On Tue, Jan 23, 2024 at 12:16 PM Jeff Layton <jlayton@xxxxxxxxxx> wrote: > > On Tue, 2024-01-23 at 07:39 +0100, Linux regression tracking (Thorsten > Leemhuis) wrote: > > [a quick follow up with an important correction from the reporter for > > those I added to the list of recipients] > > > > On 23.01.24 06:37, Linux regression tracking (Thorsten Leemhuis) wrote: > > > On 23.01.24 05:40, Paul Thompson wrote: > > > > > > > > With my longstanding configuration, kernels upto 6.6.9 work fine. > > > > Kernels 6.6.1[0123] and 6.7.[01] all lock up in early (open-rc) init, > > > > before even the virtual filesystems are mounted. > > > > > > > > The last thing visible on the console is the nfsclient service > > > > being started and: > > > > > > > > Call to flock failed: Funtion not implemented. (twice) > > > > > > > > Then the machine is unresponsive, numlock doesnt toggle the keyboard led, > > > > and the alt-sysrq chords appear to do nothing. > > > > > > > > The problem is solved by changing my 6.6.9 config option: > > > > > > > > # CONFIG_FILE_LOCKING is not set > > > > to > > > > CONFIG_FILE_LOCKING=y > > > > > > > > (This option is under File Systems > Enable POSIX file locking API) > > > > The reporter replied out-of-thread: > > https://lore.kernel.org/all/Za9TRtSjubbX0bVu@xxxxxxxxxxxxxxx/ > > > > """ > > Now I feel stupid or like Im losing it, but I went back and grepped for > > the CONFIG_FILE_LOCKING in my old Configs, and it was turned on in all > > but 6.6.9. So, somehow I turned that off *after I built 6.6.9? Argh. I > > just built 6.6.4 with it unset and that locked up too. > > Sorry if this is just noise, though one would have hoped the failure > > was less severe... > > """ > > > > Ok, so not necessarily a regression? It might be helpful to know the > earliest kernel you can boot with CONFIG_FILE_LOCKING turned off. > > > > > I'll give a try reproducing this later though. Quote from Paul: " Now I feel stupid or like Im losing it, but I went back and grepped for the CONFIG_FILE_LOCKING in my old Configs, and it was turned on in all but 6.6.9. So, somehow I turned that off *after I built 6.6.9? Argh. I just built 6.6.4 with it unset and that locked up too. Sorry if this is just noise, though one would have hoped the failure was less severe... " -Sedat- https://lore.kernel.org/all/Za9TRtSjubbX0bVu@xxxxxxxxxxxxxxx/#t > -- > Jeff Layton <jlayton@xxxxxxxxxx> >