Graphics draw issues with Silicon Motion Graphics in ThinkPad
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Graphics draw issues with Silicon Motion Graphics in ThinkPad
Trying to revive an old machine here, installed Lubuntu 12.04 on an CF card and plugged it into my old ThinkPad 240Z using VMWare, since the machine doesn't have a CD-ROM (well, a bootable one at least, just an old honkin' PCMCIA one.)
All is well and things run pretty smooth, except for one thing: screen draw issues, see this:
Strangely, it goes away if I have Chromium or LXTerminal opened on maximize, and happens only on other applications that uses window manager cons of some sort (e.g. Pidgin, control panels, etc).
I checked the siliconmotion driver is already installed in Synaptic.
Did you md5sum Lubuntu 12.04 after you downloaded the iso and put it on the cf card. Might be a corrupted iso download and install. This will cause strange behavior when running applications. Some will work, some won't. CF cards are slow at best. I used a ide to cf adapter and use a Hitachi 8 gig Microdrive in the hardrive bay instead which is faster and more durable than cf. It won't work though without the ide to cf adapter. Because I tried with a pcmcia to cf adapter and bios wouldn't recognize it as a ide device. Looks like This which goes in the hard drive caddy.
Quote:
the 240z contains a either a 500 celeron or 600Mghz CPU with a resolution of 800x600 or 1024x768.
I run Antix on my old IBM a22m 1000hz cpu 512MB ram and also IBM T23 1.2 ghz cpu with 1gig of ram. Not that I am recommending another distro. Just saying what I run OK on older machines. So I am not Lubuntu proficient.
I'm sure the ISO is OK because I used the same one to install two other machines.
It's not the speed I'm having an issue with, it seems to run just fine, and I actually have that similar adapter running but in place of it is a high speed Transcend CF. Graphics seem to go corrupt when there are stuff drawn by the window manager.
I'm thinking it could be some hardware detection issues, so thinking might have to do an actual reinstall on the actual machine, just have to find a way for it to boot properly given it doesn't support USB boot or PCMCIA boot. Had some luck with plop boot but USB 1.1 is painfully slow.
Yeah, tried that and no driver issues were found. Seems like it might be a compatibility issue with the LynxEM+ driver with LXDE, the exact same artifacting happened on the Live CD boot. I'll give Xubuntu a try.
Thanks for the help so far.
Last edited by ToniCipriani; 05-11-2012 at 06:20 PM.
Tried a few more stuff, booting into 11.10 and Linux Mint 12 LXDE. Seemingly at this point I can conclude the LynxEM+ is incompatble with LXDE somehow, as I get the exact same issue in all of them.
Found out what it was. Turns out it's not LXDE but the siliconmotion driver in Xorg, since the same thing happened with Debian Squeeze with XFCE. Turned off Graphics Acceleration and problem went away. Though I hope the Xorg guys will fix this some time because without harware acceleration it's kinda slow.
Added the option "NoAccel" in my xorg.conf and it was all good.
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