Re: Major KVM issues with kernel 4.5 on the host

[Paolo Bonzini]

On 14/04/2016 18:47, Marc Haber wrote:
>> > Ok, then I guess bisection is needed.  Please first try commit
>> > 45bdbcfdf241.
> I did git checkout 45bdbcfdf241 and built the resulting kernel
> 4.4.0-rc5. This one has now been running for ten hours, which is
> threefold the longest time that a faulty kernel has held before a VM
> experienced corruption. So I guess, that one is fine.

Interesting, this means it's not a KVM bug.  You can ignore my patch
from yesterday (though we'll get it in anyway).

> Since 4.5.0-rc1 is bad, I guess I do:
> 
> git checkout 45bdbcfdf241
> git bisect start
> git bisect good
> git bisect bad v4.5.0-rc1

This is correct but you also want to do

git bisect good 4.4.0
git bisect good 4.4.0-rc5

so that bisection basically works through the commits in the merge window.

Thanks,

Paolo