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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-2/output/hypervisor/2886 | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/deepseek-2/output/hypervisor/2886')
| -rw-r--r-- | results/classifier/deepseek-2/output/hypervisor/2886 | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/results/classifier/deepseek-2/output/hypervisor/2886 b/results/classifier/deepseek-2/output/hypervisor/2886 deleted file mode 100644 index 23a8c39d..00000000 --- a/results/classifier/deepseek-2/output/hypervisor/2886 +++ /dev/null @@ -1,16 +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. |
