Re: [Bug 216859] New: PCI bridge to bus boot hang at enumeration

From: Zeno Davatz
Date: Fri Jan 06 2023 - 11:43:47 EST


Dear Bjorn

Happy New Year!

On Fri, Dec 30, 2022 at 7:50 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
>
> [+cc Bruno, to include you here as well as the bugzilla]
>
> On Wed, Dec 28, 2022 at 12:42:34PM -0600, Bjorn Helgaas wrote:
> > On Wed, Dec 28, 2022 at 06:42:38PM +0100, Zeno Davatz wrote:
> > > On Wed, Dec 28, 2022 at 1:02 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> > > > On Wed, Dec 28, 2022 at 08:37:52AM +0000, bugzilla-daemon@xxxxxxxxxx wrote:
> > > > > https://bugzilla.kernel.org/show_bug.cgi?id=216859
> > > >
> > > > > Summary: PCI bridge to bus boot hang at enumeration
> > > > > Kernel Version: 6.1-rc1
> > > > > ...
> > > >
> > > > > With Kernel 6.1-rc1 the enumeration process stopped working for me,
> > > > > see attachments.
> > > > >
> > > > > The enumeration works fine with Kernel 6.0 and below.
> > > > >
> > > > > Same problem still exists with v6.1. and v6.2.-rc1
> > > >
> > > > Thank you very much for your report, Zeno!
> > > >
> > > > v6.0 works, v6.1-rc1 fails. Would you mind booting v6.1-rc1 with the
> > > > "ignore_loglevel initcall_debug" kernel parameters and taking a photo
> > > > when it hangs?
> > >
> > > I will try this after Januar 7th 2023.

I updated the issue:

https://bugzilla.kernel.org/show_bug.cgi?id=216859

I booted with the option: "ignore_loglevel initcall_debug"

Best
Zeno