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Re: [Qemu-devel] [PATCH] usb: Remove obsolete assert from usb_packet_com

From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCH] usb: Remove obsolete assert from usb_packet_complete
Date: Mon, 02 Jul 2012 13:08:03 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.5) Gecko/20120601 Thunderbird/10.0.5

On 06/29/12 18:27, Jan Kiszka wrote:
> Due to queuing/pipelining, there can now be multiple packets per
> endpoint in flight. So the assertion in usb_packet_complete became wrong
> and can cause bogus QEMU terminations. Seen with a passed-through USB
> headset.

NAK.  The assert doesn't protect against multiple packets in flight, but
against packet reorderng.

Need to understand why to assert actually triggers.


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