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[Bug 1921138] [NEW] tcg.c:3329: tcg fatal error


From: Luis
Subject: [Bug 1921138] [NEW] tcg.c:3329: tcg fatal error
Date: Wed, 24 Mar 2021 15:26:57 -0000

Public bug reported:

I am currently building my own kernel with bootloader and qemu crashed
after I have set an IDT in protected mode and then create a invalid
opcode exception with the opcode 0xff.

My code is here: https://github.com/Luis-
Hebendanz/svm_kernel/blob/qemu_crash/svm_kernel/external/bootloader/src/main.rs#L80

Build instructions are here: https://github.com/Luis-
Hebendanz/svm_kernel/tree/qemu_crash

A precompiled binary is here: https://cloud.gchq.icu/s/LcjoDWRW2CbxJ5i

I executed the following command: qemu-system-x86_64 -smp cores=4 -cdrom
target/x86_64-os/debug/bootimage-svm_kernel.iso -serial stdio -display
none -m 4G

I am running QEMU emulator version 5.1.0

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1921138

Title:
  tcg.c:3329: tcg fatal error

Status in QEMU:
  New

Bug description:
  I am currently building my own kernel with bootloader and qemu crashed
  after I have set an IDT in protected mode and then create a invalid
  opcode exception with the opcode 0xff.

  My code is here: https://github.com/Luis-
  
Hebendanz/svm_kernel/blob/qemu_crash/svm_kernel/external/bootloader/src/main.rs#L80

  Build instructions are here: https://github.com/Luis-
  Hebendanz/svm_kernel/tree/qemu_crash

  A precompiled binary is here: https://cloud.gchq.icu/s/LcjoDWRW2CbxJ5i

  I executed the following command: qemu-system-x86_64 -smp cores=4
  -cdrom target/x86_64-os/debug/bootimage-svm_kernel.iso -serial stdio
  -display none -m 4G

  I am running QEMU emulator version 5.1.0

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