On Fri, Aug 7, 2020 at 6:53 PM Heinrich Schuchardt <xypron.g...@gmx.de> wrote: > > On 06.08.20 16:40, Bin Meng wrote: > > On Thu, Aug 6, 2020 at 10:28 PM Heinrich Schuchardt <xypron.g...@gmx.de> > > wrote: > >> > >> On 06.08.20 13:18, Rick Chen wrote: > >>> Hi Heinrich > >>> > >>>> From: Heinrich Schuchardt [mailto:xypron.g...@gmx.de] > >>>> Sent: Thursday, August 06, 2020 6:45 PM > >>>> To: Bin Meng; Rick Jian-Zhi Chen(陳建志) > >>>> Cc: U-Boot Mailing List > >>>> Subject: RISC-V: crash in riscv_get_time() > >>>> > >>>> Hello Rick, hello Bin, > >>>> > >>>> when I run qemu-riscv64_defconfig using > >>>> > >>>> qemu-system-riscv64 -machine virt -m 1G -nographic \ > >>>> -bios u-boot \ > >>>> -device virtio-net-device,netdev=net0 \ > >>>> -netdev user,id=net0,tftp=tftp > >>>> > >>>> a crash occurs in riscv_get_time() when executing readq(). > >>>> > >>>> $ qemu-system-riscv64 --version > >>>> QEMU emulator version 5.0.0 (Debian 1:5.0-13) > >>>> > >>>> Looking at doc/board/emulation/qemu-riscv.rst this should work. > >>>> > >>>> Is there something missing in the documentation? > >>>> > >>> > >>> You can try this > >>> ./qemu-system-riscv64 -nographic -machine virt -bios u-boot -device > >>> virtio-net-device,netdev=net0 -netdev user,id=net0,tftp=tftp > >>> > >>> It can work as below: > >>> > >>> U-Boot 2020.10-rc1-00299-g89150a9 (Aug 06 2020 - 19:14:01 +0800) > >>> > >>> CPU: rv64imafdcsu > >>> Model: riscv-virtio,qemu > >>> DRAM: 128 MiB > >>> In: uart@10000000 > >>> Out: uart@10000000 > >>> Err: uart@10000000 > >>> Net: eth0: virtio-net#0 > >>> Hit any key to stop autoboot: 0 > >>> => help > >> > >> But on Debian Bullseye it fails: > >> > >> $ git reset --hard origin/master > >> $ make mrproper > >> $ make qemu-riscv64_defconfig > >> $ export CROSS_COMPILE > >> $ export CROSS_COMPILE=riscv64-linux-gnu- > >> $ qemu-system-riscv64 -nographic -machine virt \ > >>> -bios u-boot \ > >>> -device virtio-net-device,netdev=net0 \ > >>> -netdev user,id=net0,tftp=tftp > >> > > > > Just rebuilt a QEMU 5.0.0 on Ubuntu 16.04 and cannot reproduce. > > Something is wrong with Debian? > > > > Regards, > > Bin > > > I can confirm that with an unpatched QEMU v5.0.0 no problem occurs. > Same with QEMU 5.0.93 (v5.1.0-rc3-dirty).
Unpatched QEMU? Do you mean Debian shipped a patched QEMU? If so, what is patched? Regards, Bin
