Re: [Qemu-devel] [PATCH] ide save/restore current transfer fields

2010-01-26 Thread Anthony Liguori
On 01/20/2010 11:01 AM, Juan Quintela wrote: From: Marcelo Tosatti If migration takes place between write of the bmdma address register and write of the command register (to initiate DMA), the destination will not properly start the DMA op, hanging the guest: ata1.00: exception Emask 0x0 SAct 0

[Qemu-devel] [PATCH] ide save/restore current transfer fields

2010-01-20 Thread Juan Quintela
From: Marcelo Tosatti If migration takes place between write of the bmdma address register and write of the command register (to initiate DMA), the destination will not properly start the DMA op, hanging the guest: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata1.00: cmd c8/

[Qemu-devel] [PATCH] ide save/restore current transfer fields

2010-01-20 Thread Marcelo Tosatti
If migration takes place between write of the bmdma address register and write of the command register (to initiate DMA), the destination will not properly start the DMA op, hanging the guest: ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen ata1.00: cmd c8/00:16:41:00:00/00:00:00