From: Colin Pinkney <bluez-devel@cpinkney.org.uk>
To: bluez-devel@lists.sourceforge.net
Subject: Re: [Bluez-devel] Suspend/resume issues with bluez
References: <200403022202.19259.mitsu@syntheticzero.com>
In-Reply-To: <200403022202.19259.mitsu@syntheticzero.com>
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Message-Id: <200403032224.08229.bluez-devel@cpinkney.org.uk>
Sender: bluez-devel-admin@lists.sourceforge.net
Errors-To: bluez-devel-admin@lists.sourceforge.net
Date: Wed, 3 Mar 2004 22:24:04 +0000

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On Wednesday 03 Mar 2004 03:02, Mitsu Hadeishi wrote:
> Hi, just thought I'd run this issue past you folks.  I'm running the bluez
> stack and utilities from Debian unstable on kernel 2.4.22-x1 (Xandros
> Desktop 2)=20
=2E..
> The problem is bluez never seems to work again after a suspend/resume.  I
> have tried shutting down the Bluetooth card (you can do with with Fn-F5 on
> a Thinkpad) before suspending, as well as doing hciconfig hci0 down, and
> even rmmod rfcomm, rmmod hci_usb (rmmod l2cap never seems to work) before
> suspending, and then modprobe them back afterwards. =20

We get that on the Sharp Zaurus Linux PDA with any Bluetooth CF card. After=
 a=20
suspend/resume of the PDA, all operations on the Bluetooth card just timeou=
t.

> Rebooting the system causes bluez to work again.

Since the Zaurus does not have builtin Bluetooth, every Zaurus must use=20
Bluetooth CF cards so we're able to eject the card and reinsert it. Nothing=
=20
else brings it back (apart from a reboot of course), not even things like=20
'cardctl reset'. But at least the ejecting and reinserting can be automated=
=20
which I put into a script that is run on every resume. I guess you don't ha=
ve=20
this option though if the Bluetooth device is built into your laptop.

BTW the Affix Bluetooth drivers have no problem with suspending and resumin=
g.=20
Is your Bluetooth device supported by Affix?

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Colin Pinkney
http://www.cpinkney.org.uk
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