False positive. Turns out commit e9d0ba506ea8661a7d91d67e04abe69a535b6048 is present in debian linux kernel on buster.
---------- Forwarded message --------- From: Kai-Heng Feng <kai.heng.f...@canonical.com> Date: Wed, Jul 17, 2019 at 4:13 PM Subject: Re: do_IRQ: 0.37 No irq handler for vector To: Mathieu Malaterre <ma...@debian.org> Hi Mathieu, at 22:05, Mathieu Malaterre <ma...@debian.org> wrote: > Hi Kai, > > I just stumble upon your post: > > https://lore.kernel.org/lkml/e5521441-be1e-4a43-ab5c-0e91165e0...@canonical.com/ > > Would you be kind and tell me what is the actual commit -stable which > was needed ? commit e9d0ba506ea8661a7d91d67e04abe69a535b6048 Author: Daniel Drake <dr...@endlessm.com> Date: Thu Sep 27 15:47:33 2018 -0500 PCI: Reprogram bridge prefetch registers on resume I think this affect many PCI devices that facilitate MSI-X Kai-Heng