Hi John, On 2023-02-21, John Ogness <john.ogness@xxxxxxxxxxxxx> wrote: > The console kthreads uncovered several races in console drivers. > All problems were in situation when a console was being properly > initialized and registered while an early console, using the same > port, was being used. > > These problems are pretty hard to debug because they often result > into silent boot crashes. It would be nice to fix them but it > looks like a can of worms. > > Prevent these problems by delaying the use of console kthreads > after all early consoles are gone. It might later be optimized. > But let's close this can of worms with a big hammer for now > so that they do not break first impression on the kthreads > that solve other real problems. Thanks a lot for the patch. I needed to change a line in the patch to make it compile. Renamed the call to printk_start_kthread to start_printk_kthread. However, unfortunately this patch does not fix the problem for me. I still see the garbage characters when booting. Andre
