On Thu, 20 Apr 2023, Michael Schmitz wrote: > Am 20.04.2023 um 19:47 schrieb Finn Thain: > >>> So all the stack pages would have been faulted in well before the > >>> failure shows up. It appears to be the signal that's the problem and > >>> not the page fault. That's not surprising considering the PC in the > >>> signal frame in the dash crash was a MOVEM saving registers onto the > >>> stack. > >> > >> Well. without locking the faulted in pages in memory we can't be sure > >> they were not swapped back out. Unless I misunderstand what's > >> involved in that ... > >> > > > > There was no swap enabled. > > > > 50000 frames * 36 bytes per frame == 1.8 MB > > OK - swap is enabled in my case. That may explain the different fault > rates. > > But in any case, it looks like we can eliminate the bus error code. Same > fault on both 030 and 040 with very different bus error handlers is > highly unlikely. >
There's no failure on '040. QEMU and Motorola '040 gave the same result.
