On Fri, 04 Feb 2022 15:34:33 +0100 Johannes Berg wrote: > > > > The computer (amd64) fails to boot. The init was stuck at the > > synchronization of the time through the network. This began between > > 5.16.2 (good) and 5.16.3 (bad.) This continues on 5.16.4 and 5.16.5. > > Git bisect revealed the following. In this case the nonfree firmwre > > is not present on the system. Blacklisting the iwflwifi module > > works as a workaround for now. > > > > 6b5ad4bd0d78fef6bbe0ecdf96e09237c9c52cc1 is the first bad commit > > commit 6b5ad4bd0d78fef6bbe0ecdf96e09237c9c52cc1 > > > > I checked out this commit and ran a test with no firmware present, but > couldn't reproduce any crash. I can confirm it still happens on 5.17-rc2. For the environment, Debian 11 with only the Main repo enabled. lspci says: 00:14.3 Network controller: Intel Corporation Comet Lake PCH-LP CNVi WiFi There is also a USB WiFi attached (AR9271) > Could you take a picture when it crashes? Perhaps boot without 'quiet' > on the command line, or boot into recovery mode or such where you > actually see the output? They are attached: * Raise network interfaces takes several seconds; * Network Time Synchronization stuck.