linux-kernel - Re: [BUG] bluetooth doesn't work from 2.6.39-rc1+ to 2.6.39-rc3+

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Date:	Sun, 24 Apr 2011 09:52:14 -0400
From:	Ed Tomlinson <edt@....ca>
To:	Hui Zhu <teawater@...il.com>
Cc:	Dave Young <hidave.darkstar@...il.com>,
	linux-kernel@...r.kernel.org,
	Bluettooth Linux <linux-bluetooth@...r.kernel.org>
Subject: Re: [BUG] bluetooth doesn't work from 2.6.39-rc1+ to 2.6.39-rc3+

On Tuesday 19 April 2011 11:34:30 Hui Zhu wrote:
> Do you part is OK?
> 
> I think it will be very easy to reproduce.
> 
> Thanks,
> Hui
> 
> On Tue, Apr 19, 2011 at 15:46, Dave Young <hidave.darkstar@...il.com> wrote:
> > On Tue, Apr 19, 2011 at 10:53 AM, Hui Zhu <teawater@...il.com> wrote:
> >> Cannot connect to any outside devices through bluetooth.
> >>
> >> And I think this is not a bug of low level driver.  Because both my
> >> laptop and a usb bluetooth card cannot work.
> >
> > Hi, please explain the "cannot work" in detail,
> > Firstly check dmesg and hciconfig to see if there's anything wrong.

I am also seeing problems with bluetooth in .39-rc4+

[54511.033258] usb 2-4.4: USB disconnect, device number 5
[54513.920060] usb 2-4.3: new full speed USB device number 6 using ehci_hcd
[54514.063057] usb 2-4.3: New USB device found, idVendor=0a12, idProduct=0001
[54514.070281] usb 2-4.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
grover ~ # hciconfig -a
hci0:   Type: BR/EDR  Bus: USB
        BD Address: 00:0A:3A:55:07:5A  ACL MTU: 192:8  SCO MTU: 64:8
        DOWN 
        RX bytes:718 acl:0 sco:0 events:25 errors:0
        TX bytes:108 acl:0 sco:0 commands:24 errors:0
        Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
        Link policy: CONFIG_BT_HCIBTUSB=m
        Link mode: SLAVE ACCEPT 

grover ~ # hciconfig hci0 up
Can't init device hci0: Invalid argument (22)

The same error happens If I just try a hciconfig hci0 up after boot (without replugging the adaptor).

CONFIG_BT_HCIBTSDIO=m
CONFIG_BT_HCIUART=m
CONFIG_BT_HCIUART_H4=y
CONFIG_BT_HCIUART_BCSP=y
# CONFIG_BT_HCIUART_ATH3K is not set
CONFIG_BT_HCIUART_LL=y
CONFIG_BT_HCIBCM203X=m
CONFIG_BT_HCIBPA10X=m
CONFIG_BT_HCIBFUSB=m
CONFIG_BT_HCIVHCI=m

and bluez-4.91 is installed

Ideas?
Ed Tomlinson
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