Re: [PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx

From: Frans Klaver
Date: Thu Sep 11 2014 - 13:04:19 EST


On 11 September 2014 18:04:32 CEST, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote:
>On 09/11/2014 05:11 PM, Frans Klaver wrote:
>
>> I can still reproduce it on am335x. I can get out of it as soon as
>> something else gets written to the console though.
>>
>> # echo "<3>something" >/dev/kmsg
>
>Is this to stall it or to get out of it?

This is to get out of it. I do this from an ssh connection after the console got stuck. The 3 kind of ensures the message is actually sent to ttyS0.


>
>>
>> Frans
>
>Sebastian
>
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