netdev - Re: [PATCH net v2] igb: fix netpoll exit with traffic

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Message-ID: <480a6f82-99c4-ad46-3878-6bb442d81496@moonlit-rail.com>
Date:   Wed, 24 Nov 2021 17:32:04 -0500
From:   "Kris Karas (Bug reporting)" <bugs-a21@...nlit-rail.com>
To:     Jesse Brandeburg <jesse.brandeburg@...el.com>
Cc:     intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        Oleksandr Natalenko <oleksandr@...alenko.name>,
        Danielle Ratson <danieller@...dia.com>,
        Alexander Duyck <alexander.duyck@...il.com>
Subject: Re: [PATCH net v2] igb: fix netpoll exit with traffic

Jesse Brandeburg wrote:
> Oleksandr brought a bug report where netpoll causes trace
> messages in the log on igb.
> ---
> -	return min(work_done, budget - 1);
> +	return work_done;

I am able to reproduce the WARNING + stack trace at will.  It occurs on 
every boot.
Please see https://bugzilla.kernel.org/show_bug.cgi?id=212573 for details.

I have tested the simple patch (v2) against both kernels 5.14 and 5.15, 
and am happy to report that this fixes the issue for me.

Kris