[swift-dev] [Swift CI] Build Failure: 0. OSS - Swift Incremental RA - OS X (master) #3504

Xin Tong xin_tong at apple.com
Wed Apr 20 00:35:32 CDT 2016 

To summarize. I think I fixed the non-determinism in commit 7d26a472009eae673fd40a0403ceb319027481be and re-enabled retain release code motion (RRCM).

I do not think the array test failure is related to RRCM , the benchmark failed even after i disabled RRCM.

https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-14_04/4240/ <https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-14_04/4240/>
https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-15_10/4351/ <https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-15_10/4351/>

-Xin

> On Apr 19, 2016, at 10:05 PM, Xin Tong <xin_tong at apple.com> wrote:
> 
> 
>> On Apr 19, 2016, at 10:03 PM, Xin Tong via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
>> 
>> 
>>> On Apr 19, 2016, at 10:00 PM, Greg Parker <gparker at apple.com <mailto:gparker at apple.com>> wrote:
>>> 
>>> Disabling the pass that way may have caused two more SILOptimizer test failures:
>>> https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-15_10/4351/ <https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-15_10/4351/>
>> I am fixing the problem now. 
>>> 
>>> I also suspect that the ArrayTraps failure is caused by something in the RR motion branch, but I'm still working to confirm that.
>> 
>> I do not think so.
>> 
>> https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-14_04/4240/ <https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-14_04/4240/>
> I meant if you look into the console output, the array test is still failing with RRcodemotion disabled.
>> 
>> -Xin 
>> 
>>> 
>>> 
>>>> On Apr 19, 2016, at 9:45 PM, Xin Tong <xin_tong at apple.com <mailto:xin_tong at apple.com>> wrote:
>>>> 
>>>> Done in commit c2e8c81227263c9947f0ee0b8f9f6689d5e7bd21 , I have some commit on top of this one, so reverting is not very easy.
>>>> -Xin
>>>> 
>>>>> On Apr 19, 2016, at 9:40 PM, Greg Parker <gparker at apple.com <mailto:gparker at apple.com>> wrote:
>>>>> 
>>>>> Thanks. I'll try that.
>>>>> 
>>>>> 
>>>>>> On Apr 19, 2016, at 9:35 PM, Xin Tong <xin_tong at apple.com <mailto:xin_tong at apple.com>> wrote:
>>>>>> 
>>>>>> I will check in something to disable the pass.
>>>>>> 
>>>>>> -Xin
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>>> On Apr 19, 2016, at 9:34 PM, Greg Parker <gparker at apple.com <mailto:gparker at apple.com>> wrote:
>>>>>>> 
>>>>>>> Looks like it was caused by the RR code motion merge (https://github.com/apple/swift/pull/2064 <https://github.com/apple/swift/pull/2064>). 
>>>>>>> 
>>>>>>> Xin, I'm planning to revert 49f1c66d7b20b29097d7aec99835c5a42a2048bf and 3824a9479ed2df701dffff4a0c9467495a4c37f0 once my tests finish, unless you have a fix in the next few minutes.
>>>>>>> 
>>>>>>> 
>>>>>>>> On Apr 19, 2016, at 8:50 PM, Erik Eckstein <eeckstein at apple.com <mailto:eeckstein at apple.com>> wrote:
>>>>>>>> 
>>>>>>>> This looks like there is some kind of non-determinism in the compilation.
>>>>>>>> 
>>>>>>>>> On Apr 19, 2016, at 8:14 PM, Greg Parker <gparker at apple.com <mailto:gparker at apple.com>> wrote:
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>>> On Apr 19, 2016, at 12:45 PM, no-reply at swift.org <mailto:no-reply at swift.org> wrote:
>>>>>>>>>> 
>>>>>>>>>> [FAILURE] oss-swift-incremental-RA-osx [#3504]
>>>>>>>>>> 
>>>>>>>>>> Tests: 
>>>>>>>>>> 
>>>>>>>>>> Name: Swift
>>>>>>>>>> Failed: 1 test(s), Passed: 7808 test(s), Total: 7809 test(s)
>>>>>>>>>> 	• Failed: Swift.IRGen.module_hash.swift
>>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> This may be an older failure recently uncovered by changes to which tests get run. Jordan, Erik, any guesses of changes that might have broken it?
>>>>>>>>> 
>>>>>>>>> Errors and recorded output below:
>>>>>>>>> 
>>>>>>>>> /Volumes/precious/cvs/swift-github/swift/test/IRGen/module_hash.swift:49:15: error: expected string not found in input
>>>>>>>>> // CHECK-DAG: test.o: MD5=[[TEST4_MD5]]
>>>>>>>>>          ^
>>>>>>>>> <stdin>:21:1: note: scanning from here
>>>>>>>>> thread 0: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o
>>>>>>>>> ^
>>>>>>>>> <stdin>:21:1: note: with variable "TEST4_MD5" equal to "c32902f17598124702a017fac0e9b86d"
>>>>>>>>> thread 0: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o
>>>>>>>>> ^
>>>>>>>>> <stdin>:26:161: note: possible intended match here
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: MD5=e888cbc861bdeaaf786df90c4e5a40da
