Hi all

I've just tracked down the cause of weird console & X corruption that's 
bugged me for 18 months or so. I'd login at a console and startx. Switch 
to another console and login there as well. Text appears okay. Back to X. 
After running my usual apps for a while I'd flip back to the console 
session, and any text I typed didn't show up, though previously 
typed/echod text displayed okay. Switch to yet another console & back 
again, and the missing text was revealed (though new characters wouldn't 
show). A second X session (startx -- :1) also showed weird text 
appearance in some terminals (konsole, for instance). I thought it might 
be framebuffer related, but booting with vga=normal should mean it's 
disabled.

It turns out it only happens when running Downloader for X (nt or d4x on 
Debian), and then only if it's been iconised. Restore it, and console/X 
sessions work as expected; iconise it and the corruption comes straight 
back. I've not yet found any other GTK apps (or any others) that cause 
this to happen, so I don't think it's Blackbox related. 

The reason I'm asking here (hopefully vaguely on topic) is to find out if 
there's any weird voodoo that happens with an app when it's iconised 
rather than showing [shaded|windowed|maximised] on screen. I'm currently 
running alpha9, but it's obviously not that that's doing it.

The graphics card is a Matrox G450 and I've had this happen with all the 
2.4 kernels I've tried with it (2.4.2, 2.4.4, 2.4.9 & 2.4.18). Everything 
else is current Debian sid (XFree 4.1.0 still).

Regards, Martin
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