Hello, Marcus. > > Apologies. > > I want you to follow the advice I gave you in my earlier email, the one > with Message-ID c054b588-b029-4380-9ec5-4ae50ee37d08@paulmck-laptop. > I would give you a URL, but you seem to have dropped the public email > lists. I have added them back. > > > Sorry, I've overlooked that previous mail. I've now tried CONFIG_RCU_LAZY=n and > also reduced the amount of extra-patches and extra-flags to a bare minimum. It > didn't help though. The slow boot is still there and shutdown/reboot also > didn't seem to work again (while the trace went away by overwriting /kernel/rcu > /tree.c with the file from 6.4.14). I am also not subscribed to the LKML, so my > E-Mails won't reach the list anyway. Unfortunately Zhang Qiang doesn't seem to > work for Intel any longer as my previous mail did not reach him either. I hope > the reported issues will be fixed eventually, I'll stay away from 6.5 for some > time. > Could you please clarify some items: 1. <snip> if (!WARN_ON_ONCE(!poll_state_synchronize_rcu_full(&bnode->gp_snap))) { debug_rcu_bhead_unqueue(bnode); rcu_lock_acquire(&rcu_callback_map); <snip> Do you see this warning? I mean the one that is in the if()? 2. Please provide a full .config file. 3. Could you please also to be more specific how to reproduce a boot delay and the warning you see? 4. Please provide your full dmesg. Thank you in advance! -- Uladzislau Rezki