Dear Bjorn On Wed, Dec 28, 2022 at 1:02 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote: > > [+cc linux-pci, linux-kernel] > > 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. > 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. Best Zeno
