On Sun, May 24, 2009 at 08:38:14PM +0400, "Колян Ш." wrote: > Good Evening, Dear Linux Coders! > > I have a problem with Prolific Serial Converter pl2303. > > In the previous kernel versions: 2.6.18.*-2.6.29.2 it works good. > But in the 2.6.29.3 and 2.6.29.4 device name /dev/ttyUSB0 changes > infinitely when I plug in(plug out) pl2303-cable from /dev/ttyUSB0 to > /dev/ttyUSB10 and greater. (In my situation I use telephone as a modem). > I hope that I didn't make error with bug-email address... Odd. Can you enable debugging in the usb-serial core: echo 1 > /sys/module/usb-serial/parameters/debug and then send us the kernel log of when this happens? The device id will go up if a userspace program still holds the device node open, and then the device is plugged back in, but userspace should have been told that a device went away to know to drop the connection. Odds are this is probably due to Alan's change that went into 2.6.29.3: Subject: USB: serial: fix lifetime and locking problems Alan, any thoughts here? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
