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TCling assertion failure in ROOT master #32734
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A new Issue was created by @makortel Matti Kortelainen. @Dr15Jones, @dpiparo, @silviodonato, @smuzaffar, @makortel, @qliphy can you please review it and eventually sign/assign? Thanks. cms-bot commands are listed here |
assign core |
New categories assigned: core @Dr15Jones,@smuzaffar,@makortel you have been requested to review this Pull request/Issue and eventually sign? Thanks |
@pcanal Could you take a look? Given that we have not seen any workflow failure sin ROOT6 IBs for at least a week, I'm wondering if this could be a threading issue? |
It does indeed looks like a race condition. (On the state/value of TCling::IsClassAutoLoadingEnabled). I will be looking at the stack to see if I can find it with just that information. Additional tracing the value change for TCling::IsClassAutoLoadingEnabled in the debugger might give more clue (i.e. I would need a reproducer that does not need a proxy certificate). |
@pcanal The workflow is MC (without pileup) so you should be able to run yourself first |
@makortel Can you try root-project/root#7094 which is likely to fix the problem? |
I'm a bit skeptical additional testing by me being useful given that the race condition occurred in 1 / (> 7x3397) = 1 / ( > ~23k) jobs. |
:) Alright, then can you incorporate the patch into the CMSSW builds once I merge them? |
The patch has been merge into the master (for v6.24) and v6.22 patch branch. See root-project/root#7095 |
@smuzaffar @mrodozov Please take note for the next ROOT update(s). |
We have not seen this a while, so I suppose we can close it. |
+1 |
This issue is fully signed and ready to be closed. |
Workflow 1102 step 3 failed in ROOT master IB CMSSW_11_3_ROOT6_X_2021-01-24-2300 with
https://cmssdt.cern.ch/SDT/cgi-bin/logreader/slc7_amd64_gcc900/CMSSW_11_3_ROOT6_X_2021-01-24-2300/pyRelValMatrixLogs/run/1102.0_RR+TTbarINPUT+DIGI+RECO+RECOFROMRECO+COPYPASTE/step3_RR+TTbarINPUT+DIGI+RECO+RECOFROMRECO+COPYPASTE.log#/
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