From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1HHIKX-0000jf-Iq for qemu-devel@nongnu.org; Wed, 14 Feb 2007 06:29:46 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1HHIKU-0000hd-G9 for qemu-devel@nongnu.org; Wed, 14 Feb 2007 06:29:42 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1HHIKT-0000hP-Vz for qemu-devel@nongnu.org; Wed, 14 Feb 2007 06:29:42 -0500 Received: from mo-p07-ob.rzone.de ([81.169.146.188]) by monty-python.gnu.org with esmtp (Exim 4.52) id 1HHIKR-0007ov-0d for qemu-devel@nongnu.org; Wed, 14 Feb 2007 06:29:40 -0500 Received: from ctserver (Q678d.q.strato-dslnet.de [89.53.103.141]) by post.webmailer.de (klopstock mo24) (RZmta 4.6) with ESMTP id C073caj1EAbhiZ for ; Wed, 14 Feb 2007 12:27:50 +0100 (MET) Received: from [192.168.2.240] (helo=cclsrv01) by ctserver with esmtp (Exim 4.50) id 1HHIIf-00035E-3C for qemu-devel@nongnu.org; Wed, 14 Feb 2007 12:27:49 +0100 From: "Nenad Cimerman" Subject: AW: [Qemu-devel] USB storage cannot be recognized on guest Linuxdomain? Date: Wed, 14 Feb 2007 12:27:43 +0100 Message-ID: <001201c7502b$24fbdc50$f002a8c0@cclsrv01> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0013_01C75033.86C04450" In-Reply-To: Reply-To: nenad@cimerman.de, qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org This is a multi-part message in MIME format. ------=_NextPart_000_0013_01C75033.86C04450 Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: 7bit Hi Xiaoyang, did you check whether both kernels are configured to support USB? # cat /proc/config or # zcat /proc/config.gz Cheers, Nenad. _____ Von: qemu-devel-bounces+nenad=cimerman.de@nongnu.org [mailto:qemu-devel-bounces+nenad=cimerman.de@nongnu.org] Im Auftrag von Yu, Xiaoyang Gesendet: Mittwoch, 14. Februar 2007 11:26 An: qemu-devel@nongnu.org Betreff: RE: [Qemu-devel] USB storage cannot be recognized on guest Linuxdomain? I just found that using an older kernel in Fedora Core 4 may “solve” the problem. When I tested Fedora Core 4 guest domain, the kernel version I used was 2.6. 17-1.2142_FC4, and it cannot recognized the USB disk. I just changed the kernel in guest domain to version 2.6.11-1.1369_FC4. Then the guest domain can recognized the USB disk. I am wondering why the USB support in QEMU depend on the guest domain kernel. And I would like to know which kernel version can support QEMU USB emulation. BTW, I also found that Windows XP guest domain can not recognize the USB disk, while Windows XP SP2 guest domain can recognize the USB disk. So it seems like that the guest Linux/Windows domain should have some “special feature” to work with the QEMU USB emulation successfully. Isn’t it strange? Sent: 2007年2月14日 15:06 To: qemu-devel@nongnu.org Subject: [Qemu-devel] USB storage cannot be recognized on guest Linux domain? I am using Xen 3.0.3 with QEMU-DM 0.8.2 on a Intel VT platform. After insert a USB storage, and use “usb_add” command in QEMU monitor, the storage should be recognized on guest OS. I tested this with a Windows XP SP2 guest OS, it doing well. But when I test the “usb_add” command with some Linux guest OS, it seems that the guest OS cannot recognize the USB storage. And the device number and address in guest domain are always “0.0”. The Linux guest OS I tested including Fedora Core 4 and Fedora Core 5. Does any one also meet this problem or have some idea on this? Feedbacks will be highly appreciated. Thanks Xiaoyang ------=_NextPart_000_0013_01C75033.86C04450 Content-Type: text/html; charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable

Hi Xiaoyang,=

 

did you check whether both kernels are configured to support = USB?

# cat = /proc/config

or

# zcat = /proc/config.gz

 =

Cheers,

Nenad.=

 =

Von: qemu-devel-bounces+nenad=3Dcimerman.de@nongnu.org [mailto:qemu-devel-bounces+nenad=3Dcimerman.de@nongnu.org] Im Auftrag von Yu, Xiaoyang
Gesendet: Mittwoch, 14. = Februar 2007 11:26
An: = qemu-devel@nongnu.org
Betreff: RE: [Qemu-devel] = USB storage cannot be recognized on guest Linuxdomain?

 

I just found that using an older kernel in = Fedora Core 4 may =1B$B!H=1B(Jsolve=1B$B!I=1B(J the problem. =

 

When I tested = Fedora Core 4 guest domain, the kernel version I used was 2.6.17-1.2142_FC4, = and it cannot recognized the USB disk.

I just changed the kernel in guest domain to = version 2.6.11-1.1369_FC4. Then the guest domain can recognized the USB disk. I = am wondering why the USB support in QEMU depend on the guest domain kernel. = And I would like to know which kernel version can support QEMU USB = emulation.

 

BTW, I also found that Windows XP guest = domain can not recognize the USB disk, while Windows XP SP2 guest domain can = recognize the USB disk. So it seems like that the guest Linux/Windows domain should = have some =1B$B!H=1B(Jspecial feature=1B$B!I=1B(J to work with the QEMU USB = emulation successfully. Isn=1B$B!G=1B(Jt it strange?

 

 = ;

Sent: 2007=1B$BG/=1B(J2=1B$B7n=1B(J<= font size=3D2 face=3DTahoma>14=1B$BF|=1B(J<= font size=3D2 face=3DTahoma> 15:06
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] USB = storage cannot be recognized on guest Linux domain?

 

I am using Xen 3.0.3 with QEMU-DM 0.8.2 on a = Intel VT platform. After insert a USB storage, and use = =1B$B!H=1B(Jusb_add=1B$B!I=1B(J command in QEMU monitor, the storage should be recognized on guest OS. I tested this = with a Windows XP SP2 guest OS, it doing well.

 

But when I test the = =1B$B!H=1B(Jusb_add=1B$B!I=1B(J command with some Linux guest OS, it seems that the guest OS cannot recognize the USB storage. = And the device number and address in guest domain are always = =1B$B!H=1B(J0.0=1B$B!I=1B(J. The Linux guest OS I tested including Fedora Core 4 and Fedora Core 5. Does any one also = meet this problem or have some idea on this? Feedbacks will be highly = appreciated.

 

Thanks
Xiaoyang

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