2011-05-25 08:27:44

by Ville Tervo

[permalink] [raw]
Subject: Re: Linux 2.6.39

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?

--
Ville



2011-05-25 21:19:31

by Milan Oravec

[permalink] [raw]
Subject: Re: Linux 2.6.39

Hi Ville, thank you for your help.

In 2.6.39 kernel command hciconfig hci0 up produces this output:

HCI sniffer - Bluetooth packet analyzer ver 1.42
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Reset (0x03|0x0003) plen 0
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Read Local Supported Features (0x04|0x0003) plen 0
> > HCI Event: Command Complete (0x0e) plen 12
< HCI Command: Read Local Version Information (0x04|0x0001) plen 0
> > HCI Event: Command Complete (0x0e) plen 12
< HCI Command: Read Buffer Size (0x04|0x0005) plen 0
> > HCI Event: Command Complete (0x0e) plen 11
< HCI Command: Read BD ADDR (0x04|0x0009) plen 0
> > HCI Event: Command Complete (0x0e) plen 10
< HCI Command: Read Class of Device (0x03|0x0023) plen 0
> > HCI Event: Command Complete (0x0e) plen 7
< HCI Command: Read Local Name (0x03|0x0014) plen 0
> > HCI Event: Command Complete (0x0e) plen 252
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
> > HCI Event: Command Complete (0x0e) plen 6
< HCI Command: Set Event Filter (0x03|0x0005) plen 1
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Connection Accept Timeout (0x03|0x0016) plen 2
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Delete Stored Link Key (0x03|0x0012) plen 7
> > HCI Event: Command Complete (0x0e) plen 6
< HCI Command: Set Event Mask (0x03|0x0001) plen 8
> > HCI Event: Command Complete (0x0e) plen 4

In 2.6.38.7 kernel command hciconfig hci0 up produces:

HCI sniffer - Bluetooth packet analyzer ver 1.42
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Reset (0x03|0x0003) plen 0
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Read Local Supported Features (0x04|0x0003) plen 0
> > HCI Event: Command Complete (0x0e) plen 12
< HCI Command: Read Local Version Information (0x04|0x0001) plen 0
> > HCI Event: Command Complete (0x0e) plen 12
< HCI Command: Read Buffer Size (0x04|0x0005) plen 0
> > HCI Event: Command Complete (0x0e) plen 11
< HCI Command: Read BD ADDR (0x04|0x0009) plen 0
> > HCI Event: Command Complete (0x0e) plen 10
< HCI Command: Read Class of Device (0x03|0x0023) plen 0
> > HCI Event: Command Complete (0x0e) plen 7
< HCI Command: Read Local Name (0x03|0x0014) plen 0
> > HCI Event: Command Complete (0x0e) plen 252
< HCI Command: Read Voice Setting (0x03|0x0025) plen 0
> > HCI Event: Command Complete (0x0e) plen 6
< HCI Command: Set Event Filter (0x03|0x0005) plen 1
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Page Timeout (0x03|0x0018) plen 2
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Connection Accept Timeout (0x03|0x0016) plen 2
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Page Timeout (0x03|0x0018) plen 2
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Read Stored Link Key (0x03|0x000d) plen 7
> > HCI Event: Command Complete (0x0e) plen 8
< HCI Command: Set Event Mask (0x03|0x0001) plen 8
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Default Link Policy Settings (0x02|0x000f) plen 2
> > HCI Event: Command Status (0x0f) plen 4
< HCI Command: Write Local Name (0x03|0x0013) plen 248
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Class of Device (0x03|0x0024) plen 3
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Write Scan Enable (0x03|0x001a) plen 1
> > HCI Event: Command Complete (0x0e) plen 4
< HCI Command: Read Local Name (0x03|0x0014) plen 0
> > HCI Event: Command Complete (0x0e) plen 252
< HCI Command: Read Scan Enable (0x03|0x0019) plen 0
> > HCI Event: Command Complete (0x0e) plen 5

Hope this helps.

Best regards,

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?
>

2011-06-21 21:08:45

by Milan Oravec

[permalink] [raw]
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?
>