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

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Date:   Mon, 15 May 2017 19:50:13 -0600
From:   Logan Gunthorpe <logang@...tatee.com>
To:     Ganesh GR <ganeshgr@...lsio.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,

Thanks for looking into it. The version information of the card is:

[    5.235956] cxgb4 0000:07:00.4: Chelsio T62100-LP-CR rev 0
[    5.235957] cxgb4 0000:07:00.4: S/N: PT51160053, P/N: 11012106004
[    5.235959] cxgb4 0000:07:00.4: Firmware version: 1.16.29.4
[    5.235960] cxgb4 0000:07:00.4: Bootstrap version: 255.255.255.255
[    5.235961] cxgb4 0000:07:00.4: TP Microcode version: 0.1.23.2

Logan


On 15/05/17 07:00 PM, Ganesh GR wrote:
> 
> 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
>     
>