From: Bjorn Helgaas <helgaas@kernel.org>
To: Zeno Davatz <zdavatz@gmail.com>
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [Bug 216859] New: PCI bridge to bus boot hang at enumeration
Date: Wed, 28 Dec 2022 12:42:34 -0600 [thread overview]
Message-ID: <20221228184234.GA530399@bhelgaas> (raw)
In-Reply-To: <CAOkhzLXr_+oydSFVm+LdwzCU+qZ_A=m4dcV+r=Uf-OjQnNdJqA@mail.gmail.com>
On Wed, Dec 28, 2022 at 06:42:38PM +0100, Zeno Davatz wrote:
> Dear Bjorn
>
> On Wed, Dec 28, 2022 at 1:02 PM Bjorn Helgaas <helgaas@kernel.org> wrote:
> >
> > [+cc linux-pci, linux-kernel]
> >
> > On Wed, Dec 28, 2022 at 08:37:52AM +0000, bugzilla-daemon@kernel.org 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.
Sounds good, thanks!
> > How did you conclude that the hang is related to a PCI bridge? I see
> > recent PCI messages in the photo, but it looks like the last message
> > is from NFS, so I'm wondering if I'm missing some context. The v6.0
> > dmesg shows several other ntfs, fuse, JFS, etc messages before more
> > PCI-related things. Anyway, the "initcall_debug" might help us narrow
> > it down a bit.
>
> I did not really conclude that. I just saw "PCI" as one of the last
> messages being outputted before the boot process stopped.
OK. We'll figure it out!
Bjorn
next prev parent reply other threads:[~2022-12-28 18:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-216859-41252@https.bugzilla.kernel.org/>
2022-12-28 12:02 ` [Bug 216859] New: PCI bridge to bus boot hang at enumeration Bjorn Helgaas
2022-12-28 17:42 ` Zeno Davatz
2022-12-28 18:42 ` Bjorn Helgaas [this message]
2022-12-30 18:50 ` Bjorn Helgaas
2023-01-06 16:42 ` Zeno Davatz
2023-01-19 0:04 ` Bjorn Helgaas
2023-01-19 17:00 ` Bjorn Helgaas
2023-01-19 17:36 ` Zeno Davatz
2023-01-12 20:08 ` Bjorn Helgaas
2023-01-13 10:18 ` Zeno Davatz
2023-01-26 12:11 ` [REGRESSION] " Bjorn Helgaas
2023-02-01 22:30 ` Bjorn Helgaas
2023-02-01 23:27 ` Bjorn Helgaas
2023-02-13 20:47 ` Bjorn Helgaas
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