Re: Radeon HD 4250: screen going blank every few seconds

Andrea Venturoli <[email protected]>
Newsgroups gmane.os.freebsd.devel.x11
Message-ID <[email protected]>
On 12/31/18 8:08 AM, Andrea Venturoli wrote:

> I think I did it right, since "hw_i2c forced on, you may experience 
> display detection problems!" is gone from Xorg.log.
> However, it didn't help with the screen going blank.

Sorry, I was too fast about this, as I had misspelled the line in 
/boot/loader.conf.

When correctly written, the machine boots, but as soon as the kmod is 
loaded:
_ if the screen is connected via VGA connector, everything is fine (but 
this is also true without this setting);
_ if the screen is connected via HDMI, it goes blank for good (can't 
interact with the system anymore and have to reboot);
_ if the screen is connected via DVI, resolution goes to 1024x768 and 
that's the maximum available even after X11 is started.

So, this is a no go.

  bye & Thanks
	av.
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