Hi Stefan, Jakub Kicinski <kuba@xxxxxxxxxx> writes: > On Wed, 24 Nov 2021 18:20:40 +0100 Stefan Dietrich wrote: >> Hi all, >> >> six exciting hours and a lot of learning later, here it is. >> Symptomatically, the critical commit appears for me between 5.14.21- >> 051421-generic and 5.15.0-051500rc2-generic - I did not find an amd64 >> build for rc1. >> >> Please see the git-bisect output below and let me know how I may >> further assist in debugging! > > Well, let's CC those involved, shall we? :) > > Thanks for working thru the bisection! > >> a90ec84837325df4b9a6798c2cc0df202b5680bd is the first bad commit >> commit a90ec84837325df4b9a6798c2cc0df202b5680bd >> Author: Vinicius Costa Gomes <vinicius.gomes@xxxxxxxxx> >> Date: Mon Jul 26 20:36:57 2021 -0700 >> >> igc: Add support for PTP getcrosststamp() Oh! That's interesting. Can you try disabling CONFIG_PCIE_PTM in your kernel config? If it works, then it's a point in favor that this commit is indeed the problematic one. I am still trying to think of what could be causing the lockup you are seeing. Cheers, -- Vinicius
