UCP: handle a case of a null cm on the worker - v1.10.x #6765
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yosefe
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@alinask can you pls add NEWS entry? |
NEWS
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| @@ -17,6 +17,7 @@ | |||
| * Fixes in RPM dependency on libibverbs | |||
| * Fixes in ABI backward compatibility for active message protocol | |||
| * Add support for DC full-handshake mode (off by default). | |||
| * Fixes for handling a NULL cm on the ucp worker. | |||
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Fixes in TCP connection establishment (issue #6755)
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why tcp..? the null cm can be any cm in the array (most likely rdmacm though) but it's ucp layer...
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How can we describe the error in more high-level in terms of how it affects a user?
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Fixes for handling a missing sockaddr transport on a host ?
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Fixes for connection establishment protocol (tcpcm, rdmacm, etc.) ?
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How about Fixes for segmentation fault while listening for connections
alinask
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@alinask can you pls squash? |
may happen if the list of components that support CM is longer than the available cms on the host (worker->cms).
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What
Handle a case of a null cm on the worker.
Why ?
This may happen if the list of components that support CM is longer than the
available cms on the host (worker->cms).
Needed to fix #6755
Backport of #6759
How ?
Skip a null cm on the worker.