Bug#762396: systemd: serial devices /dev/ttyS2 and /dev/ttyS3 do not work

[Michael Biebl]

Am 21.09.2014 um 22:23 schrieb M G Berberich:
> Package: systemd
> Version: 208-8
> Severity: normal
> 
> Dear Maintainer,
> 
> I have a card with two additional serial devices in the system, giving
> /dev/ttyS2 and /dev/ttyS3. One with a thermal sensor and one with a
> serial terminal. These serial devices do not work when the system is
> started with systemd. They do work fine if sysvinit is used.

Looking at the systemd-analyze dump, I see


-> Unit dev-ttyS3.device:
	Description: PCI 9835 Multi-I/O Controller (2S (16C550 UART))
	Instance: n/a
	Unit Load State: loaded
	Unit Active State: active
..

-> Unit
sys-devices-pci0000:00-0000:00:1c.3-0000:04:00.0-0000:05:01.0-tty-ttyS2.device:
	Description: PCI 9835 Multi-I/O Controller (2S (16C550 UART))
	Instance: n/a
	Unit Load State: loaded
	Unit Active State: active

and a getty on ttyS2:

-> Unit serial-getty at ttyS2.service:
	Description: Serial Getty on ttyS2
	Instance: ttyS2
	Unit Load State: loaded
	Unit Active State: active


The devices seem to be functional, but maybe the getty on ttyS2
interferes with what you want to do with ttyS2?
-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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