I keep having a problem with my virtual machines. I'm running kubuntu but the virtual machines are on an NTFS partition (because I use them from windows occasionally). The error message appears at startup and goes like this:
VMware Player unrecoverable error: (vcpu-0)
Failed to allocate page for guest RAM!
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I looked in the log file and saw that immediately before the "Failed to allocate page" bit it said:
Could not mmap paging file : No such device
Apparently this is a known problem with VMs on an NTFS parition, but luckily the solution is very simple. I found a post which recommended editing the .vmx file and adding the following line:
mainMem.useNamedFile=FALSE
This worked perfectly for me, I hope it helps someone else too. See also my post about installing vmware tools