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Issue metadata

Status: Accepted
Owner:
Cc:
Area: Font
Priority: Medium
Type: Defect



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Text flakes on Win8 in DM

Project Member Reported by bsalo...@google.com, Aug 15 2014 Back to list

Issue description

DM flakes on text sometimes. A character substitution occurs or advances appear to be different. This seems to have started with advent DM, suggesting a threading issue. I sometimes see this when I run DM locally on Win8. It occurs on the Win8 bots sporadically but not the Win7 bots.

 
Project Member

Comment 1 by caryclark@google.com, Aug 18 2014

Cc: mtkl...@google.com
Sunshine, can you help Ben track this down?
Project Member

Comment 2 by rmis...@google.com, Sep 2 2014

Labels: -Priority-Medium Priority-High
Raising priority to High since its BreakingTheBuildbots with its flakiness.
Project Member

Comment 3 by rmis...@google.com, Sep 2 2014

Cc: jvanverth@google.com
+sheriff
Project Member

Comment 4 by bsalo...@google.com, Sep 5 2014

Not sure if this is related. I got this error running dm just now:

bsalomon:/d/src/skia$ d dm --config gpunull
ninja: Entering directory `out/Debug'
[349/349] LINK_EMBED dm.exe
303 GMs x 1 configs, 343 tests, 0 pictures
1 tasks left, 1 failed
Failures:
  test FontHost: d:\src\skia\tests\fonthosttest.cpp:108 Simple UTF-16, paintGlyphIds[4] = 0, faceGlyphIds[4] = 2925, face = Segoe UI: paintGlyphIds[i] == faceGlyphIds[i]
1 failures.
Project Member

Comment 5 by hcm@google.com, Sep 8 2014

Labels: Area-Font
Project Member

Comment 6 by stephana@google.com, Sep 19 2014

Cc: stephana@google.com
Project Member

Comment 7 by scro...@google.com, Dec 11 2014

Cc: scro...@google.com
The flake also seems to show with https://skia.googlesource.com/skia/+/895c43b28b27bb3124db3d32efd0c7219eb4a3cb. When I submitted this, dm failed some of the serialize tasks.
Project Member

Comment 8 by mtkl...@google.com, Jan 20 2015

Labels: -BreakingTheBuildbots -Priority-High Priority-Medium
This will not show up on the buildbot page anymore.  Rather, it'll show up as different images on skiagold now.  We marked the bad images as negative in skiagold during the first triage Friday.
Project Member

Comment 9 by bsalo...@google.com, Jan 20 2015

Still pretty problematic though. We will need to triage every random image the test generates.
Project Member

Comment 10 by hcm@google.com, Dec 7 2015

Labels: Hotlist-Fixit

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