From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1SrCNm-0002gM-Ih for mharc-grub-devel@gnu.org; Tue, 17 Jul 2012 14:20:26 -0400 Received: from eggs.gnu.org ([208.118.235.92]:53058) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SrCNj-0002gA-Tt for grub-devel@gnu.org; Tue, 17 Jul 2012 14:20:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SrCNi-0003OK-Mw for grub-devel@gnu.org; Tue, 17 Jul 2012 14:20:23 -0400 Received: from smtp.volny.cz ([62.44.29.27]:46896) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SrCNi-0003O1-GT for grub-devel@gnu.org; Tue, 17 Jul 2012 14:20:22 -0400 Received: from [192.168.6.161] (unknown [193.86.90.90]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.volny.cz (Postfix) with ESMTP id 2B49CC063D for ; Tue, 17 Jul 2012 20:20:21 +0200 (CEST) Subject: Re: EHCI driver From: =?UTF-8?Q?Ale=C5=A1?= Nesrsta To: The development of GNU GRUB In-Reply-To: <1342477008.2960.39.camel@pracovna> References: <1342477008.2960.39.camel@pracovna> Content-Type: text/plain; charset="ISO-8859-2" Date: Tue, 17 Jul 2012 20:20:19 +0200 Message-ID: <1342549219.25596.11.camel@pracovna> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 62.44.29.27 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Jul 2012 18:20:25 -0000 Hi, I tried GRUB EHCI driver inside VirtualBox (v. 4.1.18) - and it works. So, why GRUB EHCI doesn't work in VMware ? I don't know. I have only some probably stupid idea - maybe VMware virtualization has built-in some optimization which prevents correct operation of EHCI in poll mode (without interrupt)... BR, Ales Ale=B9 Nesrsta wrote: > Hi, >=20 > I reproduced this problem on VMware workstation (v. 7.1.5). >=20 > But I am totally confused - it looks like EHCI doesn't execute > Asynchronous List (AL) even it is active according to EHCI status. > I tried to do some experiments but QHs in AL remained "untouched" by > EHCI - EHCI ignored any settings/changes I made in QHs in AL. > EHCI status reported in status register said all is OK - no error, EHCI > is in Run state and AL is active... >=20 > I don't understand, I have no idea, sorry :-( >=20 > I will try to test EHCI in VirtualBox later if there will be the same > situation. >=20 > BR, > Ales >=20 > yanxiang fang wrote: > > The ehci driver cannot work for vmware ehci host controller. > > It can detect usb device, but failed to get device descriptor. > > Anyone get the same thing? > > =20 > > Frank > > _______________________________________________ > > Grub-devel mailing list > > Grub-devel@gnu.org > > https://lists.gnu.org/mailman/listinfo/grub-devel >=20 >=20 >=20 > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/grub-devel