Messages in this thread | | | Date | Wed, 28 Dec 2022 12:42:34 -0600 | From | Bjorn Helgaas <> | Subject | Re: [Bug 216859] New: PCI bridge to bus boot hang at enumeration |
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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
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