mtl/ofi: avoid accessing request object after completion callback(restart ci) #12175
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Testing in AWS internal CI. |
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ompi/mca/mtl/ofi/mtl_ofi.h
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| @@ -154,9 +154,9 @@ ompi_mtl_ofi_context_progress(int ctxt_id) | |||
| ret = ofi_req->event_callback(&ompi_mtl_ofi_wc[i], ofi_req); | |||
| if (OMPI_SUCCESS != ret) { | |||
| opal_output(0, | |||
| "%s:%d: Error returned by request (type: %d) event callback: %zd.\n" | |||
| "%s:%d: Error returned by request event callback: %zd.\n" | |||
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could you cache the req type before invoking the event_callback and use that in the error message? might help a little with debugging.
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Ah that's smart. Let me do that...
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Updated. Running our CI again...
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nvidia ci vomitted... |
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rerunning it doesn't seem to help. |
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It appears that the backend server is not available. I tried to restart the ci for #12182 |
Request completion callback function can potentially invalidate the request object. We should avoid accessing the object afterwards. Signed-off-by: Wenduo Wang <[email protected]>
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Finally worked... Our internal CI also passed. Merging... |
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The completion callback can potentially invalidate the request object, so it is not safe to access the object afterwards.