2010/3/8 Jan Kiszka <jan.kis...@siemens.com>: > Henrik Holst wrote: >> Hi, >> >> I'm running a few Debian Lenny host machines with kernel 2.6.26, in >> production we use kvm-kmod-2.6.31.5 without any problems. Today I >> tested to change to kvm-kmod-2.6.33 and everything went just fine up >> to the moment when a guest exited and when it did the kernel started >> to log thousands of rows about page errors on the host. >> >> modprobe -r kvm-intel (and kvm) and modprobe of the 2.6.31.5 version >> made the problems go away again. Could it be that 2.6.26 is a little >> too old kernel to run as host for the newer kvm? > > Maybe. I'm only testing against 2.6.27 as oldest host, down to 2.6.24 is > solely build-tested. Maybe the missing MMU notfiers in <= 2.6.26 cause > troubles, though this used to work before. > > Can't promise that I find the time to look into this (such old kernels > are out of official scope). If I managed to, I would try to bisect over > kvm-kmod-2.6.32 what import from kvm.git or what kvm-kmod wrapping > brought us the breakage. But maybe someone else finds the time, setup > support would be provided... I figured as much, I'll try to bisect when I get the time.
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