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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_missing/host_arm/accel_HVF | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues/target_missing/host_arm/accel_HVF')
| -rw-r--r-- | gitlab/issues/target_missing/host_arm/accel_HVF/2895.toml | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/gitlab/issues/target_missing/host_arm/accel_HVF/2895.toml b/gitlab/issues/target_missing/host_arm/accel_HVF/2895.toml deleted file mode 100644 index 55d11eba9..000000000 --- a/gitlab/issues/target_missing/host_arm/accel_HVF/2895.toml +++ /dev/null @@ -1,38 +0,0 @@ -id = 2895 -title = "qemu-system-aarch64: Error: r = HV_BAD_ARGUMENT (0xfae94003, at ../target/arm/hvf/hvf.c:2259)" -state = "closed" -created_at = "2025-03-31T12:47:56.375Z" -closed_at = "2025-05-07T20:09:29.328Z" -labels = ["accel: HVF", "host: arm"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2895" -host-os = "macOS 15.3.2 (24D81)" -host-arch = "arm64" -qemu-version = "0f15892acaf3f50ecc20c6dad4b3ebdd701aa93e" -guest-os = "Linux" -guest-arch = "arm64" -description = """When I launch a Linux guest in QEMU with `-accel hvf` + `-gdb "tcp::1234"`, and I try to debug the kernel with `lldb`, QEMU crashes with the following report: - -``` -qemu-system-aarch64: Error: r = HV_BAD_ARGUMENT (0xfae94003, at ../target/arm/hvf/hvf.c:2259) -```""" -reproduce = """1. Run QEMU with `-accel hvf` + `-gdb "tcp::1234"` and a custom kernel (`-kernel Image`) -2. Try to attach using `lldb vmlinux` + `(lldb) gdb-remote 1234`""" -additional = """Debugging QEMU I see the crash is due to the `cpu->accel->fd` file descriptor being `0`: - -``` -warning: qemu-system-aarch64 was compiled with optimization - stepping may behave oddly; variables may not be available. -frame #4: 0x00000001003dd24c qemu-system-aarch64`hvf_arch_update_guest_debug [inlined] hvf_put_guest_debug_registers(cpu=0x0000000158118000) at hvf.c:2259:9 [opt] - 2256 for (i = 0; i < max_hw_bps; i++) { - 2257 r = hv_vcpu_set_sys_reg(cpu->accel->fd, dbgbcr_regs[i], - 2258 env->cp15.dbgbcr[i]); --> 2259 assert_hvf_ok(r); - 2260 r = hv_vcpu_set_sys_reg(cpu->accel->fd, dbgbvr_regs[i], - 2261 env->cp15.dbgbvr[i]); - 2262 assert_hvf_ok(r); -(lldb) print cpu->accel->fd -(hvf_vcpuid) 0 -(lldb) print dbgbcr_regs[i] -(const uint16_t) 32773 -(lldb) print env->cp15.dbgbcr[i] -(uint64_t) 480 -```""" |