On Tue, Feb 9, 2021 at 4:12 PM Gerd Hoffmann <kra...@redhat.com> wrote:
> Hi, > > > A noticeable issue when comparing the pcap files seems to be at Fedora > pcap > > frame 8 and Mac OS 9.2 pcap frame 28 (configuration descriptor). It seems > > the Mac OS side is missing 5 bytes and hence the packet is malformed. > > (A run with Mac OS 9.0 as guest showed that this guest only missed 1 byte > > in the response.) > > That is normal. Note that the configuration descriptor is requested > twice: Once with a buffer large enough to see the wTotalLength field. > and then again with a buffer large enough for the whole descriptor. > > > Also visible in the Mac OS pcap file at frame 53 is that it seems a setup > > package is contained in an URB that is not suited for it. > > Looks more like a bug in the qemu pcap code, probably have to set some > flag to indicate the setup section doesn't contain valid data instead > of just leaving it all blank. > > Frame 55 is probably the problematic one. Look at the timestamps. The > device seems to not answer, then after a while macos seems to try reset > the device. > > Also the fedora trace has the bulk transfer data so wireshark can decode > usb-storage commands and the scsi command wrapped inside. That is not > the case in the macos trace. Not sure whenever that is another bug in > the pcap code. It could also indicate the bug in the ohci emulation > which in turn causes macos fail ... > > > Qemu-system-ppc is started like this for the Mac OS guest: > > ./qemu-system-ppc \ > > -M mac99,via=pmu \ > > -m 512 \ > > -boot c \ > > -serial stdio \ > > -L pc-bios \ > > -drive file=/home/hsp/Mac-disks/9.2.img,format=raw,media=disk \ > > -device usb-host,vendorid=0x058f,productid=0x6387,pcap=macos92.pcap > > Does an emulated usb stick work with macos? > > Hi Gerd, Thanks for getting back to me. Yes, usb-storage works just fine with -drive if=none,id=stick,file=/home/hsp/Mac-disks/9.0.img,format=raw \ -device usb-storage,drive=stick Best, Howard
