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List:       fedora-list
Subject:    Re: F22 unusable - system freezes on login
From:       Joe Zeff <joe () zeff ! us>
Date:       2015-07-02 19:33:09
Message-ID: 559591F5.1010305 () zeff ! us
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On 07/02/2015 12:05 PM, Matthew Woehlke wrote:
> The display is unchanged; I still see the login dialog / prompt /
> whatever was on screen previously. (Although with updated kernels, TTY
> switching results in an unrecoverable black screen.)

Have you tried the Magic SysRq key?  Even in single-user mode, you 
should be able to do what's needed to activate it.  Check the third post 
in this thread for details: 
http://forums.fedoraforum.org/showthread.php?t=304057&highlight=magic+sysrq

I'd also suggest doing a little experimenting before you reboot, so that 
you know exactly what combination of keys works.  If it works in 
single-user mode, but not when you need it, there's a good chance that 
whatever's wrong is hardware, but try booting into a CLI because it just 
might be a video driver issue.
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