Bug#531976: marked as done (bluez: Occasionally the kernel freezes while connecting bluetooth mouse)
Your message dated Tue, 1 Sep 2009 19:29:22 +0200
with message-id <20090901172922.GA22894@galadriel.inutil.org>
and subject line Re: bluez: Occasionally the kernel freezes while connecting bluetooth mouse
has caused the Debian Bug report #531976,
regarding bluez: Occasionally the kernel freezes while connecting bluetooth mouse
to be marked as done.
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--- Begin Message ---
Justification: breaks the whole system
I have a logitech bluetooth mouse which I connect using hidd --connect $MAC_ADDRESS.
Before I upgrade to bluez 4.40 in unstable, it had always been working fine.
Since I upgraded to bluez 4.40, I am experiencing strange behavior and
occasional kernel freezes.
My usage scenario is this:
First I turn on the mouse and then I run a script on a console, which runs
"sudo hidd --connect $MAC_ADDRESS", to connect the mouse.
When I want to disconnect it, I simply turn off the mouse.
Before the bluez 4.40 upgrade I had no problems with that. Since 4.40 though,
every time I run this script, I first get an error message saying "No route to host"
and then I have to try once again and the mouse connects fine. Sometimes though,
the second time it does not succeed either, and hidd does not return.
After a few seconds, the kernel freezes completely. Keyboard/screen are dead
and I can't ping the machine. Only alt+sysrq+b works, which reboots the machine.
This has happened to me twice, one time with a custom 2.6.27 kernel and the second
time with debian's 2.6.29-2 kernel. The logs don't write anything about it.
Ask me if you need any further information.
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (100, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.29-2-amd64 (SMP w/3 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages bluez depends on:
ii dbus 1.2.14-2 simple interprocess messaging syst
ii libbluetooth3 4.40-2 Library to use the BlueZ Linux Blu
ii libc6 2.9-13 GNU C Library: Shared libraries
ii libdbus-1-3 1.2.14-2 simple interprocess messaging syst
ii libglib2.0-0 2.20.3-1 The GLib library of C routines
ii libnl1 1.1-5 library for dealing with netlink s
ii libusb-0.1-4 2:0.1.12-13 userspace USB programming library
ii lsb-base 3.2-22 Linux Standard Base 3.2 init scrip
ii makedev 2.3.1-88 creates device files in /dev
ii module-init-tools 3.7-pre9-1 tools for managing Linux kernel mo
ii udev 0.141-1 /dev/ and hotplug management daemo
bluez recommends no packages.
Versions of packages bluez suggests:
ii python-dbus 0.83.0-1 simple interprocess messaging syst
ii python-gobject 2.16.1-1 Python bindings for the GObject li
-- no debconf information
--- End Message ---
--- Begin Message ---
On Sun, Jun 14, 2009 at 02:26:59PM +0300, George Kiagiadakis wrote:
> On Friday 05 of June 2009 14:53:04 George Kiagiadakis wrote:
> > This has happened to me twice, one time with a custom 2.6.27 kernel and the
> > second time with debian's 2.6.29-2 kernel. The logs don't write anything
> > about it. Ask me if you need any further information.
> It seems I was wrong about that. I didn't remember well the situation about
> the 2.6.27 kernel. In fact the freezes started to occur after I upgraded to
> I discovered this by doing some tests during the past week:
> bluez 4.40 + linux 2.6.29 -> freezes
> bluez 3.36 + linux 2.6.29 -> freezes
> bluez 4.40 + linux 2.6.27 -> ok
> bluez 3.36 + linux 2.6.27 -> ok
> bluez 4.40 + linux 2.6.30 -> ok
> I am now running the last combination, a custom 2.6.30 kernel and bluez 4.40
> and I have no other problems except that the mouse doesn't connect
> automatically with the first invocation of hidd (or with bluetooth-applet), but
> I can work this around for now.
> So, I am reassigning this bug to linux-image-2.6.29-2-amd64 (which is the
> kernel that freezes), as this seems to be a kernel bug and will be fixed in
> debian when the kernel packagers package linux 2.6.30 or later.
Marking as fixed in 2.6.30, which is now in unstable and testing.
--- End Message ---