Bug#169308: xserver-xfree86: LCD blanks and won't unblank -> kernel bug?
Branden Robinson writes:
> On Sat, Nov 30, 2002 at 10:09:17PM -0500, Jerry Quinn wrote:
> > Chris Halls writes:
> > > I read this in Kernel Traffic #192. Could this be your problem?
> >
> > > Marcelo Tosatti announced 2.4.20-rc1 and included the BitKeeper summary. He
> > > said, "Several networking fixes, net drivers fixes, devfs root boot option
> > > fixed, and more." Carl-Daniel Hailfinger reported that his system would come
> > > back up with a blank screen after a hardware suspend and resume. Switching
> > > to another console and back again would fix it. He traced the problem to
> > > 2.4.18-pre7, in the power management code; and Marcelo asked if he'd
> > > actually reverted the part of the code he'd identified. Carl tried this and
> > > found that his initial assessment was wrong. Instead, he traced the problem
> > > all the way back to some framebuffer changes in 2.4.18-pre1. He posted a
> >
> > I don't think so. The problem below occurs as a result of fbdev
> > suspending and shows up after resume. My problem is when the screen
> > blanks after being idle for a while, and doing suspend/resume fixes
> > it. Also, I don't use fbdev, because I don't get a working display at
> > all with it.
> >
> > That said, I can pull down this kernel and give it a try.
>
> Did this have any effect on the problem?
Unfortunately no. I'm now running 2.4.21-4-686 and I still have the
same problem. I haven't yet tried playing with X 4.3, though.
BTW, I can also restore the screen by switching to a virtual console,
pressing Fn-F3 which tells the bios? to blank the screen, wait a
couple of seconds, hit any key such as Alt to turn the screen back on,
then shift back to VC7 to return to my X display. This is the
workaround I've been living with.
Jerry
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