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Date:   Fri, 27 Oct 2023 17:24:24 +0200
From:   Tomasz Pala <gotar@polanet.pl>
To:     Bjorn Helgaas <helgaas@kernel.org>
Cc:     linux-pci@vger.kernel.org,
        Dan J Williams <dan.j.williams@intel.com>,
        Kan Liang <kan.liang@linux.intel.com>,
        Tony Luck <tony.luck@intel.com>,
        David E Box <david.e.box@intel.com>,
        Yunying Sun <yunying.sun@intel.com>,
        Dave Jiang <dave.jiang@intel.com>,
        Mika Westerberg <mika.westerberg@linux.intel.com>,
        Giovanni Cabiddu <giovanni.cabiddu@intel.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Hans de Goede <hdegoede@redhat.com>,
        Florent DELAHAYE <linuxkernelml@undead.fr>,
        Konrad J Hambrick <kjhambrick@gmail.com>,
        Matt Hansen <2lprbe78@duck.com>,
        Nicholas Johnson <nicholas.johnson-opensource@outlook.com.au>,
        Benoit =?iso-8859-2?Q?Gr=E9goire?= <benoitg@coeus.ca>,
        Werner Sembach <wse@tuxedocomputers.com>,
        mumblingdrunkard@protonmail.com, linux-kernel@vger.kernel.org,
        Bjorn Helgaas <bhelgaas@google.com>
Subject: Re: [PATCH 2/2] x86/pci: Treat EfiMemoryMappedIO as reservation of
 ECAM space
Message-ID: <20231027152423.GA15910@polanet.pl>
References: <20231012153347.GA26695@polanet.pl>
 <20231026205319.GA1832508@bhelgaas>
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On Thu, Oct 26, 2023 at 15:53:19 -0500, Bjorn Helgaas wrote:

> Something is wrong with our allocation scheme.  Both the MMCONFIG
> region and the ixgbe BAR 0 are at 0x80000000, which obviously cannot
> work.  Maybe the full dmesg log will have a clue about why we didn't
> move ixgbe out of the way.
> 
> Would you mind opening a new report at https://bugzilla.kernel.org,
> attaching those logs, and responding here with the URL?

Sure, no problem: https://bugzilla.kernel.org/show_bug.cgi?id=218050

I've attached the failing one and the one working with my workaround in
place ("if (size >= 256*1024 && 0) {").

regards,
-- 
Tomasz Pala <gotar@pld-linux.org>