netdev - Re: cxgb4 is broken in v4.12-rc1

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Message-ID: <CY4PR12MB1432CA69BD6B7AE335B5DBB2C1E60@CY4PR12MB1432.namprd12.prod.outlook.com>
Date:   Tue, 16 May 2017 01:00:08 +0000
From:   Ganesh GR <ganeshgr@...lsio.com>
To:     Logan Gunthorpe <logang@...tatee.com>
CC:     "David S. Miller" <davem@...emloft.net>,
        Stephen Bates <sbates@...thlin.com>,
        SWise OGC <swise@...ngridcomputing.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: cxgb4 is broken in v4.12-rc1

Hi Logan,

Thanks for reporting the issue I will try to reproduce this, btw what is the firmware version
on your setup?.

Regards
Ganesh

From: Logan Gunthorpe <logang@...tatee.com>
Sent: Tuesday, May 16, 2017 4:06 AM
To: Ganesh GR
Cc: David S. Miller; Stephen Bates; SWise OGC; netdev@...r.kernel.org
Subject: BUG: cxgb4 is broken in v4.12-rc1

Hi,

With rc1 my T62100-LP-CR no longer functions correctly. Everything
appears fine but the link never goes into the UP state. I have one peer
with an older (functioning) kernel and the other peer on rc1.

I've bisected to find this is the offending commit:

3bb4858fd: cxgb4: avoid disabling FEC by default

I've also attached a bisect log.

Let me know if you need anything else.

Thanks,

Logan