John R Pierce wrote:
>whoops, no they haven't. If I launch X-windows or something while two
>mersenne instances are running, it gets ILLEGAL SUMOUT on both instances
>within a few seconds. Uh oh. sounds like something wrong with the system
>architecture.
George Woltman answers...
> not necessarily. In Windows, ILLEGAL SUMOUTS often occur from
> drivers or the OS not saving FPU state properly. Maybe Linux has the
> same trouble. If you don't start to get the other error types, I'd
suspect so.
Ok, then a question for the group at large... Anyone else running 2
instances of mprime on linux on any sort of dual PPro/P-II/P-III/Xeon
system? Using something along the lines of 2.2.13ish (This is a Redhat 6.1
"SBE" edition). Anyone see Illegal Sumouts when they do things like startx
then stopx or maybe change display modes? For what its worth, this
particular system has a ATI Rage128 onboard and is using XF86_SVGA 3.3.6.
-jrp
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