linux-kernel - Re: PROBLEM: Intel I210AT NIC resets while using PCI passthrough on ESXi (regression)

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Message-ID: <alpine.DEB.2.11.1607261455080.19896@nanos>
Date:	Tue, 26 Jul 2016 15:00:50 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Foster Snowhill <forst@...stwoof.ru>
cc:	LKML <linux-kernel@...r.kernel.org>,
	Matthias Prager <linux@...thiasprager.de>,
	Jason Taylor <jason.taylor@...plivity.com>,
	Marc Zyngier <marc.zyngier@....com>
Subject: Re: PROBLEM: Intel I210AT NIC resets while using PCI passthrough on
 ESXi (regression)

On Tue, 26 Jul 2016, Foster Snowhill wrote:
> On 26.07.16 14:46, Thomas Gleixner wrote:
> > Can you please try whether the replacement patch below fixes your issue as
> > well?

> This one doesn't fix the issue, getting resets again. Patch applied to HEAD
> (commit e65805251f2db69c9f67ed8062ab82526be5a374).
>
> [    4.413127] igb 0000:13:00.0: Using MSI-X interrupts. 1 rx queue(s), 1 tx queue(s)

Gah! That's MSI-X not MSI. So yes, the patch can't work then. Though it
confirms that it is an actual VMWARE emulation bug ...

Thanks,

	tglx