On 09/12/2014 19:15, Dr. David Alan Gilbert (git) wrote: > (With the previous atapi_dma flag recovery) > If migration happens between the ATAPI command being written and the > bmdma being started, the DMA is dropped. Eventually the guest times > out and recovers, but that can take many seconds. > (This is rare, on a pingpong reading the CD continuously I hit > this about ~1/30-1/50 migrates) > > I don't think we've got enough state to be able to recover safely > at this point, so I throw a 'medium error, no seek complete' > that I'm assuming guests will try and recover from an apparently > dirty CD.
What is the part of the state that is not being migrated? Also, what is the ATAPI command that is being run? Paolo