About 50% of the time the driver recovers in 10 - 15 seconds, otherwise a reboot is required.
Anyone experiencing similar problems? Are there suggestions for a fix?
Sounds like a serious driver bug to me.
What Java application are you running?
Could you please do this:
start cmd.exe, set this env. variable: J2D_TRACE_LEVEL=4 and start any java application from this console. It will print out a bunch of information about the driver version - could you post that please.
Then see if there's a newer video driver version on manufacturer's website.
If there's one, try installing and see if if it helps.
If there isn't a new version or it doesn't help, you can disable the use of Direct3D by Java2D by setting the following property in Java Control Panel: -Dsun.java2d.d3d=false .
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