Ultimate Boot CD

That worked.

Thank you

In UBCD 5.3.3 when I run the Mersenne Prime Test V28.5 I receive an error message that says Not recognised UBCD args: 'mprime27'

Mersenne Prime Test V23.9.2 works correctly.

Maybe there is bug in the script that runs the test?

I copied those 2 files into the specified folder on my ubcd usb drive and followed your instructions during boot. Unfortunately my usb keyboard still didn't work. However, it did properly detect that the computer has 4 cpus instead of the 1 that is detected by the unmodified ubcd 5.2.1. Hi bob3248,...

I copied those 2 files into the specified folder on my ubcd usb drive and followed your instructions during boot. Unfortunately my usb keyboard still didn't work. However, it did properly detect that the computer has 4 cpus instead of the 1 that is detected by the unmodified ubcd 5.2.1.

Here is the cpuinfo file from the Core 2 Quad Q9650 desktop. I got it from the 32 bit version of Parted Magic 2013_02_28 (Not the Parted Magic in UBCD)

In UBCD 5.2.0 and 5.2.1 cpustress does not correctly detect the number of cpus. I tested it on a desktop Intel Core 2 Quad Q9650 (4 cores, 4 threads) and a notebook Intel Core i5-3210M (2 cores, 4 threads) and it both cases it detects only 1 cpu and runs only 1 instance of the mersenne prime test. A...

That workaround solved the problem. Thanks.

When I try to run the Mersenne Prime Test v24.14 in UBCD 5.1 I get an error message that says: [1.168034] kernel panic - not syncing:VFS:Unable to mount root fs on unknown block (1,0) I receive this error on 2 different computers and if I run UBCD in a VirtualBox virtual machine. I tried changing th...