linux-kernel - Re: Linux 2.6.39

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Message-ID: <4E01085D.2000007@ukf.sk>
Date:	Tue, 21 Jun 2011 23:08:45 +0200
From:	Milan Oravec <moravec@....sk>
To:	Ville Tervo <ville.tervo@...ia.com>
CC:	ext Ed Tomlinson <edt@....ca>, linux-kernel@...r.kernel.org,
	Hui Zhu <teawater@...il.com>,
	Dave Young <hidave.darkstar@...il.com>,
	Bluettooth Linux <linux-bluetooth@...r.kernel.org>,
	"Gustavo F. Padovan" <padovan@...fusion.mobi>
Subject: Re: Linux 2.6.39

Hi Ville, than you for your patch. BT dongle works now again in 3.0-rc4 
kernel.

Best wishes,

Milan

On 05/25/2011 10:27 AM, Ville Tervo wrote:
> On Mon, May 23, 2011 at 06:08:36PM -0400, ext Ed Tomlinson wrote:
>> On Saturday 21 May 2011 16:31:00 Ed Tomlinson wrote:
>>> On Saturday 21 May 2011 13:56:20 Milan Oravec wrote:
>>>> Hi Linus, I'm sorry bothering you, but my usb-bluetooth dongle stop working in
>>>> 2.6.39 kernel series.
>>>> I know it is nothing ground breaking but it is bug.
>>>> I'm using this hardware from 2.6.11 kernel series.
>>>> Details are included in this thread:
>>>>
>>>> https://lkml.org/lkml/2011/4/18/481
>>>>
>>>> I hope I'm doing nothing false writing this email.
>>>
>>> Same device, same problem here.
>>>
>>> You are not alone
>>
>> I had some time this afternood so I tried bisecting without much luck.  I ended up somewhere rc1 ish with a system
>> that would paniced during boot.  Here is the bisect log incase it helps:
>>
>> # bad: [61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf] Linux 2.6.39
>> # good: [521cb40b0c44418a4fd36dc633f575813d59a43d] Linux 2.6.38
>> git bisect start 'v2.6.39' 'v2.6.38' '--' 'drivers/bluetooth'
>> # bad: [7a6362800cb7d1d618a697a650c7aaed3eb39320] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
>> git bisect bad 7a6362800cb7d1d618a697a650c7aaed3eb39320
>> # bad: [0a0e9ae1bd788bc19adc4d4ae08c98b233697402] Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
>> git bisect bad 0a0e9ae1bd788bc19adc4d4ae08c98b233697402
>> # skip: [03c2d0e89409b59c1ec9d9511533cedc0b7aaa69] Bluetooth: Use usb_fill_int_urb()
>> git bisect skip 03c2d0e89409b59c1ec9d9511533cedc0b7aaa69
>> # skip: [7f4b2b04c88377af30c022f36c060190182850fb] Bluetooth: Make hci a child of the corresponding tty device.
>> git bisect skip 7f4b2b04c88377af30c022f36c060190182850fb
>> # skip: [84f0e17f78471857104a20dfc57711409f68d7bf] Bluetooth: ath3k: Avoid duplication of code
>> git bisect skip 84f0e17f78471857104a20dfc57711409f68d7bf
>>
>> Ring any bells for anyone?
>>
>> Probably should open a regression bug for this too....
>
> I think this is regression with d5859e22cd40b73164b3e5d8d5d796f96edcc6af
> commit. Probably the code tries to enable something that is not supported.
>
> Could you pastebin hcidump while doing hciconfig hci0 up?
>
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