Emmanuel Dreyfus <[email protected]> wrote: >On Tue, Aug 27, 2024 at 01:22:10PM +0100, Robert Swindells wrote: >> Not sure I would say that it is working fine on netbsd-9, the dmesg >> suggests to me that both your drives are falling back to PIO mode 4. > > PIO mode 4 is not high performance, but this is better than hanging > at boot on lost interrupts (NetBSD 10.0 with piixide), or to crumble > under the load because of interrupts storms (NetBSD 10.0 with pciide).
I was partly thinking that you could trace through the -9 driver to see why it is falling back to PIO mode 4 then compare that with the -10 driver.
