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Date:   Fri, 8 May 2020 11:00:21 +0300
From:   Igor Russkikh <>
To:     Jakub Kicinski <>
CC:     <>, "David S . Miller" <>,
        "Ariel Elior" <>,
        Michal Kalderon <>,
        "Denis Bolotin" <>
Subject: Re: [PATCH net-next 06/12] net: qed: gather debug data on hw errors

> On Wed, 6 May 2020 14:33:08 +0300 Igor Russkikh wrote:
>> To implement debug dump retrieval on a live system we add callbacks to
>> collect the same data which is collected now during manual `ethtool -d`
>> call.
>> But we instead collect the dump immediately at the moment bad thing
>> happens, and save it for later retrieval by the same `ethtool -d`.
>> To have ability to track this event, we add kobject uevent trigger,
>> so udev event handler script could be used to automatically collect
> dumps.
> No way. Please use devlink health. Instead of magic ethtool dumps and
> custom udev.

Hi Jakub,

Thanks for the suggestion. I've looked into devlink health infrastructure, but
what's warned me is that our device health dumps are huge (~3Mb). I'm not sure
if health dump infrastructure is designed to push that amounts of data.

I'll check if that's feasible.


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