diff options
Diffstat (limited to 'gitlab/issues_text/target_arm/host_missing/accel_missing/2886')
| -rw-r--r-- | gitlab/issues_text/target_arm/host_missing/accel_missing/2886 | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/gitlab/issues_text/target_arm/host_missing/accel_missing/2886 b/gitlab/issues_text/target_arm/host_missing/accel_missing/2886 deleted file mode 100644 index 3c58f990a..000000000 --- a/gitlab/issues_text/target_arm/host_missing/accel_missing/2886 +++ /dev/null @@ -1,15 +0,0 @@ -ACPI MADT advertises GITS even when disabled -Description of problem: -As per the command line given above, QEMU shall emulate a GICv4 without GIC Interrupt Translation Service (GITS). - -The following happens: -- ACPI **incorrectly** lists a GITS (type 0xf) structure in the MADT with GITS MMIO Base = 0x8080000 -- The OS reads that structure and interprets it to mean a GITS is present at the given MMIO address -- Subsequent access to GITS MMIO causes a data abort (0x25) because QEMU doesn't emulate a GITS (as requested) - -The bug is thus that QEMU wrongly advertises GITS as present (via the MADT) when it is in fact absent. -Steps to reproduce: -1. Disable GITS emulation by passing `its=off` on the QEMU command line -2. Check if a GITS structure is listed in the ACPI MADT (must be present in ACPI MADT only if GITS is enabled and absent otherwise) -Additional information: -When booting with `its=on` (default), everything works as expected. |