From: Sebastian Andrzej Siewior <bigeasy-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
To: Lennart Sorensen
<lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys@public.gmane.org>
Cc: linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org,
balbi-l0cyMroinI0@public.gmane.org,
gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 11/13] arm: dts: dra7: add DMA properties for UART
Date: Wed, 05 Nov 2014 09:11:35 +0100 [thread overview]
Message-ID: <5459DBB7.1090702@linutronix.de> (raw)
In-Reply-To: <20141105011506.GG24112-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys@public.gmane.org>
On 11/05/2014 02:15 AM, Lennart Sorensen wrote:
> Well 4 hours running with multiple reboots (our testsuite reboots every
> 30 minutes to test the watchdog). So far it has only lost 70 bytes out
> of 40MB of data sent between uart7 and uart8 (and we are pretty sure
> the serial test has a small bug that causes a few bytes to be lost right
> after a reboot sometimes).
>
> The reason I am even trying the new driver today is that we were seeing
> soft lockups on the CPU whenever the serial ports were being tested,
> usually in less than 5 minutes, so 4 hours without a lockup is a good
> sign. No idea what might be wrong with the old omap serial driver, but
> it seems something is (unless of course we managed to break it somehow
> when we tried to solve its habit of dropping characters).
Okay. No DMA but the basic part seems to work for you. Thanks for
testing.
Sebastian
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next prev parent reply other threads:[~2014-11-05 8:11 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-29 18:06 [PATCH 00/13 v10] omap 8250 based UART + DMA Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 01/13] tty: serial: 8250: Fix wording in runtime-PM comments Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 02/13] tty: serial: 8250: make serial8250_console_setup() non _init Sebastian Andrzej Siewior
2014-09-30 20:27 ` Peter Hurley
2014-09-29 18:06 ` [PATCH 03/13] tty: serial: Add 8250-core based omap driver Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 04/13] tty: serial: 8250_dma: handle error on TX submit Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 05/13] tty: serial: 8250_dma: keep own book keeping about RX transfers Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 06/13] tty: serial: 8250: allow to use custom DMA implementation Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 07/13] tty: serial: 8250_omap: add custom DMA-TX callback Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 08/13] tty: serial: 8250_omap: add custom DMA-RX callback Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 09/13] dmaengine: edma: check for echan->edesc => NULL in edma_dma_pause() Sebastian Andrzej Siewior
2014-10-01 12:00 ` Peter Ujfalusi
2014-10-15 15:27 ` Vinod Koul
2014-10-15 15:28 ` Vinod Koul
2014-09-29 18:06 ` [PATCH 10/13] arm: dts: am33xx: add DMA properties for UART Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 11/13] arm: dts: dra7: " Sebastian Andrzej Siewior
2014-11-04 17:02 ` Lennart Sorensen
2014-11-04 17:06 ` Sebastian Andrzej Siewior
2014-11-04 17:21 ` Lennart Sorensen
2014-11-04 18:32 ` Javier Martinez Canillas
2014-11-04 18:48 ` Nishanth Menon
[not found] ` <CABxcv=kT+M70Xoyf_z4eQQyM0Oo9S5Y0YeX2R6PbAqxK-JTLLg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-04 19:00 ` Lennart Sorensen
2014-11-04 18:33 ` Lennart Sorensen
2014-11-04 21:03 ` Lennart Sorensen
[not found] ` <20141104210315.GF24112-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys@public.gmane.org>
2014-11-05 1:15 ` Lennart Sorensen
[not found] ` <20141105011506.GG24112-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys@public.gmane.org>
2014-11-05 8:11 ` Sebastian Andrzej Siewior [this message]
2014-11-05 15:33 ` Lennart Sorensen
2014-11-05 16:20 ` Lennart Sorensen
2014-11-05 16:30 ` Sebastian Andrzej Siewior
2014-11-05 19:43 ` Lennart Sorensen
[not found] ` <20141105194323.GI24112-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys@public.gmane.org>
2014-11-13 18:34 ` Sebastian Andrzej Siewior
2014-11-13 22:08 ` Lennart Sorensen
2014-09-29 18:06 ` [PATCH 12/13] tty: serial: 8250: omap: add custom irq handling Sebastian Andrzej Siewior
2014-10-09 13:19 ` Heikki Krogerus
2014-09-29 18:06 ` [PATCH 13/13] tty: serial: 8250: omap: add dma support Sebastian Andrzej Siewior
2014-10-02 16:43 ` [PATCH 00/13 v10] omap 8250 based UART + DMA Tony Lindgren
2014-10-02 23:19 ` Sebastian Andrzej Siewior
2014-10-03 13:08 ` Peter Hurley
2014-11-06 3:14 ` Greg KH
2014-11-06 10:27 ` Sebastian Andrzej Siewior
2014-11-10 17:24 ` Tony Lindgren
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