Re: getting back from a black screen

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Tim Evans wrote:
On 04/08/2013 11:24 AM, Tim wrote:
Allegedly, on or about 08 April 2013, Richard Vickery sent:
In the case where you have sensitive information that you don't want
people looking at it, or children deleting it, how does one get back
from this screen without rebooting and losing ones work?

As soon as you go for the mouse or keyboard, a logon prompt appears for
you to type in the password.

If that's not happening, then it's not a screensaver lockout that you're
facing.  But most likely a graphics crash.  Sometimes that's caused by a
screensaver, some of them are just not that well written, and crash when
they're fired up.


Don't mean to take this too OT, but this is now sounding like the regular
"graphics crash" I have whenever I wake my laptop up from hibernation.  Happens
consistently with all 3.8.x kernels so far; not with the last 3.7.x kernel.

If you have an ATI/Radeon video setup and are using the stock kernel driver instead of the vendor driver, I've seen this before. There are two ways to attack this:
1 - install the vendor driver for your kernel
    (I have not had any problems doing this but your computer will be impure)
2 - you can try adding "nomodset" to the kernel command via editing at boot
    time (in case it totally screws up your video). I have had this work
    in about 30% of the machines I tested.

Like any advice regarding kernel command options and/or vendor drivers, use your own judgement, this is history of my experience, not advice.

--
Bill Davidsen <davidsen@xxxxxxx>
  "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot
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