Has anyone gotten the second serial port working under Linux? It would seem as if the BIOS (1.41c) doesn't enable it during POST?
[ 1.394623] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.394623] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a TI16750 [ 1.452418] pci 0000:01:00.0: using bridge 0000:00:17.0 INT D to get IRQ 19 [ 1.452431] serial 0000:02:0a.1: PCI->APIC IRQ transform: INT D -> IRQ 19 [ 1.452571] pci 0000:01:00.0: using bridge 0000:00:17.0 INT D to get IRQ 19 [ 1.452582] serial 0000:02:0a.2: PCI->APIC IRQ transform: INT D -> IRQ 19 [ 1.452713] pci 0000:01:00.0: using bridge 0000:00:17.0 INT D to get IRQ 19 [ 1.452724] serial 0000:02:0a.3: PCI->APIC IRQ transform: INT D -> IRQ 19 [ 1.452854] pci 0000:01:00.0: using bridge 0000:00:17.0 INT D to get IRQ 19 [ 1.452864] serial 0000:02:0a.4: PCI->APIC IRQ transform: INT D -> IRQ 19 This is with current Debian (wheezy) kernel: 3.2.0-4-amd64 Trying to access the second port (ttyS1) just generates errors as if the UART is not there: [ 144.023120] ttyS1: LSR safety check engaged! [ 146.705596] ttyS1: LSR safety check engaged! [ 220.943910] ttyS1: LSR safety check engaged! [ 220.944004] ttyS1: LSR safety check engaged! # setserial /dev/ttyS0 /dev/ttyS0, UART: 16750, Port: 0x03f8, IRQ: 4 # setserial /dev/ttyS1 /dev/ttyS1, UART: unknown, Port: 0x02f8, IRQ: 3 -- Timo <[email protected]>
_______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
