From: Paul Ionescu <paul@acorp.ro>
To: Mitsu Hadeishi <mitsu@syntheticzero.com>
Cc: bluez-devel@lists.sourceforge.net
Subject: Re: [Bluez-devel] Suspend/resume issues with bluez
Date: Thu, 04 Mar 2004 07:44:47 +0200 [thread overview]
Message-ID: <1078379087.17118.22.camel@t40> (raw)
In-Reply-To: <200403022202.19259.mitsu@syntheticzero.com>
Hi Mitsu,
On T40* the bluetooth adapter is an USB one, so you can try to remove
all USB modules before suspend, and load them again after resume.
On Wed, 2004-03-03 at 05:02, 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) on a Thinkpad T40p. It seems to run fine when I first boot; I am able to
> discover other devices, they can discover me. I am a newbie trying to use
> this protocol stack; so I haven't yet gotten any applications to work yet.
> However, it seems to function, basically.
>
> 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. Though my machine does
> not hang or crash when coming back from suspend, the Bluetooth card never
> works again. hciconfig -a prints nothing.
>
> Interestingly, before I installed the bluez stack, whenever I hit Fn-F5 it
> would freeze my machine. Now, it doesn't freeze it, but correctly toggles
> the little LED saying Bluetooth is active/inactive. When bluez is working,
> Fn-F5 makes hciconfig -a report the device there, then Fn-F5 again will make
> hciconfig -a report nothing. But after a suspend/resume, Fn-F5 will *still*
> toggle the Bluetooth LED, but hciconfig -a never shows a card.
>
> Rebooting the system causes bluez to work again.
>
> Mitsu
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prev parent reply other threads:[~2004-03-04 5:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-03 3:02 [Bluez-devel] Suspend/resume issues with bluez Mitsu Hadeishi
2004-03-03 22:24 ` Colin Pinkney
2004-03-09 22:54 ` Mitsu Hadeishi
2004-03-10 0:04 ` Marcel Holtmann
2004-03-10 18:25 ` [Bluez-users] " Colin Pinkney
2004-03-10 11:38 ` Nils Faerber
2004-03-04 5:44 ` Paul Ionescu [this message]
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