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action #107998

Updated by okurz about 2 years ago

## Observation 

 I think I have seen similar errors multiple times. From 
 https://github.com/os-autoinst/os-autoinst/runs/5463149078?check_suite_focus=true#step:3:613 : 

 ``` 
 : #     Failed test 'log output for backend driver creation' 
 7: #     at ./29-backend-driver.t line 24. 
 7: # STDOUT & STDERR: 
 7: # hannel_in 20 
 7: #  
 7: # don't match: 
 7: # (?^u:(Blocking SIGCHLD|channel_out)) 
 7: # as expected 
 7: # Looks like you failed 1 test of 12. 
 7: [10:54:25] ./29-backend-driver.t ....................  
 7: Dubious, test returned 1 (wstat 256, 0x100) 
 ``` 

 Locally I can reproduce the error. `runs=1000 count_fail_ratio prove -I. t/29-backend-driver.t` failed (only) 6 times so a fail-ratio of 0.6% and that is actually failing in either line 24 or line 26, 0.6%, but at least it's fast and reproducible :)

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