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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-r1:14b/reasoning/manual-review/1727250 | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/deepseek-r1:14b/reasoning/manual-review/1727250')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/reasoning/manual-review/1727250 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/reasoning/manual-review/1727250 b/results/classifier/deepseek-r1:14b/reasoning/manual-review/1727250 new file mode 100644 index 00000000..6a1db2fe --- /dev/null +++ b/results/classifier/deepseek-r1:14b/reasoning/manual-review/1727250 @@ -0,0 +1,36 @@ +<think> +Okay, so I'm trying to figure out why the test 147 is failing. Let me start by reading through the error messages provided. + +The user ran a test and got several failures. The errors mention AssertionErrors in the assert_qmp method, specifically that the path traversal for "return" failed because d was None. So, when self.dictpath(d, path) was called with d being None, it couldn't find the 'return' key. + +Looking at the test code (test 147), it seems to be testing QEMU's NBD protocol handling. The client_test function sends a command and expects a certain response via QMP. If the result is None when trying to access the 'return' field, that suggests that the expected dictionary wasn't received. + +The user also mentioned that without gcov configured, all tests passed. Gcov is used for code coverage; perhaps when it's enabled, some optimizations or behaviors change, causing the test to fail. Maybe with coverage, certain paths aren't taken, leading to incomplete responses. + +I think the issue might be related to how QEMU handles NBD connections or sends QMP replies. When gcov is enabled, maybe there's a problem in how the server responds, resulting in an empty or None result where 'return' is expected. + +Another angle: perhaps when running with coverage, some functions are being instrumented differently, causing delays or issues in sending responses over NBD. This could lead to the client not receiving the expected QMP reply, hence getting a None and failing the assert_qmp check. + +The user also mentioned that when gcov isn't used, all tests pass, which points towards the test environment change (adding gcov) as the culprit for the failure. + +So, possible solutions: +1. Check if running with gcov affects how QEMU sends responses over NBD. +2. Ensure that when coverage is enabled, all necessary parts of QEMU are correctly instrumented and don't interfere with protocol handling. +3. Look into whether any code paths in QEMU's NBD server are skipped or behave differently under gcov, leading to the missing 'return' field. + +I should also consider looking at the assert_qmp method in iotests.py to see why d is None. Maybe when coverage is enabled, certain messages aren't being sent correctly, causing the result variable to be None instead of a dictionary. + +In summary, the failure occurs because d (the QMP response) is None, leading to an AssertionError when trying to traverse 'return'. This happens only with gcov configured, so it's likely due to changes in code behavior or coverage instrumentation affecting how NBD connections and QMP responses are handled. +</think> + +The issue arises when running the test with `gcov` enabled, causing certain paths in QEMU to behave differently, leading to an incomplete QMP response. Specifically, the test expects a dictionary but receives `None`, resulting in an assertion failure. + +**Solution:** + +1. **Ensure Proper Coverage Setup:** Verify that the coverage tools are correctly instrumenting the code without disrupting NBD communication or QMP responses. + +2. **Check QEMU Logs and Responses:** When running with `gcov`, monitor QEMU's output to ensure that all expected messages are being sent over NBD and that the server is responding as anticipated. + +3. **Review Test Code:** Examine the `client_test` function in test 147 to confirm it correctly handles cases where responses might be delayed or altered under coverage. + +By addressing these points, you can identify whether the issue stems from coverage interference or a specific bug in QEMU's NBD handling when coverage is enabled. \ No newline at end of file |