netdev - RE: bnx2x - odd behaviour

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Message-ID: <MN2PR18MB25286168973633CD6E0E002CD3250@MN2PR18MB2528.namprd18.prod.outlook.com>
Date:   Wed, 17 Apr 2019 07:58:00 +0000
From:   Sudarsana Reddy Kalluru <skalluru@...vell.com>
To:     Ian Kumlien <ian.kumlien@...il.com>
CC:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Ariel Elior <aelior@...vell.com>,
        Ameen Rahman <arahman@...vell.com>
Subject: RE: bnx2x - odd behaviour

+Ameen

Ian,
    We couldn't find the root-cause from the logs/register-dump.
Could you please load the driver with link-debugs enabled, i.e., modprobe bnx2x debug=0x4 or 'ethtool -s <interface> msglvl 0x4'. And collect the complete kernel logs and the register-dump(collected before performing ifconfig-down). Please also provide the output of "ethtool -i <interface>".

Thanks,
Sudarsana
> -----Original Message-----
> From: Ian Kumlien <ian.kumlien@...il.com>
> Sent: Friday, April 12, 2019 4:39 PM
> To: Sudarsana Reddy Kalluru <skalluru@...vell.com>
> Cc: Linux Kernel Network Developers <netdev@...r.kernel.org>; Ariel Elior
> <aelior@...vell.com>
> Subject: Re: bnx2x - odd behaviour
> 
> On Fri, Apr 12, 2019 at 12:53 PM Sudarsana Reddy Kalluru
> <skalluru@...vell.com> wrote:
> >
> > Hi Ian,
> >    Thanks for your info/help. There's not much info in the logs (e.g., FW
> traces, calltraces). Will contact our firmware team on the register-dump
> analysis and provide you the update.
> 
> Thank you =)
> 
> > Thanks,
> > Sudarsana
> > > -----Original Message-----
> > > From: Ian Kumlien <ian.kumlien@...il.com>
> > > Sent: Friday, April 12, 2019 2:44 PM
> > > To: Sudarsana Reddy Kalluru <skalluru@...vell.com>
> > > Cc: Linux Kernel Network Developers <netdev@...r.kernel.org>; Ariel
> > > Elior <aelior@...vell.com>
> > > Subject: Re: bnx2x - odd behaviour
> > >
> > > Finally!
> > >
> > > Just had a machine with the same issue!
> > >
> > > On Thu, Apr 11, 2019 at 10:56 AM Ian Kumlien <ian.kumlien@...il.com>
> > > wrote:
> > > >
> > > > On Thu, Apr 4, 2019 at 4:27 PM Sudarsana Reddy Kalluru
> > > > <skalluru@...vell.com> wrote:
> > > > >
> > > > > Hi,
> > > > >    We are not aware of this issue. Please collect the register
> > > > > dump i.e.,
> > > "ethtool -d <interface>" output when this issue happens (before
> > > performing
> > > link-flap) and share it for the analysis.
> > >
> > > Sent the dump separately :)