Jiri Kosina wrote: > On Fri, 19 Oct 2007, Larry Finger wrote: > >> While attempting to configure a new USB modem, the following locking >> problem occurred. In addition, shortly after this problem occurred, the >> computer froze. The log data starts at the point that usbserial was >> loaded and contains everything that was written to disk before the >> machine locked up. Some info may be missing from the end of the stack >> dump. > > I guess this one is needed. > > > From: Jiri Kosina <[EMAIL PROTECTED]> > > USB: usbserial - fix potential deadlock between write() and irq > > usb_serial_generic_write() doesn't disable interrupts when taking port->lock, > and could therefore deadlock with usb_serial_generic_read_bulk_callback() > being called from interrupt, taking the same lock. Fix it. > > Signed-off-by: Jiri Kosina <[EMAIL PROTECTED]> >
Yes, this patch did fix the locking problem. Thanks, Larry - 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/
