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Message-ID: <4C98D892.7030605@googlemail.com>
Date: Tue, 21 Sep 2010 18:08:50 +0200
From: Gabriel C <nix.or.die@...glemail.com>
To: Phil Turmel <philip@...mel.org>
CC: Alan Stern <stern@...land.harvard.edu>,
Jiri Kosina <jkosina@...e.cz>, Mat <jackdachef@...il.com>,
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 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>
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