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From: <Conor.Dooley@microchip.com>
To: <geert+renesas@glider.be>, <Daire.McNamara@microchip.com>,
	<a.zummo@towertech.it>, <alexandre.belloni@bootlin.com>
Cc: <linux-riscv@lists.infradead.org>, <linux-rtc@vger.kernel.org>
Subject: Re: [PATCH] rtc: mpfs: Remove printing of stray CR
Date: Sat, 20 Aug 2022 17:05:35 +0000	[thread overview]
Message-ID: <76dae817-6f78-9070-cd02-c96af605148e@microchip.com> (raw)
In-Reply-To: <4d414583-1011-4f01-870e-5d3ad812109a@microchip.com>

On 16/08/2022 18:27, Conor Dooley wrote:
> On 16/08/2022 15:18, Geert Uytterhoeven wrote:
>> Apparently updating the RTC when Debian userspace starts fails, causing
>> an infinite stream of:
>>
>>     mpfs_rtc 20124000.rtc: timed out uploading time to rtc
>>
>> Increasing UPLOAD_TIMEOUT_US from 50 to 50000 doesn't help.
> 
> I didn't see this once during development, nor when I tested before
> I left work today. Tested when I got home, happened once the first
> time I tried it & never saw it again after that...
> 
> I'll take a look this week and see if I can figure out a cause.
> 
> As I mentioned on IRC, I wondered if there was an interaction between
> the HSS you're running & the reset controller series that you applied.
> 
> I looked back at the the HSS, and there was a point where it did not
> take the RTC out of reset - but that predates the version you have
> (0.99.16) by over 6 months.
> 
> I would still be quite interested in seeing if it repro's without
> the reset series.

I have managed to repro this intermittently on v6.0-rc1, although
quite infrequently. I don't have the reset series applied nor am
I on an old HSS. I don't see the stream that you do w/ my Ubuntu
nfs, just a single timeout, when it occurs. Haven't really had a
chance to debug yet, but I'll LYK.

Thanks,
Conor.

WARNING: multiple messages have this Message-ID (diff)
From: <Conor.Dooley@microchip.com>
To: <geert+renesas@glider.be>, <Daire.McNamara@microchip.com>,
	<a.zummo@towertech.it>, <alexandre.belloni@bootlin.com>
Cc: <linux-riscv@lists.infradead.org>, <linux-rtc@vger.kernel.org>
Subject: Re: [PATCH] rtc: mpfs: Remove printing of stray CR
Date: Sat, 20 Aug 2022 17:05:35 +0000	[thread overview]
Message-ID: <76dae817-6f78-9070-cd02-c96af605148e@microchip.com> (raw)
In-Reply-To: <4d414583-1011-4f01-870e-5d3ad812109a@microchip.com>

On 16/08/2022 18:27, Conor Dooley wrote:
> On 16/08/2022 15:18, Geert Uytterhoeven wrote:
>> Apparently updating the RTC when Debian userspace starts fails, causing
>> an infinite stream of:
>>
>>     mpfs_rtc 20124000.rtc: timed out uploading time to rtc
>>
>> Increasing UPLOAD_TIMEOUT_US from 50 to 50000 doesn't help.
> 
> I didn't see this once during development, nor when I tested before
> I left work today. Tested when I got home, happened once the first
> time I tried it & never saw it again after that...
> 
> I'll take a look this week and see if I can figure out a cause.
> 
> As I mentioned on IRC, I wondered if there was an interaction between
> the HSS you're running & the reset controller series that you applied.
> 
> I looked back at the the HSS, and there was a point where it did not
> take the RTC out of reset - but that predates the version you have
> (0.99.16) by over 6 months.
> 
> I would still be quite interested in seeing if it repro's without
> the reset series.

I have managed to repro this intermittently on v6.0-rc1, although
quite infrequently. I don't have the reset series applied nor am
I on an old HSS. I don't see the stream that you do w/ my Ubuntu
nfs, just a single timeout, when it occurs. Haven't really had a
chance to debug yet, but I'll LYK.

Thanks,
Conor.
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  reply	other threads:[~2022-08-20 17:05 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-16 14:18 [PATCH] rtc: mpfs: Remove printing of stray CR Geert Uytterhoeven
2022-08-16 14:18 ` Geert Uytterhoeven
2022-08-16 17:27 ` Conor.Dooley
2022-08-16 17:27   ` Conor.Dooley
2022-08-20 17:05   ` Conor.Dooley [this message]
2022-08-20 17:05     ` Conor.Dooley
2022-08-23 20:18 ` Alexandre Belloni
2022-08-23 20:18   ` Alexandre Belloni

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