diff options
Diffstat (limited to 'results/classifier/mode-deepseek-r1:32b/reasoning/system/876')
| -rw-r--r-- | results/classifier/mode-deepseek-r1:32b/reasoning/system/876 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/mode-deepseek-r1:32b/reasoning/system/876 b/results/classifier/mode-deepseek-r1:32b/reasoning/system/876 new file mode 100644 index 00000000..fd07c9a1 --- /dev/null +++ b/results/classifier/mode-deepseek-r1:32b/reasoning/system/876 @@ -0,0 +1,19 @@ +<think> +Alright, let's try to figure out whether this bug is related to user-mode or system-mode in QEMU. + +So the issue is that when running a test called `test/pass-slice.py` using QEMU on an s390x system with qemu-system-arm version 6.2 and above, it fails. The error message is "fail: [::-5] (model 'o' impl '')". From what I understand, this test works fine when run natively or in Python3, but fails when emulated for ARM using QEMU on s390x. + +Looking at the provided steps to reproduce, it's about running a specific ARM elf file through QEMU. The fact that it worked with qemu 6.0 and started failing with 6.2 suggests that there was a change in how QEMU handles certain operations or configurations between these versions. + +The problem seems to be occurring when using the semihosting feature, as indicated by the arguments passed to qemu-system-arm: `-semihosting-config enable=on,chardev=stdio0,arg='snek',arg=test/pass-slice.py`. Semihosting allows the ARM emulator to interact with the host's environment for I/O operations. + +In QEMU, user-mode emulation typically involves running a userspace application without full OS support, relying on the host's system calls. System-mode, on the other hand, emulates an entire system including peripherals and device drivers, which is more resource-intensive but provides a complete environment. + +Since the test runs correctly when using Python3 or native execution (snek-native), it suggests that the issue isn't with the code itself but rather how it's being emulated. The error occurs specifically in the QEMU emulation for ARM on s390x, which makes me think it's related to how QEMU handles system-level operations when running in a different architecture. + +The fact that the problem started after updating QEMU from 6.0 to 6.2 indicates a change in the emulator's behavior or configuration handling. It might be an issue with how semihosting is implemented in newer versions, possibly affecting how arguments are passed or processed during emulation. + +Considering all this, it seems like the bug is related to system-mode because it involves emulating an ARM environment on an s390x host and interacts with peripherals and device configurations through semihosting. This isn't just about running a user application but setting up the entire system environment correctly for emulation. +</think> + +system \ No newline at end of file |