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Issue 671758 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Dec 2016
Cc:
rogerta@chromium.org
vogelheim@chromium.org
yangguo@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Build step v8:run_mksnapshot flaky on "Win" builder causing compile step to fail

Project Member Reported by carlosk@chromium.org, Dec 6 2016 
Latest occurrence in build #49785 [1]. This is all we see in the logs:

[30309/55322] ACTION //v8:run_mksnapshot(//build/toolchain/win:x86)
FAILED: gen/v8/snapshot.cc snapshot_blob.bin 
C:/b/depot_tools/python276_bin/python.exe ../../v8/tools/run.py ./mksnapshot --startup_src gen/v8/snapshot.cc --random-seed 314159265 --startup_blob snapshot_blob.bin


I've seen it happen at least twice in since yesterday with immediate tree closure.


[1] https://uberchromegw.corp.google.com/i/chromium/builders/Win/builds/49785

Comment 1 by carlosk@chromium.org, Dec 6 2016 

Potentially related:
-  Issue 633159 .
- Issue 495204.

Comment 2 by machenb...@chromium.org, Dec 6 2016

Cc: yangguo@chromium.org vogelheim@chromium.org
Components: -Infra>Client>V8 Blink>JavaScript

Comment 3 by thakis@chromium.org, Dec 6 2016 

I don't think either of those is related.

Comment 4 by yosin@chromium.org, Dec 7 2016 

Build error message is:

[30309/55322] ACTION //v8:run_mksnapshot(//build/toolchain/win:x86)
FAILED: gen/v8/snapshot.cc snapshot_blob.bin 
C:/b/depot_tools/python276_bin/python.exe ../../v8/tools/run.py ./mksnapshot --startup_src gen/v8/snapshot.cc --random-seed 314159265 --startup_blob snapshot_blob.bin

Comment 5 by yosin@chromium.org, Dec 7 2016

Status: WontFix (was: Untriaged)
According to [1], this issue can be fixed if mksnapshot is robust.

I filed into v8 bug [2], please use [2] for tracking.

[1] https://bugs.chromium.org/p/chromium/issues/detail?id=633159#c8 
[2] https://bugs.chromium.org/p/v8/issues/detail?id=5720 mksnapshot should write temporary file then move to output file
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