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Tasklist

FS#23825 - [kernel26] Bluetooth stopped working after upgrade to kernel 2.6.38

Attached to Project: Arch Linux
Opened by Radu Potop (wooptoo) - Monday, 18 April 2011, 10:59 GMT
Last edited by Andrea Scarpino (BaSh) - Sunday, 19 June 2011, 06:50 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas Bächler (brain0)
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:
Bluetooth stopped working after upgrade to kernel 2.6.38. It doesn't work at all.
It worked with kernel 2.6.37 and it works with kernel 2.5.32 lts.

Additional info:
* package version(s)
kernel26 2.6.38.2-1
bluez 4.91-1
This task depends upon

Closed by  Andrea Scarpino (BaSh)
Sunday, 19 June 2011, 06:50 GMT
Reason for closing:  Fixed
Additional comments about closing:  kernel26 2.6.39-1
bluez 4.93-2
Comment by Jelle van der Waa (jelly) - Monday, 18 April 2011, 11:07 GMT
check upstream if it's a regression in the kernel.
Comment by Radu Potop (wooptoo) - Monday, 18 April 2011, 11:16 GMT
I don't know how exactly I am supposed to do this. Should I read the changelog ( http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 ) or should I search for bug reports?
Comment by Thomas Bächler (brain0) - Monday, 18 April 2011, 11:38 GMT
Same problem. When I launch bluetoothd, my adapter is not recognized. When I log in as root and run "hciconfig hci0 down; hciconfig hci0 up", it starts working. Somehow, bluetoothd fails to initialize the adapter on its own the first time. Does this help in your case, too?
Comment by Radu Potop (wooptoo) - Monday, 18 April 2011, 11:51 GMT
Thomas: thanks, it works with your instructions. I added them to rc.local as a temporary fix.
Comment by roko (roko) - Saturday, 18 June 2011, 18:19 GMT
Does the problem persists with the latest (.39) kernel and bluez (4.93-2)?
Comment by Radu Potop (wooptoo) - Saturday, 18 June 2011, 22:58 GMT
I guess it got fixed at some point. I unplugged the adapter and plugged it in again and it initializes/works fine.

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