[Bug 79011] GPU lockup, screen freeze with Radeon HD7770

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=79011

--- Comment #14 from Thue Kristensen <thuejk at gmail.com> ---
I have the same problem, and turning the screen off and on doesn't work. The
computer is completely frozen. (sysrq-boot does work)

Rarely when changing resolution (like during boot), the screen says "signal out
of range", but turning the screen off and on does help then. I believe that is
a separate bug.

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