linux-kernel - Re: [PATCH v8 00/18] 8250-core based serial driver for OMAP + DMA

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Message-ID: <20140908182503.GA4686@ci00147.xsens-tech.local>
Date:	Mon, 8 Sep 2014 20:25:03 +0200
From:	Frans Klaver <frans.klaver@...ns.com>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:	<linux-serial@...r.kernel.org>, <tony@...mide.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linux-kernel@...r.kernel.org>, <balbi@...com>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v8 00/18] 8250-core based serial driver for OMAP + DMA

On Mon, Sep 08, 2014 at 06:33:13PM +0200, Sebastian Andrzej Siewior wrote:
> * Sebastian Andrzej Siewior | 2014-09-08 17:15:01 [+0200]:
> 
> >* Frans Klaver | 2014-09-08 16:46:18 [+0200]:
> >
> >>- ncurses based applications (vi, less) don't play nice for me on the
> >>  console with this series. less doesn't show me anything. vi doesn't
> >>  return to console properly.
> >
> >Can you give a test case 
> 
> Okay. less. My am335x-evm freezes after a while for no obvious reason.
> The data that hits the RX fifo is still received but the TX won't do
> anything. The DMA request is pending, the FIFO level is @64 bytes and
> the UART doesn't make any progress.
> On beagle-board I see what you described: less on a file and nothing
> happens.

Exactly that, yes.

Frans
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