On Mon, Jul 13, 2009 at 9:16 PM, Arun raj<arun.raj.linux@xxxxxxxxx> wrote: > Dear All, > > In my driver we are waiting for some event with wait_event_interruptible. > Some times wait_event_interruptible returns 512. > > Please let me know what could be the cause and how to solve this. Hi... That means -ERESTARTSYS, and to quote from the related comment of wait_event_interruptible function: "* The function will return -ERESTARTSYS if it was interrupted by a * signal and 0 if @condition evaluated to true. */" So IMO, check if you need act on this occassion....and simply retry. Or pick wait_event to ignore signal. CMIIW people... -- regards, Mulyadi Santosa Freelance Linux trainer blog: the-hydra.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
