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Re: strange melting screen when X starts

Once upon a time, I heard Xiaolan Ling say

> Hi, 
> I installed the newest XFree86 4.0.1 on my Debian2.1 laptop recently,
> and now it works. But there are still some problems.
I haven't tried Xfree86 4.0.1 on my laptop yet. I'm waiting for the deb
package, so the big hassle should be taken out of my hand :) Current 
3.3.6-10 .deb is working fine for me, but slow, huh !.

> My laptop is Twinhead Slimnote VX3, Toshiba 12.1" TFT LCD, 800x600 SVGA,
> 2560K VideoRAM, Trident Cyber 9525DVD chip.
Similar to me, I have power slim 600.

> 1) After start up the X, I always get a unreadable colorful screen. It
> melts from the edges to the center of the screen. After doing ctrl-alt-+
> to switch to 800x600 or 640x480 mode, it will be ok. I don't know where
> this colorful screen comes from, since I only have 800x600 and 640x480
> in my XF86Config file.
I usually saw the green/red melting screen when I reboot by, shutdown -r.
I have frame buffer support running at 800x600 in the kernel, do you have
one? With out it, I couldn't get X to resume from apm properly. The 
display would be like a garbage.

> 2) After start xdm, I can't login using a normal user account. Only root
> is ok. If I login as others, it will give me that colorful screen. And I
> have to switch to 800x600. Then I am still not logged in.
not sure whether this is xdm that comes with your XFree 4.0.1 problem or
not. It could be that start up scripts are messed up when you upgrade X.

> 3) I can't exit from X properly. In xdm, if I click on the 'exit' in the
> pop menu, it will show me the colorful screen again, and more worse,
> keyboard and mouse will stop responding. I have to tune off the power
> and start again.
No idea.

> After running xvidtune I got these settings:
> Pixel clock(MHz): 56.30
> HSync(KHz): 53.72 
> Sync(Hz): 85.14
> Hdisplay: 800
> HSync start: 832
> HSync end: 896
> Htotal: 1048
> Vdisplay: 600
> VSync start: 601
> VSync end: 604
> Vtotal: 631
> In /var/log/XFree86.0.log file I found 
> Trident(0): Setting BIOS MODE 6d
> and after I do ctrl-alt-+ it will change to 6c, do it again, it will
> back to 6d. I don't know what that means. Does it matter?
> Yesterday, I tried to change something in XF86Config, and then start
> xdm, the colorful screen became a bit readable. I can see the
> login frame, although it's very ugly. I forgot what I changed. Probable
> the dot clocks and modeline.

Xfree86 4.0.1 deb should be out very soon, see X-strike force page, under
development corner.

| Just Debian ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ chanop@debian.org|

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