On 10/08/2010 10:59 PM, Arjan Koers wrote:
On 2010-10-09 08:29, Michael Tokarev wrote:
...
The result is that no released linux kernel boots
in smp in kvm, which is a linux virtual machine.
That's irony, isn't it?
I wonder how distributions (which are almost all based
on 2.6.32 nowadays) will deal with the issue.. ;)
It looks like Debian solved it on their 2.6.32 guest by
reverting the commit that makes it hang:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=588426
That's not a wise choice, the commit is needed to prevent clocks going
backwards. It then caused some fallout issues with clobbers, which I
believe hpa fixed, but there were several rounds of it.
Glauber, perhaps, has a better idea of what patches are needed for the
host side kvmclock. I've mostly been working on the server side.
To solve the wider range of problems, distributions converging on 2.6.32
will need all of the fixes backported, both server and host.
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