On Fri, May 22, 2020 at 02:29:50AM +0100, Al Viro wrote: > On Thu, May 21, 2020 at 06:11:08PM -0700, Guenter Roeck wrote: > > > Mainline, with: > > > > qemu-system-sparc -M SS-4 -kernel arch/sparc/boot/zImage -no-reboot \ > > -snapshot -drive file=rootfs.ext2,format=raw,if=scsi \ > > -append "panic=-1 slub_debug=FZPUA root=/dev/sda console=ttyS0" > > -nographic -monitor none > > > > The machine doesn't really matter, though. > > It does, unfortunately - try that with SS-10 and watch what happens ;-/ Ugh... It's actually something in -m handling: -m 256 passes, -m 512 leads to that panic.