netdev - Re: [BUG] net, pci: 6.3-rc1-4 hangs during boot on PowerEdge R620 with igb

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Date:   Tue, 11 Apr 2023 13:53:09 +0100
From:   Donald Hunter <donald.hunter@...il.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, netdev@...r.kernel.org,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>
Subject: Re: [BUG] net, pci: 6.3-rc1-4 hangs during boot on PowerEdge R620
 with igb

Bjorn Helgaas <helgaas@...nel.org> writes:

> On Mon, Apr 10, 2023 at 04:10:54PM +0100, Donald Hunter wrote:
>> On Sun, 2 Apr 2023 at 23:55, Bjorn Helgaas <helgaas@...nel.org> wrote:
>> > On Sat, Apr 01, 2023 at 01:52:25PM +0100, Donald Hunter wrote:
>> > > On Fri, 31 Mar 2023 at 20:42, Bjorn Helgaas <helgaas@...nel.org> wrote:
>> > > >
>> > > > I assume this igb NIC (07:00.0) must be built-in (not a plug-in card)
>> > > > because it apparently has an ACPI firmware node, and there's something
>> > > > we don't expect about its status?
>> > >
>> > > Yes they are built-in, to my knowledge.
>> > >
>> > > > Hopefully Rob will look at this.  If I were looking, I would be
>> > > > interested in acpidump to see what's in the DSDT.
>> > >
>> > > I can get an acpidump. Is there a preferred way to share the files, or just
>> > > an email attachment?
>> >
>> > I think by default acpidump produces ASCII that can be directly
>> > included in email.  http://vger.kernel.org/majordomo-info.html says
>> > 100K is the limit for vger mailing lists.  Or you could open a report
>> > at https://bugzilla.kernel.org and attach it there, maybe along with a
>> > complete dmesg log and "sudo lspci -vv" output.
>> 
>> Apologies for the delay, I was unable to access the machine while travelling.
>> 
>> https://bugzilla.kernel.org/show_bug.cgi?id=217317
>
> Thanks for that!  Can you boot a kernel with 6fffbc7ae137 reverted
> with this in the kernel parameters:
>
>   dyndbg="file drivers/acpi/* +p"
>
> and collect the entire dmesg log?

Added to the bugzilla report.

Thanks!