On Jan 17, 2008 7:06 AM, Gabor Gombas <[EMAIL PROTECTED]> wrote: > Hi, > > On Wed, Jan 16, 2008 at 09:02:05AM +0800, Dave Young wrote: > > > The rfcomm tty device will possibly retain even when conn is down, > > and sysfs doesn't support zombie device moving, so this patch > > move the tty device before conn device is destroyed. > > > > Signed-off-by: Dave Young <[EMAIL PROTECTED]> > > This seems to work, both the oops and the hang are gone. I get these > messages in syslog when the Bluetooth link hangs and I want to kill pppd > with "poff": > > Jan 16 23:55:59 twister kernel: unregister_netdevice: waiting for ppp0 to > become free. Usage count = 1 > Jan 16 23:56:09 twister kernel: unregister_netdevice: waiting for ppp0 to > become free. Usage count = 1 > > But a "killall -9 pppd" seems to help and then the re-connect (after the > phone got power-cycled) works.
Weird, I guess "device_move(dev, NULL) two times" cause the problem. Anyway, device_move should check the old_parent and new_parent , if they equal to each other then just return. Am I right? > > > Gabor > > -- > --------------------------------------------------------- > MTA SZTAKI Computer and Automation Research Institute > Hungarian Academy of Sciences > --------------------------------------------------------- > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
