On Mon, 2005-08-15 at 17:41 +0100, Russell King wrote: > On Mon, Aug 15, 2005 at 11:33:39AM -0500, V. Ananda Krishnan wrote: > > Thanks for your guidance. Here is the cat of /proc/tty/driver/serial: > > serinfo:1.0 driver revision: > > 0: uart:16550A port:000003F8 irq:4 tx:11963 rx:0 RTS|DTR > > 1: uart:16550A port:000002F8 irq:3 tx:11 rx:0 > > 2: uart:16550A port:00000898 irq:14 tx:0 rx:0 > > 3: uart:16550A port:00000890 irq:15 tx:0 rx:0 > > > > On Mon, 2005-08-15 at 17:11 +0100, Russell King wrote: > > > Without this, I can only conclude from your above description that > > > all available 8250 ports are already associated with some hardware, > > > and therefore the 8250 driver is working as designed. > > and this is indeed the problem. The 8250 driver already has 4 hardware > ports already registered. > > Obviously, if you have 5 serial ports in the machine and you ask the > driver to only allow 4 ports, it's sensible that you'd get an ENOSPC > error when you try to register the 5th port. > > So, if you have 5 ports in the machine, why not try setting > CONFIG_SERIAL_8250_NR_UARTS to at least 5? Or if you have 6, set it > to at least 6. etc. > > Sorry, but I feel like I'm explaining The Damned Obvious(tm) here, > especially as I've hinted towards CONFIG_SERIAL_8250_NR_UARTS twice > in this thread already. > Thanks a bunch. Will try and let you know.
- 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/
