Re: [Bluez-devel] Soft lockup

[Bastien Nocera <hadess@hadess.net>]

Hey Marcel,

On Sun, 2007-05-27 at 14:17 +0200, Marcel Holtmann wrote:
> > Here's what I could capture from the i386 crash:
> > BUG warning at lib/kref.c:32/kref_get()
> 
> any chance you can test a 2.6.22-rc3 kernel. We fixed some potential
> problems in RFCOMM and Greg pushed some driver model changes that might
> make this go away. I really have no idea what triggers this at the
> moment. However I would like to see a simple reproducer.

Works with 2.6.22-rc3 (for a meaning of works, my code doesn't seem to
work, but that's a different matter).

To reproduce the problem:
- Install gnome-vfs2-obexftp (let me know if you want me to provide
binaries) from
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=231005
- Make sure you have bluez-utils 3.11 (for the serial service)
- On the console:
eval `dbus-launch --sh-syntax` # Launches a session D-Bus daemon
/usr/libexec/gnome-vfs-daemon # Launches the gnome-vfs daemon
gnomevfs-ls obex://[00:00:11:22:22:00]/ # Where 00:00:11:22:22:00 is the
bdaddr of a phone, or other device with ObexFTP support

I can reproduce the crash at will on 2 different machines. It might be
easier to create a minimal reproducer if you have a debug version of the
serial service.

-- 
Bastien Nocera <hadess@hadess.net> 


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