From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Thomas.Kopp@microchip.com
Cc: Stefan.Althoefer@janztec.com, linux-can@vger.kernel.org
Subject: Re: RE: RE: AW: AW: mcp251xfd: Bad message receiption (1/2)
Date: Tue, 10 Jan 2023 23:43:02 +0100 [thread overview]
Message-ID: <20230110224302.v2eqqunjo2zhpfrf@pengutronix.de> (raw)
In-Reply-To: <20230110223744.mzktwinp54cad6ow@pengutronix.de>
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On 10.01.2023 23:37:44, Marc Kleine-Budde wrote:
> On 10.01.2023 22:50:33, Marc Kleine-Budde wrote:
> > On 10.01.2023 21:40:16, Thomas.Kopp@microchip.com wrote:
> > > > The correct message counter is 0x100, the wrong one 0x120. That's 2x
> > > > FIFO size. I'd like to know when the FIFO head is wrong for the first
> > > > time, one that results in a data transfer where "old" FIFO contents is
> > > > read. I haven't dumped any data yet.
> >
> > I got a chip-delta == 4 error.
>
> I have a proof of concept workaround implemented and I'll let it run
> over night.
\o/ The workaround triggered and Stefan's test program continued without
problems \o/
g'night,
Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
Vertretung West/Dortmund | Phone: +49-231-2826-924 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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next prev parent reply other threads:[~2023-01-10 22:43 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-22 7:44 mcp251xfd: Bad message receiption Stefan Althöfer
2022-12-22 9:07 ` Thomas.Kopp
2022-12-22 10:30 ` AW: " Stefan Althöfer
2022-12-22 13:02 ` Marc Kleine-Budde
2022-12-23 8:18 ` AW: " Stefan Althöfer
2022-12-23 19:25 ` Marc Kleine-Budde
2022-12-24 15:57 ` Marc Kleine-Budde
2022-12-30 22:51 ` AW: " Stefan Althöfer
2023-01-01 10:43 ` Stefan Althöfer
2023-01-04 15:55 ` Stefan Althöfer
2023-01-09 7:10 ` AW: AW: AW: mcp251xfd: Bad message receiption (1/2) Stefan Althöfer
2023-01-10 12:50 ` Thomas.Kopp
2023-01-10 14:53 ` Marc Kleine-Budde
2023-01-10 17:08 ` Marc Kleine-Budde
2023-01-10 18:39 ` Marc Kleine-Budde
2023-01-10 21:40 ` Thomas.Kopp
2023-01-10 21:50 ` Marc Kleine-Budde
2023-01-10 22:37 ` Marc Kleine-Budde
2023-01-10 22:43 ` Marc Kleine-Budde [this message]
2023-01-11 8:17 ` Marc Kleine-Budde
2023-01-11 11:54 ` Marc Kleine-Budde
2023-01-09 7:10 ` AW: AW: AW: mcp251xfd: Bad message receiption (2/2) Stefan Althöfer
2022-12-22 14:51 ` mcp251xfd: Bad message receiption Marc Kleine-Budde
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