>>>>>>>>>                                                                                                                                                            ^
>>>>>>>>> /Volumes/precious/cvs/swift-github/swift/test/IRGen/module_hash.swift:59:15: error: expected string not found in input
>>>>>>>>> // CHECK-DAG: test.o: prev MD5=[[TEST4_MD5]] skipping
>>>>>>>>>          ^
>>>>>>>>> <stdin>:30:1: note: scanning from here
>>>>>>>>> thread 0: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o
>>>>>>>>> ^
>>>>>>>>> <stdin>:30:1: note: with variable "TEST4_MD5" equal to "c32902f17598124702a017fac0e9b86d"
>>>>>>>>> thread 0: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o
>>>>>>>>> ^
>>>>>>>>> <stdin>:35:161: note: possible intended match here
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: prev MD5=e888cbc861bdeaaf786df90c4e5a40da recompiling
>>>>>>>>>                                                                                                                                                            ^
>>>>>>>>> 
>>>>>>>>> ----
>>>>>>>>> 
>>>>>>>>> single-threaded initial
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: MD5=bbfcd715eee1f17799113c1826dfe124
>>>>>>>>> single-threaded same compilation
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: MD5=bbfcd715eee1f17799113c1826dfe124
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: prev MD5=bbfcd715eee1f17799113c1826dfe124 skipping
>>>>>>>>> single-threaded file changed
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: MD5=bd6e3d5aef7c83992235017dacea08a9
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: prev MD5=bbfcd715eee1f17799113c1826dfe124 recompiling
>>>>>>>>> single-threaded option changed
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: MD5=d67d06dfe12e11f7a2e4403461c646cd
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: prev MD5=bd6e3d5aef7c83992235017dacea08a9 recompiling
>>>>>>>>> multi-threaded initial
>>>>>>>>> thread 0: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o
>>>>>>>>> thread 1: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/simple.o
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/simple.o: MD5=a3b21cc67542538560df721fd14c5797
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: MD5=c32902f17598124702a017fac0e9b86d
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: prev MD5=d67d06dfe12e11f7a2e4403461c646cd recompiling
>>>>>>>>> thread 1: done
>>>>>>>>> thread 0: done
>>>>>>>>> multi-threaded same compilation
>>>>>>>>> thread 0: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o
>>>>>>>>> thread 1: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/simple.o
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/simple.o: MD5=a3b21cc67542538560df721fd14c5797
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/simple.o: prev MD5=a3b21cc67542538560df721fd14c5797 skipping
>>>>>>>>> thread 1: done
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: MD5=e888cbc861bdeaaf786df90c4e5a40da
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: prev MD5=c32902f17598124702a017fac0e9b86d recompiling
>>>>>>>>> thread 0: done
>>>>>>>>> multi-threaded one file changed
>>>>>>>>> thread 0: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o
>>>>>>>>> thread 1: fetched /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/simple.o
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/simple.o: MD5=1819daca599a35aa54bcdbad1251d8ac
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/simple.o: prev MD5=a3b21cc67542538560df721fd14c5797 recompiling
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: MD5=c32902f17598124702a017fac0e9b86d
>>>>>>>>> /Volumes/precious/cvs/swift-github/build/Ninja-RelWithDebInfoAssert+stdlib-DebugAssert/swift-macosx-x86_64/test-macosx-x86_64/IRGen/Output/module_hash.swift.tmp/test.o: prev MD5=e888cbc861bdeaaf786df90c4e5a40da recompiling
>>>>>>>>> thread 1: done
>>>>>>>>> thread 0: done
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> -- 
>>>>>>>>> Greg Parker     gparker at apple.com <mailto:gparker at apple.com>     Runtime Wrangler
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>> 
>>>>>>> 
>>>>>> 
>>>>> 
>>>> 
>>> 
>> 
>> _______________________________________________
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>> swift-dev at swift.org <mailto:swift-dev at swift.org>
>> https://lists.swift.org/mailman/listinfo/swift-dev
> 

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