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From: Keith Busch <keith.busch@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [BUG 4.15-rc7] IRQ matrix management errors
Date: Wed, 17 Jan 2018 19:37:20 -0700	[thread overview]
Message-ID: <20180118023720.GE7562@localhost.localdomain> (raw)
In-Reply-To: <alpine.DEB.2.20.1801171557330.1777@nanos>

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@intel.com>

  reply	other threads:[~2018-01-18  2:34 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20180115025759.GG13580@localhost.localdomain>
2018-01-15  3:02 ` Keith Busch
2018-01-15  9:13   ` Thomas Gleixner
2018-01-16  6:16     ` Keith Busch
2018-01-16  7:11       ` Keith Busch
2018-01-16 10:33         ` Thomas Gleixner
2018-01-16 11:20           ` Thomas Gleixner
2018-01-16 14:26             ` Keith Busch
2018-01-17  2:25             ` Keith Busch
2018-01-17  7:34               ` Thomas Gleixner
2018-01-17  7:55                 ` Keith Busch
2018-01-17  9:24                   ` Thomas Gleixner
2018-01-17  9:32                     ` Thomas Gleixner
2018-01-17 14:24                       ` Keith Busch
2018-01-17 15:01                         ` Thomas Gleixner
2018-01-18  2:37                           ` Keith Busch [this message]
2018-01-18  8:10                             ` Thomas Gleixner
2018-01-18  8:48                               ` Keith Busch
2018-01-18  9:06                                 ` Thomas Gleixner
2018-01-18 10:43                           ` [tip:irq/urgent] irq/matrix: Spread interrupts on allocation tip-bot for Thomas Gleixner
2018-01-17 11:15             ` [tip:x86/urgent] x86/apic/vector: Fix off by one in error path tip-bot for Thomas Gleixner

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