linux-kernel - RE: [PATCH net-next 3/3] net: stmmac: Introducing support for Page Pool

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Message-ID: <BN8PR12MB3266FD9CF18691EDEF05A4B8D3CB0@BN8PR12MB3266.namprd12.prod.outlook.com>
Date:   Fri, 19 Jul 2019 10:25:41 +0000
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     Jon Hunter <jonathanh@...dia.com>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
CC:     Joao Pinto <Joao.Pinto@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        linux-tegra <linux-tegra@...r.kernel.org>
Subject: RE: [PATCH net-next 3/3] net: stmmac: Introducing support for Page
 Pool

From: Jon Hunter <jonathanh@...dia.com>
Date: Jul/19/2019, 09:49:10 (UTC+00:00)

> 
> On 19/07/2019 09:44, Jose Abreu wrote:
> > From: Jon Hunter <jonathanh@...dia.com>
> > Date: Jul/19/2019, 09:37:49 (UTC+00:00)
> > 
> >>
> >> On 19/07/2019 08:51, Jose Abreu wrote:
> >>> From: Jon Hunter <jonathanh@...dia.com>
> >>> Date: Jul/18/2019, 10:16:20 (UTC+00:00)
> >>>
> >>>> Have you tried using NFS on a board with this ethernet controller?
> >>>
> >>> I'm having some issues setting up the NFS server in order to replicate 
> >>> so this may take some time.
> >>
> >> If that's the case, we may wish to consider reverting this for now as it
> >> is preventing our board from booting. Appears to revert cleanly on top
> >> of mainline.
> >>
> >>> Are you able to add some debug in stmmac_init_rx_buffers() to see what's 
> >>> the buffer address ?
> >>
> >> If you have a debug patch you would like me to apply and test with I
> >> can. However, it is best you prepare the patch as maybe I will not dump
> >> the appropriate addresses.
> >>
> >> Cheers
> >> Jon
> >>
> >> -- 
> >> nvpublic
> > 
> > Send me full boot log please.
> 
> Please see: https://urldefense.proofpoint.com/v2/url?u=https-3A__paste.debian.net_1092277_&d=DwICaQ&c=DPL6_X_6JkXFx7AXWqB0tg&r=WHDsc6kcWAl4i96Vm5hJ_19IJiuxx_p_Rzo2g-uHDKw&m=iHahNPEIegk1merE1utjRvC8Xoz5jQlNb1VRzPHk4-4&s=4UTbo8miS4M-PmGNup4OXgJOosgvJQZm9wcvWYjJs7k&e= 
> 
> Cheers
> Jon
> 
> -- 
> nvpublic

Thanks. Can you add attached patch and check if WARN is triggered ? And 
it would be good to know whether this is boot specific crash or just 
doesn't work at all, i.e. not using NFS to mount rootfs and instead 
manually configure interface and send/receive packets.

---
Thanks,
Jose Miguel Abreu

Download attachment "0001-net-stmmac-Add-page-sanity-check.patch" of type "application/octet-stream" (1393 bytes)