Hello Everyone,
I'm writing this to the list to let you know about some
tests on SMP
kernel of 7.0:
i'm testing both FreeBSD 7.0-BETA4 and FreeBSD6.3 on VMWARE
ESX Server
3.5, using 2 virtual cpu (SMP Kernel).
On freebsd 6.2 and FreeBSD6.3 in ESX Server, SMP kernel is
very unstable
and many processes (like compiling something from source or
installing
from the ports) will end with segmentation fault. Also, the
VM won't
survive a buildworld (the process just freezes).
I've noticed that the problem is no longer present in
FreeBSD7.0-BETA4:
the VM i'm testing is up since 2 days and survived several
buildworlds
and installation from the ports (SMP kernel with 2
processors, APIC
enabled). Also the clock derive problem is no longer
present: while in
freebsd6.2 the clock was loosing 5 seconds per day, on
freebsd 7 it is
loosing only 0.9 seconds per day. Looks promising.
I guess this is due to several rewrites of SMP in freebsd7
kernel.
Anyone can confirm these results?
Thanks,
Daniel Ponticello
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