Il 22/08/2012 15:13, Stefan Hajnoczi ha scritto: > http://lists.gnu.org/archive/html/qemu-devel/2010-12/msg01741.html > > "This is a real problem in practice. IE. the USB CD-ROM on this POWER7 > blade limits transfers to 0x1e000 bytes for example and the Linux "sr" > driver on the guest is going to try to give me bigger requests than that > if I don't start limiting them, which will cause all sort of errors." > > It cannot be fixed for emulated SCSI HBAs in general but it can for > virtio-scsi.
For disks, this should be fixed simply by using scsi-block instead of scsi-generic. CD-ROMs are indeed more complicated because burning CDs cannot be done with syscalls. :/ Paolo
