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Date:   Fri, 22 Mar 2019 15:02:11 -0500
From:   Jesse Hathaway <jesse@...ki-mvuki.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: Regression causes a hang on boot with a Comtrol PCI card

> So apparently the hang happens while we're running the "final" PCI
> fixups.  This happens after all the rest of PCI is initialized.
>
> Can you boot v5.0 vanilla with "initcall_debug"?  Maybe we can narrow
> it down to a specific quirk.

yup, added the "initcall_debug" output to the ticket:
https://bugzilla.kernel.org/show_bug.cgi?id=202927, here is the tail end

[   14.896337] NET: Registered protocol family 1
[   14.901314] initcall af_unix_init+0x0/0x4e returned 0 after 4866 usecs
[   14.908694] calling  ipv6_offload_init+0x0/0x7f @ 1
[   14.914238] initcall ipv6_offload_init+0x0/0x7f returned 0 after 1 usecs
[   14.921821] calling  vlan_offload_init+0x0/0x20 @ 1
[   14.927365] initcall vlan_offload_init+0x0/0x20 returned 0 after 0 usecs
[   14.934948] calling  pci_apply_final_quirks+0x0/0x126 @ 1
[   14.941106] pci 0000:00:1a.0: calling  quirk_usb_early_handoff+0x0/0x6a0 @ 1

thanks, Jesse Hathaway

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