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From: | Nenad Cimerman |
Subject: | AW: [Qemu-devel] USB storage cannot be recognized on guest Linuxdomain? |
Date: | Wed, 14 Feb 2007 12:27:43 +0100 |
Hi Xiaoyang, did you check whether
both kernels are configured to support USB? # cat /proc/config or # zcat /proc/config.gz Cheers, Nenad. Von:
address@hidden
[mailto:address@hidden Im Auftrag von Yu, Xiaoyang 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 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 |
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