linux-kernel - Re: [PATCH RESEND] igb: Reset TXPBSIZE to default value

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Message-ID: <D0DEA929.671EB%matthew.vick@intel.com>
Date:	Fri, 16 Jan 2015 19:41:59 +0000
From:	"Vick, Matthew" <matthew.vick@...el.com>
To:	Xander Huff <xander.huff@...com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	"Wyborny, Carolyn" <carolyn.wyborny@...el.com>,
	"Skidmore, Donald C" <donald.c.skidmore@...el.com>,
	"Rose, Gregory V" <gregory.v.rose@...el.com>,
	"Ronciak, John" <john.ronciak@...el.com>,
	"Williams, Mitch A" <mitch.a.williams@...el.com>
CC:	Linux NICS <Linux-nics@...tope.jf.intel.com>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"jeff.westfahl@...com" <jeff.westfahl@...com>,
	"Fujinaka, Todd" <todd.fujinaka@...el.com>
Subject: Re: [PATCH RESEND] igb: Reset TXPBSIZE to default value

On 1/16/15, 10:59 AM, "Xander Huff" <xander.huff@...com> wrote:

>From: Jeff Westfahl <jeff.westfahl@...com>
>
>The TXPBSIZE register of the i210 resets to its default value only
>at power-on. It doesn't reset if you reboot the system, only if you
>pull power. If something (another driver, another OS, etc.) modifies
>this register from its default value, the igb driver doesn't function
>correctly. It detects a hang of the transmitter and continuously resets
>the adapter. Here we set this value to its default when resetting the
>i210 to resolve this issue.

This should have already been resolved last May in commit
27dff8b2f680ce966b5d959be9d69dd0edd92e3b ("igb: add defaults for i210
TX/RX PBSIZE"). Are you running the latest upstream kernel?

Cheers,
Matthew

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