linux-kernel - Re: [PATCH v8 7/7] PCI: Work around PCIe link training failures

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Date:   Sun, 14 May 2023 21:54:10 +0100 (BST)
From:   "Maciej W. Rozycki" <macro@...am.me.uk>
To:     Bjorn Helgaas <helgaas@...nel.org>
cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Mahesh J Salgaonkar <mahesh@...ux.ibm.com>,
        Oliver O'Halloran <oohall@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leon@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Lukas Wunner <lukas@...ner.de>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Stefan Roese <sr@...x.de>, Jim Wilson <wilson@...iptree.org>,
        David Abdurachmanov <david.abdurachmanov@...il.com>,
        Pali Rohár <pali@...nel.org>,
        linux-pci@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 7/7] PCI: Work around PCIe link training failures

On Sun, 7 May 2023, Maciej W. Rozycki wrote:

> > We're going to land this series this cycle, come hell or high water.
> 
>  Thank you for coming back to me and for your promise.  I'll strive to 
> address your concerns next weekend.
> 
>  Unfortunately a PDU in my remote lab has botched up and I've lost control
> over it (thankfully not one for the RISC-V machine affected by the patch 
> series, so I can still manage it for reboots, etc., but the botched PDU is 
> actually upstream), so depending on how situation develops I may have to 
> book air travel instead and spend the whole weekend getting things back to 
> normal operation at my lab.  That unit was not supposed to fail, not in 
> such a silly way anyway, sigh...

 Last Thu the situation with the PDU became critical, so I spent a better 
part of yesterday and today travelling and then all night long getting 
things sorted.  So it'll have to be next weekend when I get back to these 
patches.  I hope we can still make it regardless.

  Maciej