From: Cary O'Brien <cobrien@cornet.com>
Cc: "meta-freescale@yoctoproject.org" <meta-freescale@yoctoproject.org>
Subject: Re: CLOCAL bit for console ttyAMA0 on imx28evk with 3.14 kernel
Date: Tue, 11 Nov 2014 11:11:45 -0500 [thread overview]
Message-ID: <54623541.3010507@cornet.com> (raw)
In-Reply-To: <CAOMZO5C1X1eAR+efw-tPP_a+O-Vy-oemSKDRdOLATh_2BZDQ8Q@mail.gmail.com>
Fabio Estevam wrote:
> On Tue, Nov 11, 2014 at 4:41 AM, Craig McQueen
> <craig.mcqueen@beamcommunications.com> wrote:
>> I'm doing a Yocto build of core-image-minimal for imx28evk with linux-fslc
>> kernel provider (thus 3.14.19 kernel).
>>
>> I've found that Busybox 'less' and GNU 'screen' are unresponsive when run
>> from the serial debug console (ttyAMA0). E.g. 'less /etc/passwd' just hangs
>> and must be stopped with Ctrl-C. 'screen' hangs and must be stopped with
>> Ctrl-\.
>>
>> I traced it to the serial debug console not having CLOCAL bit set. Doing
>> 'stty clocal' fixes it, so less and screen work normally.
>>
>> I think CLOCAL should always be set for serial terminals. But I'm new to
>> Yocto, and I don't know what/where is needed to change so that CLOCAL bit is
>> set for the serial console. Any advice?
For whatever it's worth, I have the same situation with Yocto 1.6 and a P1022 board.
Cary O'Brien
> I was able to reproduce this bug on dizzy.
>
> Otavio, any suggestions?
next prev parent reply other threads:[~2014-11-11 16:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-11 6:41 CLOCAL bit for console ttyAMA0 on imx28evk with 3.14 kernel Craig McQueen
2014-11-11 7:40 ` Nikolay Dimitrov
2014-11-11 16:05 ` Fabio Estevam
2014-11-11 16:11 ` Cary O'Brien [this message]
2014-11-11 17:42 ` Otavio Salvador
2014-11-11 17:46 ` Fabio Estevam
2014-11-11 17:53 ` Otavio Salvador
2014-11-11 23:00 ` Craig McQueen
2014-11-11 23:47 ` Otavio Salvador
2014-11-12 2:06 ` Craig McQueen
2015-01-02 7:10 ` Colin Moloney
2015-01-02 11:38 ` Otavio Salvador
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