On Wed, 8 May 2019, Halil Pasic wrote: > On Wed, 8 May 2019 15:18:10 +0200 (CEST) > Sebastian Ott <sebott@xxxxxxxxxxxxx> wrote: > > > @@ -1063,6 +1163,7 @@ static int __init css_bus_init(void) > > > unregister_reboot_notifier(&css_reboot_notifier); > > > goto out_unregister; > > > } > > > + cio_dma_pool_init(); > > > > This is too late for early devices (ccw console!). > > You have already raised concern about this last time (thanks). I think, > I've addressed this issue: tje cio_dma_pool is only used by the airq > stuff. I don't think the ccw console needs it. Please have an other look > at patch #6, and explain your concern in more detail if it persists. Oh, you don't use the global pool for that - yes that should work.