On Sun, 2005-04-03 at 18:00 -0500, Bill McCormick wrote: > Sometime ago I upgraded to FC3 from RedHat 9 to, among other reasons, > get my VScom PCI 2 port serial card working. > > (RedHat 9 required a kernel re-compile) > > Anyway FC3 made it work. The two ports have been working for sometime on > /dev/ttyS4 & 5. Now, inexplicably (after a reboot test) the 2 ports > insist on using /dev/ttyS14 & 15. > > I removed my rc.serial ... > > <reference> > [root@billinux ~]# cat /tmp/rc.serial > setserial /dev/ttyS4 port 0xeca8 autoconfig > setserial /dev/ttyS5 port 0xec98 autoconfig > </reference> > > ... and still they come up as ttyS14 & 15. > > Somehow, the kernel must be doing this. But how? ACPI? Where is the > config? > How might this have changed? yum? > Can I still use a rc.serial? > How can I get the ports permissions set to 666? > > <reference from: dmesg> > ACPI: PCI interrupt 0000:00:04.0[A] -> GSI 25 (level, low) -> IRQ 177 > ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > ttyS14 at I/O 0xeca8 (irq = 177) is a 16550A > ttyS15 at I/O 0xec98 (irq = 177) is a 16550A > ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A > </reference> Bill, Once you figure out the devices names, the default permissions can be set in /etc/udev/permissions.d/50-local.permissions. Add a line like: ttyS*:root:uucp:0660 Change the 0660 as you need. Bob...
