Re: [Qemu-devel] [PATCH v2 11/33] scsi-disk: support DVD profile in GET CONFIGURATION

[Paolo Bonzini]

On 01/25/2012 09:13 PM, Artyom Tarasenko wrote:
> On 1/25/12, Paolo Bonzini<address@hidden>  wrote:
> > On 01/25/2012 05:34 PM, Artyom Tarasenko wrote:
> > > This patch produces the following error when booting Solaris/SPARC:
> > >
> > > WARNING: 
> > > /address@hidden,10000000/address@hidden,10001000/address@hidden,8400000/address@hidden,8800000
> > > (esp0):
> > >           data transfer overrun: current esp state:
> > > esp:            State=DATA Last State=DATA_DONE
> > > esp:            Latched stat=0x91<IPND,XZERO,IO>   intr=0x10<BUS>   fifo 0x0
> > > esp:            last msg out: IDENTIFY; last msg in: COMMAND COMPLETE
> > > esp:            DMA csr=0xa4240030<FLSH,INTEN>
> > > esp:            addr=fc005860 dmacnt=0 last=fc005858 last_cnt=8
> > > esp:            Cmd dump for Target 6 Lun 0:
> > > esp:            cdblen=10, cdb=[ 0x46 0x2 0x0 0x0 0x0 0x0 0x0 0x0 0x8 0x0
> > > ]
> > > esp:            pkt_state=0xf<XFER,CMD,SEL,ARB>   pkt_flags=0x10000
> > > pkt_statistics=0x0
> > > esp:            cmd_flags=0x462 cmd_timeout=60
> > >
> > > Particularly it seems that Solaris is not happy with respose length
> > > > 8. Any idea, why?

The response length is not 8, it is 40; but Solaris only expected 8 (see 
the CDB in the error dump).

> > > $ sparc-softmmu/qemu-system-sparc -bios ~/ss5-170.bin -m 32 -nographic
> > > -drive if=scsi,unit=6,media=cdrom,file=~/Solaris9cd1.iso
> >
> >    From a quick look, it's the same bug that was reported recently on
> > INQUIRY commands.
>
> If you need I can provide more input.

You can test http://article.gmane.org/gmane.comp.emulators.qemu/133434 
if you have time.

Paolo