netdev - Re: bug: 'ethtool -m' reports spurious alarm & warning threshold values for QSFP28 transceivers

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Message-ID: <20180926194436.GB1251@lunn.ch>
Date:   Wed, 26 Sep 2018 21:44:36 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Chris Preimesberger <chrisp@...nsition.com>
Cc:     "linville@...driver.com" <linville@...driver.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: bug: 'ethtool -m' reports spurious alarm & warning threshold
 values for QSFP28 transceivers

On Wed, Sep 26, 2018 at 07:29:23PM +0000, Chris Preimesberger wrote:
> Hello,
> 
> I'm re-sending in plain text per the auto-reply from a spam filter.

Yep. no html obfustication accepted here. Please ASCII only please :-)

Please can you also wrap your lines at about 75 characters.

>  I have attached some text files this time, which explain the situation below, in case the below email's font & formatting is now too messed up for easy comprehension.

> Bug #1.  Ethtool's reporting of the installed transceiver's alarm and warning thresholds will differ, depending on whether or not ethtool is piped to another command.  Example commands are below, with their respective differing output values highlighted:

Could you dump the raw values. That will make it easier for us to
reproduce this issue, assuming it is ethtool, and not the kernel
driver.

Thanks
	Andrew