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Monitor blanks out...

8 replies [Last post]
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Joined: 2005-12-20

Okay, so i've been leaving my computer turned on day and night for the past few days, and twice i've had to shut it off (via the power switch) because when i get home from school the monitor is blanked and i can't get it un-blanked again. So far i think this only happens when i'm in X, not console. Does anyone have any ideas of what might be causing this and/or how to fix it?

dylunio's picture
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Joined: 2005-12-20

Are there anything in the logs from the time it shutdown?

What distro are you using, I've had this problem with breezy.

dylunio

libervisco's picture
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Joined: 2006-05-04

Hm, it may be a coincidence but supermike had a very similar problem. He is using xscreensaver blank screen and it also locks up.

I wonder if you guys use the new Xorg 7? I have experienced lock ups occassionally with that although only on some 3D screensavers or programs like celestia and some games. It seems Xorg 7 isn't entirely stable yet.. or maybe it is latest xscreensaver that is a bit unstable. In that case you could try gnome-screensaver as an alternative (as suggested by free-zombie in the other thread).

But I'm just guessing. Your problem could well be something entirely else.

Looking at the logs should help indeed.. with most of such problems.

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Joined: 2005-12-20

I'm currently using Debian stable (so XFree86 4.3 i think is the version) but i've had this problem on other distros before (Gentoo is one of them, i think) I'm not using any screensaver programs or anything, it's just blanking

i checked XFree86 log and the last thing it says is

SwitchToMode - Succeeded
GetModeLine - scrn: 0 clock: 54000
GetModeLine - hdsp: 640 hbeg: 688 hend: 744 httl: 900
vdsp: 480 vbeg: 480 vend: 482 vttl: 500 flags: 37
libervisco's picture
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Joined: 2006-05-04

Hm, that unfortunately doesn't tell me much. What about what's in /var/log/messages.log ?

Thanks

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Joined: 2005-12-20

I didn't find anything significant in /var/log/messages. I left the monitor on and in console (while X was running on tty7) and it didn't lock up tonight (it did blank out though, i think)

a thing's picture
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Joined: 2005-12-20

Perhaps it's a problem with your video driver. There might be multiple drivers available, search here.

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Joined: 2005-12-20

I'm using the proprietary nvidia driver :\
i've fixed the problem by just switching to tty2 when i go to sleep, but it would be nice to know what is causing the problem

a thing's picture
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