diff options
Diffstat (limited to 'results/classifier/gemma3:12b/kvm/2578')
| -rw-r--r-- | results/classifier/gemma3:12b/kvm/2578 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/kvm/2578 b/results/classifier/gemma3:12b/kvm/2578 new file mode 100644 index 000000000..5b08d25f6 --- /dev/null +++ b/results/classifier/gemma3:12b/kvm/2578 @@ -0,0 +1,15 @@ + +x86: exception during hardware interrupt pushes wrong error code +Description of problem: +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. +Steps to 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 information: +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. |