Re: Long term approaches to mitigate device reset issue in vhost-user-scsi

2019-10-26 Thread Michael S. Tsirkin
On Fri, Oct 25, 2019 at 06:40:41AM -0700, Raphael Norwitz wrote: > Hi MST, > > We are trying to develop a long term fix to the following issue with > vhost-user-scsi: > > When a live migration starts, Qemu sends a SET_VRING_ADDR message to > update the VQ's flags (turning log on). We can't distin

Long term approaches to mitigate device reset issue in vhost-user-scsi

2019-10-25 Thread Raphael Norwitz
Hi MST, We are trying to develop a long term fix to the following issue with vhost-user-scsi: When a live migration starts, Qemu sends a SET_VRING_ADDR message to update the VQ's flags (turning log on). We can't distinguish that message from the first SET_VRING_ADDR message sent after a device re