[LinuxPPS] ntpd

[Folkert van Heusden]

> > [43025635.470000] Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
> > [43025635.470000] PPS-TEST port line 0
> > [43025635.510000] drivers/serial/8250.c: registered 8250 source 0 at line 0
> > [43025635.510000] PPS-TEST port line 1
> > [43025635.510000] drivers/serial/8250.c: registered 8250 source 1 at line 1
> > [43025635.510000] PPS-TEST port line 2
> > [43025635.530000] drivers/serial/8250.c: registered 8250 source 2 at line 2
> > [43025635.530000] PPS-TEST port line 3
> > [43025635.540000] drivers/serial/8250.c: registered 8250 source 3 at line 3
> > [43025683.420000] ACPI: PCI Interrupt 0000:00:08.0[A] -> Link [LNKD] -> GSI 15 (level, low) -> IRQ 15
> > [43025683.440000] PPS-TEST port line 0
> > [43025683.440000] 0000:00:08.0: ttyS0 at I/O 0xb800 (irq = 15) is a 16550A
> > [43025683.470000] drivers/serial/8250.c: registered 8250 source 4 at line 0
> > [43025683.500000] PPS-TEST port line 1
> > [43025683.500000] 0000:00:08.0: ttyS1 at I/O 0xb808 (irq = 15) is a 16550A
> > [43025683.530000] drivers/serial/8250.c: registered 8250 source 5 at line 1
> > [43025686.180000] pnp: Device 00:07 activated.
> > [43025686.210000] PPS-TEST port line 2
> > [43025686.210000] 00:07: ttyS2 at I/O 0x3f8 (irq = 4) is a 16550A
> > [43025686.240000] drivers/serial/8250.c: registered 8250 source 6 at line 2
> > [43025686.240000] pnp: Device 00:08 activated.
> > [43025686.270000] PPS-TEST port line 3
> > [43025686.270000] 00:08: ttyS3 at I/O 0x2f8 (irq = 3) is a 16550A
> > [43025686.290000] drivers/serial/8250.c: registered 8250 source 7 at line 3
> 
> Great! Thanks.
> As you can see the several modules trying to register different ports
> at the same "port line"... I don't know why but this generate the
> wrong content of file /proc/pps/sources.
> However you correct PPS source should be #7 on ttyS3, is that right?

No, with minicom I get input only on ttyS1.


Folkert van Heusden

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