linux-kernel - Re: [BUG 4.15-rc7] IRQ matrix management errors

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Message-ID: <20180118023720.GE7562@localhost.localdomain>
Date:   Wed, 17 Jan 2018 19:37:20 -0700
From:   Keith Busch <keith.busch@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: [BUG 4.15-rc7] IRQ matrix management errors

On Wed, Jan 17, 2018 at 04:01:47PM +0100, Thomas Gleixner wrote:
> Which device is allocating gazillions of non-managed interrupts?

I believe that would be the i40e. :)
 
> The patch below should cure that by spreading them out on allocation.

Yep, this is successfully testing already over 200 iterations that used to
fail within only a few. I'd say the problem is cured. Thanks!

Tested-by: Keith Busch <keith.busch@...el.com>