18.06.2024 15:50, Song Gao wrote:
On Loongnix 20.5 systems, QEMU configure with option '--enable-debug' or '--enable-debug-tcg ', booting the Loongnix 20.5 VM in tcg mode will get an assertion error."... [ 31.484992] [drm] Initialized virtio_gpu 0.0.1 0 for virtio1 on minor 0 qemu-system-loongarch64: /home1/gaosong/code/github/clean/qemu/tcg/loongarch64/tcg-target.c.inc:394：tcg_out_movi: 假设 ‘offset_hi == sextreg(offset_hi, 0, 20)’ 失败。 ./start.sh: 行 14: 2433006 已放弃 (核心已转储)./build/qemu-system-loongarch64 --accel tcg -m 8G -cpu la464 -machine virt -smp 8 -serial stdio -bios ./QEMU_EFI.fd -monitor telnet:localhost:4498,server,nowait -device virtio-gpu-pci -net nic, -net user -device nec-usb-xhci,id=xhci,addr=0x1b -device usb-tablet,id=tablet,bus=xhci.0,port=1 -device usb-kbd,id=keyboard,bus=xhci.0,port=2 -device virtio-blk-pci,drive=test -drive if=none,id=test,file=./Loongnix-20.5.cartoon.mini.loongarch64.cn.qcow2 " The values of offset_hi and sextreg(offset_hi, 0, 20) are: "[ 29.975240] virtio_gpu virtio1: fb0: virtiodrmfb frame buffer device offset_hi is 80000 sextreg(offset_hi, 0, 20) is fffffffffff80000 offset_hi is 80000 sextreg(offset_hi, 0, 20) is fffffffffff80000 offset_hi is 80000 sextreg(offset_hi, 0, 20) is fffffffffff80000 ..." When pcalau12i + ori is not satisfied, we should use other methods instead, instead of generating an assertion error.
Hi! Has this change been forgotten, or is it not needed anymore? Thanks, /mjt -- GPG Key transition (from rsa2048 to rsa4096) since 2024-04-24. New key: rsa4096/61AD3D98ECDF2C8E 9D8B E14E 3F2A 9DD7 9199 28F1 61AD 3D98 ECDF 2C8E Old key: rsa2048/457CE0A0804465C5 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5 Transition statement: http://www.corpit.ru/mjt/gpg-transition-2024.txt
