On Tue, Feb 16, 2021 at 6:30 AM Thomas Kreitler <kreitler@xxxxxxxxxxxxx> wrote: > > This sounds pretty much the same what we have experienced whilst > checking raid6 assemblies. > > The issue is actively tackled in the moment, c.f the "[PATCH V2] md: > don't unregister sync_thread with reconfig_mutex held" thread. > > And more details in the link: > https://lore.kernel.org/linux-raid/5ed54ffc-ce82-bf66-4eff-390cb23bc1ac@xxxxxxxxxxxxx/T/#t Thank you for the pointer Thomas - I was reading through that thread last night (I suppose I should have realized it was similar prior to my e-mail :)), and the progress is quite encouraging.