On Fri, 2006-11-10 at 09:28 -0500, Gene Heskett wrote: > On Friday 10 November 2006 06:59, stan mcintosh wrote: > >Gene Heskett wrote: > >> selinux is set permissive, and an ls -l of /dev/ttyS* show this: > >> > >> crw-rw---- 1 root uucp 4, 64 Nov 9 16:35 /dev/ttyS0 > >> crw------- 1 root root 4, 65 Nov 9 16:35 /dev/ttyS1 > >> crw------- 1 root root 4, 66 Nov 9 16:35 /dev/ttyS2 > >> crw------- 1 root root 4, 67 Nov 9 16:35 /dev/ttyS3 > > > >Cool use of your serial port. Have you gone into your /dev directory > >and 'chmod o+rw ttyS*' as root? > > > >If this is too much of a noob approach, then I'm busted ;>) > > > >My privileges are: > >[root@localhost dev]# ls -l ttyS* > >crw-rw-rw- 1 root uucp 4, 64 Nov 9 19:29 ttyS0 > >crw-rw-rw- 1 root uucp 4, 65 Nov 9 19:31 ttyS1 > >crw-rw-rw- 1 root uucp 4, 66 Nov 9 14:13 ttyS2 > >crw-rw-rw- 1 root uucp 4, 67 Nov 9 14:13 ttyS3 > > > >Regards, > >stan > > Ok, tried that, got this: > [root@coyote dev]# ls -l ttyS* > crw-rw-rw- 1 root uucp 4, 64 Nov 9 16:35 ttyS0 > crw----rw- 1 root root 4, 65 Nov 9 16:35 ttyS1 > crw----rw- 1 root root 4, 66 Nov 9 16:35 ttyS2 > crw----rw- 1 root root 4, 67 Nov 9 16:35 ttyS3 > Stan's suggestion only changes the other permissions. You may want to run it as chmod +rw /dev/ttyS? to give the permissions to user, group, and other. > So then I run my daytime script: > > [root@coyote dev]# its-daylight > > And which generates this in the heyu.log: > ----- > Fri Nov 10 09:13:08 EST 2006 my name is /root/bin/its-daylight > Fri Nov 10 09:13:08 EST 2006: its-daylight:doing a killall xtend > xtend: no process killed > heyu: no process killed > Fri Nov 10 09:13:09 EST 2006: heyu-restart: sleep done now doing a heyu > setclock > > HEYU: Can't open tty line. Check the permissions. > > Fri Nov 10 09:13:13 EST 2006: heyu-restart: now restarting the heyu monitor > Fri Nov 10 09:13:13 EST 2006: heyu-restart all done - exiting > Fri Nov 10 09:13:13 EST 2006: its-daylight:heyu-restart completed > > HEYU: Can't open tty line. Check the permissions. > > Fri Nov 10 09:13:16 EST 2006: its-daylight:Changing to /etc/.xtendrc-day > Fri Nov 10 09:13:17 EST 2006: its-daylight: heyu turn off a14 > > HEYU: Can't open tty line. Check the permissions. > > Fri Nov 10 09:13:20 EST 2006: its-daylight:executing xtend -f /etc/.xtendrc > Fri Nov 10 09:13:20 EST 2006: its-daylight:xtend running with daytime > config > Fri Nov 10 09:13:20 EST 2006: its-daylight: cd /root/bin > Fri Nov 10 09:13:20 EST 2006: its-daylight:removing the link heyu-now > > Couldn't open Heyu spool file: No such file or directory > Couldn't fcntl x10: Bad file descriptor > > # these last two are normal when its not running. The output file from > # the 'heyu monitor' function doesn't exist because heyu couldn't access > # the port and exited. > > Fri Nov 10 09:13:21 EST 2006: its-daylight:set heyu-now link to myself so I > will run on a reboot > Fri Nov 10 09:13:21 EST 2006: its-daylight script has completed > ------ > > I do all sorts of funky things with links so I always call the current > setup on a reboot. > > On the odd chance, I did this: > [root@coyote dev]# lsof | grep ttyS > [root@coyote dev]# > > so nothing has them tied up. Then a setserial /dev/ttyS0: > [root@coyote dev]# setserial /dev/ttyS0 > Cannot get serial info: Invalid argument > And > [root@coyote dev]# setserial /dev/ttyS1 > /dev/ttyS1: No such device or address > > But as you can see, it does exist, the cm11a is still plugged into it etc > etc. > > I am beginning to think we have a buglet in this kernel. Since I'm running > the latest 2.6.19-rc5 on the FC2 install on the /dev/hdb drive, I'll copy > that vmlinuz and initrd to this boot partition, and edit the grub.conf to > use it for my next test sometime today. If it then works, I'll bugzilla > it. > > Thanks. > > -- > Cheers, Gene >
