Re: tty TTY_HUPPED anomaly

From: Jiri Slaby
Date: Wed Jan 04 2012 - 15:41:01 EST


On 01/04/2012 09:35 PM, Mark Hounschell wrote:
> On 01/04/2012 03:28 PM, Jiri Slaby wrote:
>> On 01/04/2012 07:59 PM, Mark Hounschell wrote:
>>>> I would guess (given the distro change is the trigger) that you've
>>>> got a
>>>> SuSE problem not a kernel one. The kernel behaviour and code looks
>>>> correct. My guess therefore is that newer SuSE is running stuff in the
>>>> boot which is probing serial ports and messing with the carrier wrongly
>>>> and in ways it didn't use to. That would fit the fact that something
>>>> similarly broken has apparently also appeared in the Fedora user space
>>>> bootup.
>>
>> And we (suse) have a report for enterprise, that says ModemManager
>> causes a similar issue. Could you perhaps check whether you have that
>> thing installed?
>>
>> thanks,
>
> Yep. ModemManager-0.5-3.1.3.i586

And what happens if you remove that?

--
js
suse labs
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