On 06/03/2013 06:07 PM, Benjamin Herrenschmidt wrote: > On Mon, 2013-06-03 at 15:46 +1000, Alexey Kardashevskiy wrote: >> Ok. I implemented {save|load}_request for IBMVSCSI, started testing - >> the >> destination system behaves very unstable, sometime it is a fault in >> _raw_spin_lock or it looks okay but any attempt to read the filesystem >> leads to 100% cpu load in qemu process and no response from the guest. >> >> I tried virtio-scsi as well (as it was referred as a good example), it >> fails in exactly the same way. So I started wondering - when did you >> try it >> last time? :) > > Did you try virtio-blk or even a ramdisk ? IE, Make sure the problem > isn't some kind of generic migration issue unrelated to storage ?
False alarm. During multiple switches between different git branches, I just lost my own patch which disables "bulk" migration (which we want to revert anyway, just waiting for the author to do that himself) :) At least my test does not fail any more. Sorry for confusing. -- Alexey