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Date: Wed, 25 Jan 2012 18:03:29 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v2 11/33] scsi-disk: support DVD profile in
 GET CONFIGURATION
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To: Artyom Tarasenko <atar4qemu@gmail.com>
Cc: kwolf@redhat.com, Blue Swirl <blauwirbel@gmail.com>, qemu-devel@nongnu.org

On 01/25/2012 05:34 PM, Artyom Tarasenko wrote:
> This patch produces the following error when booting Solaris/SPARC:
>
> WARNING: /iommu@0,10000000/sbus@0,10001000/espdma@5,8400000/esp@5,8800000
> (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?
>
> $ 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.

Paolo