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Diffstat (limited to 'gitlab/issues/target_i386/host_missing/accel_TCG/2578.toml')
| -rw-r--r-- | gitlab/issues/target_i386/host_missing/accel_TCG/2578.toml | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/gitlab/issues/target_i386/host_missing/accel_TCG/2578.toml b/gitlab/issues/target_i386/host_missing/accel_TCG/2578.toml deleted file mode 100644 index 220963fc5..000000000 --- a/gitlab/issues/target_i386/host_missing/accel_TCG/2578.toml +++ /dev/null @@ -1,22 +0,0 @@ -id = 2578 -title = "x86: exception during hardware interrupt pushes wrong error code" -state = "opened" -created_at = "2024-09-19T09:09:25.955Z" -closed_at = "n/a" -labels = ["accel: TCG", "target: i386", "workflow::Patch available"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2578" -host-os = "- OS/kernel version:" -host-arch = "- QEMU flavor: qemu-system-x86_64 qemu-system-i386" -qemu-version = "all" -guest-os = "- OS/kernel version:" -guest-arch = "x86" -description = """Exceptions during IDT traversal push the wrong error code when triggered by a hardware interrupt. -The EXT bit in TCG mode is never set. However, it works fine in KVM mode as hardware is generating the number.""" -reproduce = """1. load a short IDT e.g. with 64 entries -2. trigger a self IPI through the LAPIC with a vector 100 -3. the pushed error code is 802 instead of 803.""" -additional = """It can be fixed in the lines `raise_exception_err(env, EXCP0D_GPF, intno * 8 + 2);` in `seg_helper.c` -which must include the `is_hw` field when calculating the error number. Something like `intno * 8 + 2 + (is_hw != 0)` -works here. - -Nevertheless, all the other exception cases in the `do_interrupt_*` functions have to set the same bit as well.""" |