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Re: [Qemu-devel] [PATCH] usb: selective endpoint initialization
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH] usb: selective endpoint initialization |
Date: |
Tue, 03 Jul 2012 10:51:53 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2012-07-03 10:43, Jan Kiszka wrote:
> On 2012-07-03 10:21, Gerd Hoffmann wrote:
>> On 07/03/12 09:47, Jan Kiszka wrote:
>>> On 2012-07-02 18:16, Gerd Hoffmann wrote:
>>>> Add support for (re-)initializing endpoints which belong to a specific
>>>> interface only. Use this in usb-host when changing altsetting for an
>>>> interface, so other interfaces are not disturbed.
>>>>
>>>
>>> qemu-system-x86_64: /data/qemu/hw/usb/host-linux.c:1220:
>>> usb_linux_update_endp_table: Assertion `usb_ep_get_type(&s->dev, pid,
>>> ep) == 255' failed.
>>>
>>> Do you need a trace again?
>>
>> Don't think so. Alternative fix attached.
>
> Looks good here. No crashes so far, sound is playing.
>
BTW, there are still plenty of "husb: out of buffers for iso stream"
messages. Can we do anything about it, or does the the guest selects too
few buffers here (for a virtualized setup)?
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux
Re: [Qemu-devel] [PATCH] usb: selective endpoint initialization, Erik Rull, 2012/07/05