Messages in this thread | | | Date | Mon, 13 Oct 2014 08:55:33 +0200 | From | Clemens Ladisch <> | Subject | Re: reboot housekeeping, lack thereof, is messing with me |
| |
Gene Heskett wrote: > To whomever is in charge of the supposedly volatile LCK.. files in > /var/lock:
Whoever that may be, it's not the kernel.
> Its my understanding that these files should be volatile when they > represent a USB usage, because a USB device can be unplugged instantly and > at any time. The device nicely and dutifully disappears from an 'ls /dev' > listing when a device is unplugged. > > Why is it then that the /var/lock/LCK..ttyUSB1 file is always left behind, > so it screws up any possibility of doing a nice clean reboot and restart > of the program that uses it?
What program leaves this file behind? (The pid in there is no longer helpful, unless it got logged due to a segfault, but what was the last program used for serial stuff?)
Anyway, it appears some programs automatically delete this file when the pid is not valid.
Regards, Clemens
| |