On 25.05.19 20:13, Sven Schnelle wrote: > On Sat, May 25, 2019 at 01:50:01PM -0400, John David Anglin wrote: >> On 2019-05-25 1:19 p.m., Carlo Pisani wrote: >>>> Carlo, can you run "cat /proc/cpuinfo" and paste the output here? >>> # cat /proc/cpuinfo >>> cpu : PA8600 (PCX-W+) >>> capabilities : os32 os64 nva_supported (0x03) >> I think the PDC is buggy on c3600. The NP (iopdir_fdc) bit is set on my c3750: >> cpu : PA8700 (PCX-W2) >> cpu MHz : 875.000000 >> capabilities : os32 os64 iopdir_fdc nva_supported (0x07) >> model : 9000/785/C3750 > > It's also set on my C3750, but not on my J5000 (PDC FW 5.0): > > root@j5000:~# cat /proc/cpuinfo > cpu : PA8500 (PCX-W) > capabilities : os32 os64 nva_supported (0x03) > model : 9000/785/J5000 > model name : Forte W 2-way Carlo & Sven, do you run 32- or 64-bit kernel? Maybe the 32-bit PDC does not return the NP (iopdir_fdc) while the 64-bit PDC does? Otherwise we maybe should only trust this bit, if it's a "PA8700 (PCX-W2)" or higher CPU ? Helge
