kmod: sporadic GPU hang with i915kms

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=259670

Graham Perrin <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freebsd.org/bu
                   |                            |gzilla/show_bug.cgi?id=2617
                   |                            |73,
                   |                            |https://bugs.freebsd.org/bu
                   |                            |gzilla/show_bug.cgi?id=2663
                   |                            |15
             Status|New                         |Open
            Summary|graphics/drm-kmod: sporadic |graphics/drm-510-kmod:
                   |GPU hang with i915kms       |sporadic GPU hang with
                   |                            |i915kms
           Severity|Affects Only Me             |Affects Some People
           Keywords|                            |crash

--- Comment #20 from Graham Perrin <[email protected]> ---
With bug 261773 fixed in February 2022, I wonder whether what remains here is a
mixture of reports …


(In reply to Peter Much from comment #19)

> … no further interaction is possible, 

If things seem stuck at ttyv0, then does e.g. Alt-F3 followed by Alt-F2 have
any effect?


> hard poweroff necessary, …

Try this in your /etc/sysctl.conf

hw.acpi.power_button_state="S5"

– then restart the computer, and next time things seem stuck: try a _short_
press on the power button (not so hard).

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