On Wed, 14 Jul 2021, Holger Kiehl wrote:

Hello,

On Mon, 12 Jul 2021, Greg Kroah-Hartman wrote:

quoted

This is the start of the stable review cycle for the 5.13.2 release.
There are 800 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Wed, 14 Jul 2021 06:02:46 +0000.
Anything received after that time might be too late.

With this my system no longer boots:

   [  OK  ] Reached target Swap.
   [   75.213852] NMI watchdog: Watchdog detected hard LOCKUP on cpu 0
   [   75.213926] NMI watchdog: Watchdog detected hard LOCKUP on cpu 2
   [   75.213962] NMI watchdog: Watchdog detected hard LOCKUP on cpu 4
   [FAILED] Failed to start Wait for udev To Complete Device Initialization.
   See 'systemctl status systemd-udev-settle.service' for details.
            Starting Activation of DM RAID sets...
   [      ] (1 of 2) A start job is running for Activation of DM RAID sets (..min ..s / no limit)
   [      ] (2 of 2) A start job is running for Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling (..min ..s / no limit)

System is a Fedora 34 with all updates applied. Two other similar
systems with AMD CPUs (Ryzen 4750G + 3400G) this does not happen
and boots fine. The system where it does not boot has an Intel
Xeon E3-1285L v4 CPU. All of them use a dm_crypt root filesystem.

Any idea which patch I should drop to see if it boots again. I already
dropped

   [PATCH 5.13 743/800] ASoC: Intel: sof_sdw: add quirk support for Brya and BT-offload

and I just see that this one should also be dropped:

   [PATCH 5.13 768/800] hugetlb: address ref count racing in prep_compound_gigantic_page

Will still need to test this.

Dropping that did not fix it.

Holger