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 > processor : 0 > cpu family : PA-RISC 2.0 > cpu : PA8600 (PCX-W+) > cpu MHz : 552.000000 > physical id : 0 > siblings : 1 > core id : 0 > capabilities : os32 os64 nva_supported (0x03) > model : 9000/785/C3600 > model name : Allegro W+ > hversion : 0x00005cf0 > sversion : 0x00000481 > I-cache : 512 KB > D-cache : 1024 KB (WB, direct mapped) > ITLB entries : 160 > DTLB entries : 160 - shared with ITLB > bogomips : 1093.63 > software id : 2007455457 > PCI failmode : soft I think the PDC is buggy on c3600. The NP (iopdir_fdc) bit is set on my c3750: dave@hiauly6:~/linux/D$ cat /proc/cpuinfo processor : 0 cpu family : PA-RISC 2.0 cpu : PA8700 (PCX-W2) cpu MHz : 875.000000 capabilities : os32 os64 iopdir_fdc nva_supported (0x07) model : 9000/785/C3750 model name : Allegro W2 hversion : 0x00005dc0 sversion : 0x00000481 I-cache : 768 KB D-cache : 1536 KB (WB, direct mapped) ITLB entries : 240 DTLB entries : 240 - shared with ITLB bogomips : 1737.72 software id : 2011455108 Dave -- John David Anglin dave.anglin@xxxxxxxx