linux-kernel - Re: [BUG, Regression, bisected] USB mouse causes bug on 1st insert, ignored on 2nd insert, lsusb stuck at usbdev

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Message-ID: <AANLkTinQVNy4yOSW=aEbuYh6b_F8nKBLxsjxBDk8zq8O@mail.gmail.com>
Date:	Wed, 22 Sep 2010 11:47:09 +0200
From:	Mat <jackdachef@...il.com>
To:	Gabriel C <nix.or.die@...glemail.com>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Jiri Kosina <jkosina@...e.cz>,
	Guillaume Chazarain <guichaz@...il.com>,
	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>,
	Oliver Neukum <oliver@...kum.org>, Alan Ott <alan@...nal11.us>,
	linux-usb@...r.kernel.org, linux-input@...r.kernel.org,
	Andreas Bombe <aeb@...ian.org>,
	Alex Riesen <raa.lkml@...il.com>
Subject: Re: [BUG, Regression, bisected] USB mouse causes bug on 1st insert,
 ignored on 2nd insert, lsusb stuck at usbdev_open

On Tue, Sep 21, 2010 at 6:08 PM, Gabriel C <nix.or.die@...glemail.com> wrote:
> On 21.09.2010 16:54, Phil Turmel wrote:
>
>> On 09/21/2010 10:30 AM, Alan Stern wrote:
>>> On Tue, 21 Sep 2010, Jiri Kosina wrote:
>>>
>>>> I have just found out that it's actually CONFIG_USB_DYNAMIC_MINORS which
>>>> makes the difference. When unset, the problem doesn't trigger, and
>>>> usb_find_interface() always returns the proper interface. When
>>>> CONFIG_USB_DYNAMIC_MINORS is being used, the oops happen.
>>>>
>>>> I'll look into that.
>>>
>>> Apparently the problem is that intf->minors doesn't get initialized
>>> properly.  This patch should fix it.  Everybody, please try it out.
>>
>> Yes, this works for me.  (as did Jiri's version.)
>
>
> Both versions of the patch are working fine for me too also.
>
>>
>> Thank you both for the support.
>>
>> Feel free to add my:
>>
>> Tested-by: Philip J. Turmel <philip@...mel.org>
>
>
> And mine if you wish.
> Tested-by: Gabriel Craciunescu  <nix.or.die@...glemail.com>
>
>

confirmed !

I also tested both and it works fine so far :)

I don't know if it's too late already:
Tested-by: Matthias Bayer <jackdachef@...il.com>

Thanks !

Matt
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