diff options
Diffstat (limited to 'gitlab/issues/target_m68k/host_missing/accel_missing/2794.toml')
| -rw-r--r-- | gitlab/issues/target_m68k/host_missing/accel_missing/2794.toml | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gitlab/issues/target_m68k/host_missing/accel_missing/2794.toml b/gitlab/issues/target_m68k/host_missing/accel_missing/2794.toml new file mode 100644 index 00000000..54fad5e4 --- /dev/null +++ b/gitlab/issues/target_m68k/host_missing/accel_missing/2794.toml @@ -0,0 +1,57 @@ +id = 2794 +title = "qemu-system-m68k virt machine doesn't boot Linux kernels using 68020, 68030 and 68060 CPUs" +state = "opened" +created_at = "2025-01-27T14:02:52.503Z" +closed_at = "n/a" +labels = ["target: m68k"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/2794" +host-os = "FreeBSD" +host-arch = "amd64" +qemu-version = "QEMU emulator version 9.2.0" +guest-os = "Linux" +guest-arch = "m68k" +description = """QEMU doesn't seem to be able to start Linux kernels using a CPU other than a 68040 (which does work fine) + +To rule out host issues, the issue is reproductible on Debian Unstable amd64 (with version QEMU emulator version 9.2.0)(Debian 1:9.2.0+ds-5)) + +To rule out cross-compilation issues, the kernel has been rebuild inside a virt machine (using a 68040 CPU), running Debian Unstable + +Each CPU model below gets stuck early before kernel boot during the ABCGHIJK thing. The Kernel doesn't seem to boot and QEMU process eat 100% of a CPU physical core + +**68020** +``` +qemu-system-m68k -M virt -cpu m68060 -m 1G -nographic -kernel /home/demik/tmp/vmlinux +ABCGH +``` + +**68030** +``` +qemu-system-m68k -M virt -cpu m68060 -m 1G -nographic -kernel /home/demik/tmp/vmlinux +ABC +``` + +**68060** +``` +qemu-system-m68k -M virt -cpu m68060 -m 1G -nographic -kernel /home/demik/tmp/vmlinux +ABC +```""" +reproduce = """1. build a kernel with 68020/030/060 support (using virt_defconfig as base) +2. start QEMU with the command line above""" +additional = """68020 is understandable as it may need some sort of 68851 emulation. + +Relevant Kernel config Processor configuration: +``` +# +# Processor Type +# +CONFIG_M68KCLASSIC=y +# CONFIG_COLDFIRE is not set +CONFIG_M68020=y +CONFIG_M68030=y +CONFIG_M68040=y +CONFIG_M68060=y +``` + +This may be related to the following issues (but I don't have the skillset to confirm that) +- https://gitlab.com/qemu-project/qemu/-/issues/2091 +- https://gitlab.com/qemu-project/qemu/-/issues/2500""" |