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).
Best regards Heinrich
