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Re: [Qemu-devel] qemu-kvm 0.15 usb problem

From: Lutz Vieweg
Subject: Re: [Qemu-devel] qemu-kvm 0.15 usb problem
Date: Wed, 14 Sep 2011 17:19:41 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20110528 Thunderbird/5.0b1

On 08/09/2011 09:30 PM, Michael wrote:
After installed 0.15 ( and 0.15rc1) guest VM failed at some point with
USB attached with error:
qemu-system-x86_64: /tmp/qemu-kvm-0.15.0/hw/usb.c:336:
usb_packet_complete: Assertion `p->owner != ((void *)0)' failed.

I experienced the exact same problem, a formerly working USB usage
by the virtual machine suddenly caused this assertion to abort
qemu-kvm 0.15.

Looking only briefly at this assertion and the surrounding code,
I found that I did not understand what it's good for, so I removed
the assertion, re-compiled, and - voila! - qemu-kvm 0.15 now works
with the USB device as good as before.


Lutz Vieweg

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