Am 09.04.2015 um 17:17 schrieb Paolo Bonzini: > > On 09/04/2015 16:54, Peter Lieven wrote: >> #define BM_MIGRATION_COMPAT_STATUS_BITS \ >> (IDE_RETRY_DMA | IDE_RETRY_PIO | \ >> IDE_RETRY_READ | IDE_RETRY_FLUSH) >> >> Why is there no IDE_RETRY_WRITE ? > Because that's represented by none of read and flush being set. :) > >> Honestly, I have not yet understood that that >> BM_MIGRATION_COMPAT_STATUS_BITS is for. > It's just for migrations while the VM is stopped due to I/O errors > (rerror=stop/werror=stop).
My migration problem seems to be a regression or incompatiblity in kvm-kmod. I started debugging with an old kvm module accidently. It seems to work with the old module shipped with the kernel (3.13) and fails with (3.19). Any ideas, Paolo? Peter