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

From: Ed Tomlinson
Date: Wed Apr 27 2011 - 06:58:05 EST


On Tuesday 26 April 2011 12:13:30 Gustavo F. Padovan wrote:
> * Ed Tomlinson <edt@xxxxxx> [2011-04-24 09:52:14 -0400]:
>
> > 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@xxxxxxxxx> wrote:
> > > > On Tue, Apr 19, 2011 at 10:53 AM, Hui Zhu <teawater@xxxxxxxxx> 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)
>
> does dmesg show something? I'm using a -rc kernel and bluetooth is working to
> me.

What dmesg shows is included above. The tell tail for this bug is the error 22 from
user space. I see nothing on the kernel side.

Ed
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