Re: [Bluez-users] MX900 sometimes catalepsic

[Charles Bueche <bueche@netnea.com>]

Hi all,

sorry for the long time before answering, I wanted to be sure the
problem is really fixed.

Apart from the good remarks about the MX900 design error (lack of a
power-switch), the best suggestion came from Marcel :

Doing this :

	/usr/sbin/hciconfig hci0 noscan
	/usr/bin/hidd --killall

at shutdown time avoids the problem, not a single mouse deadlock anymore
since one week.

Thanks for you suggestions. I shall update my MX900 web page rsn.

Charles

On mer, 2005-01-26 at 18:42 +0100, Marcel Holtmann wrote:
> Hi Charles,
> 
> > I'm running 2.6.10-gentoo-r4 with patch-2.6.10-mh1.gz. My hardware is a
> > Logitech MX900 mouse and a Dell Inspiron 8600 with a CSR chip :
> > 
> > hci0:   Type: USB
> >         BD Address: 00:10:C6:22:54:AF ACL MTU: 192:8  SCO MTU: 64:8
> >         UP RUNNING PSCAN ISCAN 
> >         RX bytes:113629 acl:7992 sco:0 events:88 errors:0
> >         TX bytes:1043 acl:24 sco:0 commands:42 errors:0
> >         Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
> >         Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
> >         Link policy: RSWITCH HOLD SNIFF PARK 
> >         Link mode: SLAVE ACCEPT 
> >         Name: 'laptopcb (0)'
> >         Class: 0x100100
> >         Service Classes: Object Transfer
> >         Device Class: Computer, Uncategorized
> >         HCI Ver: 1.1 (0x1) HCI Rev: 0x235 LMP Ver: 1.1 (0x1) LMP Subver: 0x235
> >         Manufacturer: Cambridge Silicon Radio (10)
> > 
> > I'm not using the mouse bluetooth dock for any connection (only battery
> > loading).
> > 
> > Often, after unpacking my laptop and MX900 mouse from its bag, the mouse
> > appear to "hang". The laptop doesn't see it, and I have to open the
> > mouse battery location and quickly unplug one battery to reset the
> > mouse. After this treatment, the mouse announce itself and the laptop
> > sees it and create the devices with udev.
> > 
> > The problem happen about 1/4 of the time when unpacking the laptop, but
> > in a systematic way after a reboot (eg after upgrading my kernel). I
> > never boot my laptop under Windows, and I never use the mouse with other
> > machines. The "connect" button has no effect.
> > 
> > The problem has be present since a long time and several kernels and
> > bluez patches, maybe since always.
> > 
> > It would only be annoying, but the battery door of my mouse is starting
> > to present a bad shape after openning it with just about all the tools
> > that fits it, including cisors.
> 
> I have no idea what the problem is, but I assume that it is because of
> the reconnect feature of the mouse. I will always try to reconnect when
> you move your bag and after some failed retries it may deadlock itself.
> 
> On the other hand there is maybe a small race when you shutdown the
> machine and disconnect every device. May a "hciconfig hci0 noscan"
> before calling "hidd -K" will help.
> 
> Regards
> 
> Marcel
> 
> 
> 
> 
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-- 
Charles Bueche <bueche@netnea.com>
www.netnea.com : your best source for ultra-geeks !



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