netdev - RE: [EXT] Re: [PATCH net-next 13/14] qed: FW 8.42.2.0 debug features

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Message-ID: <MN2PR18MB318296DAE2E98F3BD34B3675A10C0@MN2PR18MB3182.namprd18.prod.outlook.com>
Date:   Wed, 22 Jan 2020 16:41:10 +0000
From:   Michal Kalderon <mkalderon@...vell.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     Jakub Kicinski <kuba@...nel.org>, Ariel Elior <aelior@...vell.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
Subject: RE: [EXT] Re: [PATCH net-next 13/14] qed: FW 8.42.2.0 debug features

> From: Leon Romanovsky <leon@...nel.org>
> Sent: Wednesday, January 22, 2020 6:15 PM
> 
> External Email
> 
> ----------------------------------------------------------------------
> On Wed, Jan 22, 2020 at 04:03:04PM +0000, Michal Kalderon wrote:
> > > From: linux-rdma-owner@...r.kernel.org <linux-rdma-
> > > owner@...r.kernel.org> On Behalf Of Jakub Kicinski
> > >
> > > On Wed, 22 Jan 2020 17:26:26 +0200, Michal Kalderon wrote:
> > > > Add to debug dump more information on the platform it was
> > > > collected from (kernel version, epoch, pci func, path id).
> > >
> > > Kernel version and epoch don't belong in _device_ debug dump.
> > This is actually very useful when customers provide us with a debug-dump
> using the ethtool-d option.
> > We can immediately verify the linux kernel version used.
> 
> Why can't they give you "uname -a" output?
Unfortunately, history has shown us that in many cases even though requested uname -a is not
Provided, or worse, provided but does not match the actual kernel run on. 
Having this information in the dump helps us and provides us with more confidence than uname -a output.

> 
> Thanks