[LLVMdev] Problems with nighttest FeatureTests

John Criswell criswell at cs.uiuc.edu
Wed Nov 3 09:26:24 PST 2004


Brian Gaeke wrote:
> 
> A typo in test/Makefile was the trigger for this problem:
> 
>     http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20041101/ 
> 020216.html
> 
> John, can you please look into this bug some more and add some error  
> checking to the llvm-specific qmtest python modules to make this error  
> less severe?

Does the fork bomb occur in the LLVM Python code or in the QMTest 
library code that looks up the name of the configuration variable?

-- John T.

> 
> Thanks!
> 
> -Brian
> 
> On Nov 3, 2004, at 10:35 AM, Brian Gaeke wrote:
> 
>>
>> I think there is a very similar situation with the PowerPC/Mac OS X  
>> nightly tests. Over each of the past few nights, something has been  
>> filling up the process table, causing me to be unable to log in.  The  
>> nightly tester wrote out regression test and feature test logs  
>> featuring hundreds of "Resource temporarily unavailable" errors from  
>> fork(), so I assume it's the qmtest stuff that's filling the process  
>> table. More to come once I am able to duplicate the problem and  
>> inspect the situation...
>>
>> -Brian
>>
>> On Nov 3, 2004, at 5:01 AM, Vladimir Merzliakov wrote:
>>
>>>>> I'm not sure that I follow.  The qmtest stuff isn't working on Zion
>>>>> because (I believe) of an upgrade that happened on the machine 
>>>>> (the  qmtest
>>>>> binary doesn't work anymore?).  Are you seeing a problem on 
>>>>> freebsd  where
>>>>> the feature tests go into a loop?  If so, can you provide us with  
>>>>> more
>>>>> information?
>>>>>
>>> make, ~ > ps -xu
>>> USER       PID %CPU %MEM   VSZ  RSS  TT  STAT STARTED      TIME  COMMAND
>>> wanderer 35325  5.0  1.7 11740 8816  ??  R     2:56AM  35:58.91  
>>> [python]
>>> wanderer 35330  5.0  1.7 11740 8828  ??  R     2:56AM  36:16.64  
>>> [python]
>>> wanderer 35333  5.0  1.7 11740 8828  ??  R     2:56AM  36:12.17  
>>> [python]
>>> wanderer 35335  5.0  1.7 11740 8828  ??  R     2:56AM  36:25.80  
>>> [python]
>>> wanderer 35337  5.0  1.7 11740 8828  ??  R     2:56AM  36:24.76  
>>> [python]
>>> wanderer 35338  5.0  1.7 11740 8828  ??  R     2:56AM  36:21.73  
>>> [python]
>>> wanderer 35326  4.9  1.7 11740 8828  ??  R     2:56AM  36:09.46  
>>> [python]
>>> wanderer 35332  4.9  1.7 11740 8828  ??  R     2:56AM  36:14.49  
>>> [python]
>>> wanderer 35339  4.9  1.7 11740 8828  ??  R     2:56AM  36:29.35  
>>> [python]
>>> wanderer 35341  4.9  1.7 11740 8828  ??  R     2:56AM  36:26.81  
>>> [python]
>>> wanderer 35342  4.9  1.7 11740 8828  ??  R     2:56AM  36:38.68  
>>> [python]
>>> wanderer 35327  4.9  1.7 11740 8828  ??  R     2:56AM  36:09.99  
>>> [python]
>>> wanderer 35328  4.9  1.7 11740 8828  ??  R     2:56AM  36:05.47  
>>> [python]
>>> wanderer 35329  4.9  1.7 11740 8828  ??  R     2:56AM  36:08.62  
>>> [python]
>>> wanderer 35331  4.9  1.7 11740 8828  ??  R     2:56AM  36:18.76  
>>> [python]
>>> wanderer 35334  4.9  1.7 11740 8828  ??  R     2:56AM  36:23.59  
>>> [python]
>>> wanderer 35336  4.9  1.7 11740 8828  ??  R     2:56AM  36:21.37  
>>> [python]
>>> wanderer 35340  4.9  1.7 11740 8828  ??  R     2:56AM  36:22.03  
>>> [python]
>>> wanderer 10005  0.0  0.2  1792 1004  ??  Is    2:13AM   0:00.01  
>>> /bin/sh -c cd /home/wanderer/pkg/build/llvm/night && ./testr
>>> wanderer 10006  0.0  0.2  1800 1040  ??  I     2:13AM   0:00.01  
>>> /bin/sh - ./testrun
>>> wanderer 10011  0.0  0.4  3020 2332  ??  I     2:13AM   0:00.06 [perl]
>>> wanderer 35234  0.0  0.2  1796 1032  ??  I     2:55AM   0:00.00 sh 
>>> -c  (time -p gmake  -j2 -l3.0 -C test Feature.t) > /home/w
>>> wanderer 35235  0.0  0.1  1308  576  ??  I     2:55AM   0:00.00 time  
>>> -p gmake -j2 -l3.0 -C test Feature.t
>>> wanderer 35236  0.0  0.2  2604 1224  ??  I     2:55AM   0:00.03 
>>> gmake  -j2 -l3.0 -C test Feature.t
>>> wanderer 35319  0.0  0.2  1796 1036  ??  I     2:56AM   0:00.00 [sh]
>>> wanderer 35320  0.0  1.7 11740 8808  ??  I     2:56AM   0:00.57  
>>> [python]
>>> wanderer 35343  0.0  1.7 11740 8820  ??  I     2:56AM   0:00.02  
>>> [python]
>>> make, ~/pkg/build/gcc >
>>>
>>> NightlyTest.pl run with -noremove and then i can send any generated  
>>> file if need.
>>>
>>> Vladimir
>>> <2004-11-03-FeatureTests- 
>>> Log.txt>_______________________________________________
>>> LLVM Developers mailing list
>>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>>> http://mail.cs.uiuc.edu/mailman/listinfo/llvmdev
>>
>>
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-- 
*********************************************************************
* John T. Criswell                         Email: criswell at uiuc.edu *
* Research Programmer                                               *
* University of Illinois at Urbana-Champaign                        *
*                                                                   *
* "It's today!" said Piglet. "My favorite day," said Pooh.          *
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