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Problem with brcmsmac and bluetooth mouse
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matofesi
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PostPosted: Thu Jul 25, 2013 7:35 am    Post subject: Problem with brcmsmac and bluetooth mouse Reply with quote

Hi,
I'm trying to switch Broadcom WiFi in my laptop from broadcom-sta driver to brcmsmac (so I can use kernels newer than 3.5). Driver seems to be working fine, but I found a real showstopper...
I use bluetooth mouse (Logitech M555b) connected via built-in USB bluetooth interface. If I load a brcmsmac module (any kernel version from 3.6 up) mouse starts to lag terribly, when I unload it everything goes back to normal.

The network card is BRCM 4313:
02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller [14e4:4727] (rev 01)

The bluetooth seems to be Broadcom BCM2070 [0a5c:219c].

Is there any way to debug it and at least find out where (bluetooth or brcm) should I post the bug report?
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ppurka
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PostPosted: Thu Jul 25, 2013 7:50 am    Post subject: Reply with quote

I have a laptop with the exact same wifi chip and also have the exact same mouse, and using brcmsmac. I can't remember the bluetooth chip.

It used to work just fine (I have paired the mouse with a different laptop now). I had made a post about the mouse configuration not so long ago in G+. I can post my kernel config later (probably gentoo-sources 3.7 or 3.8 ) so that you can compare what bluetooth and wifi options I had turned on.
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Last edited by ppurka on Thu Jul 25, 2013 7:53 am; edited 1 time in total
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matofesi
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PostPosted: Thu Jul 25, 2013 7:53 am    Post subject: Reply with quote

Thanks. Config to compare would be great. Could you also check the bluetooth hardware model?
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ppurka
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PostPosted: Thu Jul 25, 2013 7:54 am    Post subject: Reply with quote

matofesi wrote:
Thanks. Config to compare would be great. Could you also check the bluetooth hardware model?
Yes. I will check that. You have to give me a couple of hours since I don't have the laptop on me right now.
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ppurka
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PostPosted: Thu Jul 25, 2013 9:56 pm    Post subject: Reply with quote

Here is the config on 3.7.10: http://pastebin.com/PFkVxuUF

The bluetooth chip is the following
Code:
Bus 001 Device 003: ID 0489:e00d Foxconn / Hon Hai Broadcom Bluetooth 2.1 Device

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matofesi
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PostPosted: Fri Jul 26, 2013 10:44 am    Post subject: Reply with quote

ppurka wrote:
Here is the config on 3.7.10: http://pastebin.com/PFkVxuUF


Thanks. I've recompiled 3.7.10 with your config (changed slightly to fit my hardware of course) - no luck. Mouse lags the same.

Quote:

The bluetooth chip is the following
Code:
Bus 001 Device 003: ID 0489:e00d Foxconn / Hon Hai Broadcom Bluetooth 2.1 Device


That's probably the difference. I'll try an external USB dongle - if it will work then there is probably some conflict with brcmsmac on the bluetooth side.
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