11.06.2015 23:46, Apollon Oikonomopoulos wrote: > On 15:12 Wed 03 Jun , Apollon Oikonomopoulos wrote: >> Any ideas? > > As far as I understand, there is an issue when reading the MSR on the > incoming side: there is a KVM_SET_MSRS vcpu ioctl issued by the main > thread during initialization, that causes the initial vCPU steal time > value to be set using the main thread's (and not the vCPU thread's) > run_delay. Then, upon resuming execution, kvm_arch_load_vcpu uses the > vCPU thread's run_delay to determine steal time, causing an overflow. > The issue was introduced by commit > 917367aa968fd4fef29d340e0c7ec8c608dffaab. > > For the full analysis, see https://bugs.debian.org/785557#64 and the > followup e-mail.
Adding Cc's... Thanks, /mjt
