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Re: [Qemu-devel] [PATCH v2] usb: assign unique serial numbers to hid dev
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] [PATCH v2] usb: assign unique serial numbers to hid devices |
Date: |
Mon, 17 Sep 2018 06:48:29 +0200 |
User-agent: |
NeoMutt/20180716 |
> > And even if it turns out autosuspend is still an issue: I think
> > meanwhile we can really stop worrying about guests running in old qemu
> > versions with broken usb suspend (fixed in 0.13 !). If needed we can
> > enable autosuspend unconditionally in guests.
>
> OK, so what about the other question - which serial number do we end up
> with after this patch; do we get the 89126/28754/68284 or do we get the
> path based one from your change that calls usb_desc_create_serial?
The path based one. and the numbers are the first part, i.e. this:
address@hidden ~# lsusb -vs1:2
[ ... ]
iManufacturer 1 QEMU
iProduct 3 QEMU USB Tablet
iSerial 6 28754-0000:00:02.1:00.0-1
bNumConfigurations 1
[ ... ]
cheers,
Gerd