Am 7. August 2020 13:11:25 MESZ schrieb Bin Meng <bmeng...@gmail.com>: >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? >
See http://deb.debian.org/debian/pool/main/q/qemu/qemu_5.0-13.debian.tar.xz directory debian/patches. >Regards, >Bin
