On Mon, Jul 11, 2022 at 10:28 AM Jason A. Donenfeld <ja...@zx2c4.com> wrote: > > On 7/11/22, Alistair Francis <alistai...@gmail.com> wrote: > > On Fri, Jul 8, 2022 at 7:56 PM Jason A. Donenfeld <ja...@zx2c4.com> wrote: > >> > >> Hi Alistair, > >> > >> On 7/8/22, Alistair Francis <alistai...@gmail.com> wrote: > >> > >> >> > but I think that's just the way things go unfortunately. > >> > > >> > Hmm... That's a pain. So there is a bug in older kernels where they > >> > won't boot if we specify this? > >> > > >> > Can you point to the fixes? > >> > >> Actually, in trying to reproduce this, I don't actually think this is > >> affected by those old random.c bugs. > >> > >> > >> >> As for your 5.8 issue, I've been trying to reproduce that to > >> >> understand > >> >> more about it, but I'm unable to. I've been trying with > >> >> nommu_virt_defconfig using my patch ontop of qemu master. Maybe it's > >> >> possible in testing this out you were testing the wrong branch? > >> >> Anyway, > >> >> it'd be nice to get this queued up... > >> > > >> > Hmm... you can't reproduce it? > >> > >> No, I can't, and I'm now no longer convinced that there *is* a bug. > >> Can you try to repro again and send me detailed reproduction steps? > > > > I just checked again and I can confirm it is this patch that causes > > the regression. > > > > This is the command line: > > > > qemu-system-riscv64 \ > > -machine virt -m 64M \ > > -cpu rv64,mmu=false \ > > -serial mon:stdio -serial null -nographic \ > > -append "root=/dev/vda rw highres=off console=ttyS0 mem=1G ip=dhcp > > earlycon=sbi" \ > > -device virtio-net-device,netdev=net0,mac=52:54:00:12:34:02 -netdev > > user,id=net0 \ > > -object rng-random,filename=/dev/urandom,id=rng0 -device > > virtio-rng-device,rng=rng0 \ > > -smp 1 -d guest_errors \ > > -kernel ./images/qemuriscv64/nommu-Image \ > > -drive > > id=disk0,file=./images/qemuriscv64/nommu-rootfs.ext2,if=none,format=raw \ > > -device virtio-blk-device,drive=disk0 -bios none > > > > You can access the images from: > > https://nextcloud.alistair23.me/index.php/s/a2zrtbT7DjdTx9t > > > > Thanks. Can you send the kernel . config too?
Unfortunately I don't have it, it should just be the 5.8 no MMU defconfig though Alistair > > Jason