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-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-meta-riscv in Ubuntu. https://bugs.launchpad.net/bugs/2077731 Title: [SRU] riscv64 EDK 2 crashes in KVM based emulation Status in edk2 package in Ubuntu: Fix Released Status in linux-meta-riscv package in Ubuntu: Invalid Status in qemu package in Ubuntu: New Status in edk2 source package in Noble: Fix Released Status in linux-meta-riscv source package in Noble: Invalid Status in qemu source package in Noble: New Status in edk2 source package in Oracular: Fix Released Status in linux-meta-riscv source package in Oracular: Invalid Status in qemu source package in Oracular: New Bug description: [ Impact ] When running EDK2 as payload for QEMU using KVM a crash occurs in the VM: $ qemu-system-riscv64 -M virt,acpi=off -accel kvm -m 4096 -nographic -drive if=pflash,format=raw,unit=0,file=RISCV_VIRT_CODE.fd,readonly=on -drive if=pflash,format=raw,unit=1,file=RISCV_VIRT_VARS.fd !!!! RISCV64 Exception Type - 0000000000000002(EXCEPT_RISCV_ILLEGAL_INST) !!!! t0 = 0x00000000083FFFB28 t1 = 0x00000000083238BC8 t2 = 0x00000000000000000 t3 = 0x00000000000000000 t4 = 0x00000000000000000 t5 = 0x00000000000000000 t6 = 0x00000000000000000 s0 = 0x00000000083FFFBC0 s1 = 0x00000000000000000 s2 = 0x00000000000000000 s3 = 0x00000000000000000 s4 = 0x00000000000000000 s5 = 0x00000000000000000 s6 = 0x00000000000000000 s7 = 0x00000000000000000 s8 = 0x00000000000000000 s9 = 0x00000000000000000 s10 = 0x00000000000000000 s11 = 0x00000000000000000 a0 = 0x0000000017E1DDD10 a1 = 0x00000000000000021 a2 = 0x0000000017E1B1A80 a3 = 0x00000000000000032 a4 = 0x00000000000000021 a5 = 0x00000000000000021 a6 = 0x000000000832391E0 a7 = 0x00000000083FFFA64 zero = 0x00000000000000000 ra = 0x0000000017E0AFA08 sp = 0x00000000000000004 gp = 0x00000000000000000 tp = 0x00000000000000000 sepc = 0x0000000017E0B0824 sstatus = 0x00000000200000120 stval = 0x000000000D20787D3 QEMU: Terminated [ Test Plan ] To reproduce the issue: Run RISC-V virtual machine as described in https://wiki.ubuntu.com/RISC-V/QEMU. sudo apt-get update sudo apt-get install qemu-efi-riscv64 qemu-system-misc cp /usr/share/qemu-efi-riscv64/RISCV_VIRT_*.fd . qemu-system-riscv64 \ -M virt,acpi=off -accel tcg -m 1024 \ -nographic \ -drive if=pflash,format=raw,unit=0,file=RISCV_VIRT_CODE.fd,readonly=on \ -drive if=pflash,format=raw,unit=1,file=RISCV_VIRT_VARS.fd # In the EFI shell reset -s sudo modprobe kvm sudo qemu-system-riscv64 \ -M virt,acpi=off -accel kvm -m 1024 \ -nographic \ -drive if=pflash,format=raw,unit=0,file=RISCV_VIRT_CODE.fd,readonly=on \ -drive if=pflash,format=raw,unit=1,file=RISCV_VIRT_VARS.fd # A crash occurs # RISCV64 Exception Type - 0000000000000002(EXCEPT_RISCV_ILLEGAL_INST) # Terminate emulation with <CTRL+A><x> [ Where problems could occur ] The change that has been merged into upstream EDK II with merge request https://github.com/tianocore/edk2/pull/6210 only influences the state of the floating point unit. If the patch were incorrect, it could result in a failure to boot. [ Other Info ] n/a To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2077731/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
