Messages in this thread | | | Date | Fri, 8 Oct 2021 06:01:49 -0500 | From | Bjorn Helgaas <> | Subject | Re: [PATCH] x86/PCI: Add pci=no_e820 cmdline option to ignore E820 reservations for bridge windows |
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[+cc Mika, Benoit, Juha-Pekka]
On Thu, Oct 07, 2021 at 11:55:32AM -0500, Bjorn Helgaas wrote: > [+cc Hui, Rafael, Myron; this looks like the same issue Hui encountered: > https://lore.kernel.org/r/20210624095324.34906-1-hui.wang@canonical.com]
Cross reference to another thread about a similar issue:
https://lore.kernel.org/r/20200617164734.84845-1-mika.westerberg@linux.intel.com
Beginning of this thread:
https://lore.kernel.org/r/20211005150956.303707-1-hdegoede@redhat.com
> On Tue, Oct 05, 2021 at 05:09:56PM +0200, Hans de Goede wrote: > > Some BIOS-es contain a bug where they add addresses which map to system RAM > > in the PCI bridge memory window returned by the ACPI _CRS method, see > > commit 4dc2287c1805 ("x86: avoid E820 regions when allocating address > > space"). > > ...
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