Il 11/09/2014 19:11, Gabriel L. Somlo ha scritto: > On Thu, Sep 11, 2014 at 06:40:38PM +0200, Paolo Bonzini wrote: >> Il 11/09/2014 18:35, Gabriel L. Somlo ha scritto: >>>>> Can you configure Chamaleon to avoid the boot prompt? >>> Yes. After doing that, usb starts working once OS X is fully booted. >>> >>> Works with either piix or q35 just fine. >>> >>> Does this mean it's likely to be an OVMF uhci/ehci issue specific to Q35 ? >>> (one from which Fedora can recover but OS X can't) ? >> >> Yes, that's my interpretation too. >> >> You did test an UHCI controller, I think, but I don't remember---did you >> test an EHCI controller without companions, using something like >> "-device ich9-usb-ehci1,id=myehci -device usb-keyboard,bus=myehci.0"? > > That fails during QEMU initialization with: > > qemu-system-x86_64: -device usb-kbd,bus=myehci.0: Warning: > speed mismatch trying to attach usb device "QEMU USB Keyboard" (full > speed) to bus "myehci.0", port "1" (high speed) > qemu-system-x86_64: -device usb-kbd,bus=myehci.0: Device > initialization failed. > qemu-system-x86_64: -device usb-kbd,bus=myehci.0: Device 'usb-kbd' > could not be initialized > > So I guess OVMF doesn't have a chance to get involved here before we > crash and burn :)
Ah, that needs this patch here: http://article.gmane.org/gmane.comp.emulators.qemu/296216/raw Paolo > Thanks, > --Gabriel > >> If that works, the issue would be specific to EHCI companion >> controllers. If that doesn't work, there is at least a generic in the >> EHCI driver---of course there could possibly be another in the companion >> controllers, but I'd try getting EHCI alone to work. > > ------------------------------------------------------------------------------ > Want excitement? > Manually upgrade your production database. > When you want reliability, choose Perforce > Perforce version control. Predictably reliable. > http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk >
