From: "Gabriel L. Somlo" <gsomlo@gmail.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: rene@exactcode.com, jbaron@redhat.com, qemu-devel@nongnu.org,
agraf@suse.de
Subject: Re: [Qemu-devel] q35, usb-ehci1, and Mac OS X boot problems
Date: Tue, 13 Nov 2012 12:28:06 -0500 [thread overview]
Message-ID: <20121113172806.GC11399@hedwig.ini.cmu.edu> (raw)
In-Reply-To: <50A275EE.10004@redhat.com>
On Tue, Nov 13, 2012 at 05:31:42PM +0100, Gerd Hoffmann wrote:
> The last lines of the log are more useful, which is more than 6500000
> lines like this:
>
> usb_ehci_opreg_read 4.767 addr=0x2c str=FRINDEX val=0x0
>
> So macos seems to expect the frame index updating, and probably frame
> list rollover interrupts too. ehci doesn't do that of there is nothing
> else to do, to keep the wakeup rate down.
>
> Does the attached patch change anything?
Sure does -- with the patch, OS X boots and runs just fine !
Thanks !
--Gabriel
prev parent reply other threads:[~2012-11-13 17:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-11 22:16 [Qemu-devel] q35, usb-ehci1, and Mac OS X boot problems Gabriel L. Somlo
2012-11-12 10:26 ` Gerd Hoffmann
2012-11-12 14:49 ` [Qemu-devel] [PATCH] ehci: fix compile error with EHCI_DEBUG enabled Gabriel L. Somlo
2012-11-16 13:50 ` Stefan Hajnoczi
2012-11-16 13:54 ` Gerd Hoffmann
2012-11-12 15:17 ` [Qemu-devel] q35, usb-ehci1, and Mac OS X boot problems Gabriel L. Somlo
2012-11-13 8:48 ` Gerd Hoffmann
2012-11-13 15:48 ` Gabriel L. Somlo
2012-11-13 16:31 ` Gerd Hoffmann
2012-11-13 17:28 ` Gabriel L. Somlo [this message]
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