I met the problem that Linux guest domain cannot mount a data CD
properly.
If a data CD is inserted, and was assigned to the guest domain by issue
something like change hdc /dev/cdrom, there will be an error message
reported by guest Linux kernel This disc doesn't have any tracks I
If we use something like usb_add disk:/dev/sdb to assign USB disks to
Windows XP guest domain, assign one USB disk can work properly, but
assign the second USB disk will cause problem in Windows device manager,
and the second USB disk cannot be used properly.
The attached patch can fix this
: USB problem in QEMU
Raúl Sánchez Siles wrote:
Yu, Xiaoyang wrote:
The USB problem I met is that using some kind of USB disks will cause
guest OS run extremely slow, while these disks can work properly in host
OS. It looks like the USB simulation in QEMU is not fully featured, and
can
Of Raúl Sánchez
Siles
Sent: 2007年4月23日 18:54
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] RE: Re: USB problem in QEMU
Yu, Xiaoyang wrote:
I found that using usb_add disk:/dev/sda instead of usb_add host:1.1
will fix this problem.
Thanks
Xiaoyang
Thanks
But what about devices
] On Behalf Of Raúl Sánchez
Siles
Sent: 2007年4月23日 18:54
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] RE: Re: USB problem in QEMU
Yu, Xiaoyang wrote:
I found that using usb_add disk:/dev/sda instead of usb_add host:1.1
will fix this problem.
Thanks
Xiaoyang
Thanks
But what about devices
@nongnu.org
Subject: Re: [Qemu-devel] QEMU only support USBendpoint 02(output)and 81(input)?
Hi,
On 3/29/2007 2:52 PM, Yu, Xiaoyang wrote:
I used QEMU 0.9.0 to do the testing. All the seven USB disks can work
properly in host OS (Linux 2.6), so the USB devices and its interaction with
the kernel
Hi guys,
I found that some USB disks do not work in QEMU.
I collected seven types of USB disks, and tested them in QEMU. Four of
them can work properly, but other three do not work. I compared their
information in /proc/bus/usb/devices, and found that the four good
disks all use endpoint
Hi guys,
I found that some USB disks do not work in QEMU.
I collected seven types of USB disks, and tested them in QEMU. Four of
them can work properly, but other three do not work. I compared their
information in /proc/bus/usb/devices, and found that the four good
disks all use endpoint
] [mailto:[EMAIL PROTECTED] On Behalf Of Shaddy Baddah
Sent: 2007年3月29日 12:18
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] QEMU only support USB endpoint 02(output)and
81(input)?
Hi,
On 3/29/2007 11:49 AM, Yu, Xiaoyang wrote:
I found that some USB disks do not work in QEMU.
I don't quite
Hi Lonnie,
Thanks a lot for your help on the UHCI suspend/resume support :-)
I found another problem in QEMU USB support :-(
I have 5 different types of USB disks at hand. Two of them can be used
properly in Linux and Windows XP guest OS. But other three are not.
After issue usb_add to
I am using qemu-dm 0.8.2 of xen 3.0.3, and found that use usb_add
command to enable some usb disks may cause the guest OS not responding,
while enable other usb disks cause no problem. I searched the archive
but didn't found a similar report. Has anyone met the same problem?
Thanks
Xiaoyang
Of Lonnie Mendez
Sent: 2007年2月15日 22:49
To: qemu-devel@nongnu.org
Subject: RE: [Qemu-devel] USB storage cannot be recognized on guest Linuxdomain?
On Thu, 2007-02-15 at 15:44 +0800, Yu, Xiaoyang wrote:
Hi Lonnie,
Thanks a lot for the information.
In our use case, we do not know the USB disk
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.
ANSI:2
It seems like that the USB disk can be recognized only after a system reboot of
“linux-0.2.img”.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Yu, Xiaoyang
Sent: 2007年2月14日 20:24
To: [EMAIL PROTECTED]; qemu-devel@nongnu.org
Subject
: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Lonnie Mendez
Sent: 2007年2月14日 23:01
To: qemu-devel@nongnu.org
Subject: RE: [Qemu-devel] USB storage cannot be recognized on guest Linuxdomain?
On Wed, 2007-02-14 at 18:26 +0800, Yu, Xiaoyang wrote:
BTW, I also found that Windows XP guest domain
After add a USB device by usb_add, I can view it by info usb. It
shows the bus number and address.
As shown in vl.c, it seems that usb_info() is called when issue info
usb, and usb_device_add() is called when issue usb_add.
But if I add call to usb_info() in the end of usb_device_add(),
After add a USB device by usb_add, I can view it by info usb. It
shows the bus number and address.
As shown in vl.c, it seems that usb_info() is called when issue info
usb, and usb_device_add() is called when issue usb_add.
But if I add call to usb_info() in the end of usb_device_add(),
Yu, Xiaoyang would like to recall the message, Bus number and address changes
after usb_add?.
___
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PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Lonnie Mendez
Sent: 2006年12月7日 12:25
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Bus number and address changes after usb_add?
On Thu, 2006-12-07 at 12:18 +0800, Yu, Xiaoyang wrote:
After add a USB device by “usb_add”, I can view it by “info usb
, 2006-12-07 at 14:11 +0800, Yu, Xiaoyang wrote:
I see. Guest OS will assign the USB device an address later. Is it possible
to store this new address in host OS? Then when the USB device is unplugged,
host OS can send usb_del command to QEMU to automatically delete the device.
It's possible
: [Qemu-devel] About the code to detect a CD-ROM disk is unmounted
On Fri, 2006-12-01 at 16:21 +0800, Yu, Xiaoyang wrote:
Great! Thanks a lot for the information! I found the function definition in
the files you pointed out, by looking into the latest CVS snapshot.
It seems that code changed
+0800, Yu, Xiaoyang wrote:
Hi guys,
I am using QEMU with Xen and Intel VT, and I have a question about
detecting the CD-ROM disk unmount event: When user ejects CD-ROM in
the guest domain, how can QEMU detect this event?
I know if we use “info block” command before and after a CD
Hi guys,
I am using QEMU with Xen and Intel VT, and I have a question about
detecting the CD-ROM disk unmount event: When user ejects CD-ROM in the
guest domain, how can QEMU detect this event?
I know if we use info block command before and after a CD-ROM disk is
ejected, we can see the
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