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Issue 918586 link

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Issue metadata

Status: Started
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: 2019-01-21
OS: Fuchsia
Pri: 1
Type: Bug



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webrunner_smoketests flakes due to blobfs capacity assertion failure

Project Member Reported by w...@chromium.org, Jan 2

Issue description

On the Fuchsia x64 bot (https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Fuchsia%20x64) we see flakes due to blobfs capacity check failures, e.g. in runs
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Fuchsia%20x64/26669
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Fuchsia%20x64/26674
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Fuchsia%20x64/26670

with output including:

[00101.478] ASSERT FAILED at (system/ulib/blobfs/writeback.cpp:202): blocks <= capacity_
[00101.478] Requested txn (5329 blocks) larger than buffer


 
Cc: sergeyu@chromium.org
This suite was added for issue 917192; will make it FYI-only until we can resolve the blobfs capacity issue.
Run https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Fuchsia%20x64/26674 also failed to install castrunner_tests, for the same reason.
Possibly related to Fuchsia issue ZX-3182?
Owner: fdegans@chromium.org
Project Member

Comment 5 by bugdroid1@chromium.org, Jan 3

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/22c7b4216d6cf874f7bbc0aa6aead31498c811e8

commit 22c7b4216d6cf874f7bbc0aa6aead31498c811e8
Author: Fabrice de Gans-Riberi <fdegans@chromium.org>
Date: Thu Jan 03 18:21:58 2019

[Fuchsia] Disable integration tests on the waterfall.

Fuchsia integration tests have been flaking on the waterfall. Disable
them until the underlying issue is fixed.
This also separates castrunner unit tests and integration tests in two
different test suites.

Bug: 917192, 918586
Change-Id: Idd3ad424559b7d68679d16d6a2e56929c33e029a
Reviewed-on: https://chromium-review.googlesource.com/c/1393887
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Commit-Queue: Fabrice de Gans-Riberi <fdegans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619694}
[modify] https://crrev.com/22c7b4216d6cf874f7bbc0aa6aead31498c811e8/testing/buildbot/chromium.fyi.json
[modify] https://crrev.com/22c7b4216d6cf874f7bbc0aa6aead31498c811e8/testing/buildbot/chromium.linux.json
[modify] https://crrev.com/22c7b4216d6cf874f7bbc0aa6aead31498c811e8/testing/buildbot/gn_isolate_map.pyl
[modify] https://crrev.com/22c7b4216d6cf874f7bbc0aa6aead31498c811e8/testing/buildbot/test_suites.pyl
[modify] https://crrev.com/22c7b4216d6cf874f7bbc0aa6aead31498c811e8/webrunner/BUILD.gn

Created Fuchsia bug ZX-3255 for this specific failure mode.
Project Member

Comment 7 by bugdroid1@chromium.org, Jan 10

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6fc4eff07529eef0352b659b658a0ea2a8d06f15

commit 6fc4eff07529eef0352b659b658a0ea2a8d06f15
Author: Wez <wez@chromium.org>
Date: Thu Jan 10 02:53:18 2019

[Fuchsia] Enable integration, browser-test and smoke-test suites on FYI.

Remove webrunner_browsertests from the main waterfall Fuchsia x64 bot,
since the suite sometimes fails to install, with a blobfs assertion.

Enable castrunner_integration_tests and webrunner_browsertests, which
were entirely disabled by
https://chromium-review.googlesource.com/c/chromium/src/+/1393887,
to run on the Fuchsia FYI bots, to provide some coverage without
blocking Chromium's waterfall/CQ with installation flakes.

Bug: 918586, 918591
Change-Id: I44bba162d714f1886e49e9d07dd814798ceab077
Reviewed-on: https://chromium-review.googlesource.com/c/1395562
Reviewed-by: Fabrice de Gans-Riberi <fdegans@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621439}
[modify] https://crrev.com/6fc4eff07529eef0352b659b658a0ea2a8d06f15/testing/buildbot/chromium.fyi.json
[modify] https://crrev.com/6fc4eff07529eef0352b659b658a0ea2a8d06f15/testing/buildbot/chromium.linux.json
[modify] https://crrev.com/6fc4eff07529eef0352b659b658a0ea2a8d06f15/testing/buildbot/gn_isolate_map.pyl
[modify] https://crrev.com/6fc4eff07529eef0352b659b658a0ea2a8d06f15/testing/buildbot/test_suite_exceptions.pyl
[modify] https://crrev.com/6fc4eff07529eef0352b659b658a0ea2a8d06f15/testing/buildbot/test_suites.pyl

Comment 8 by w...@chromium.org, Jan 19 (4 days ago)

NextAction: 2019-01-21
Fix for ZX-3255 just landed; let's see if things stabilize by Monday.

Comment 9 by monor...@bugs.chromium.org, Yesterday (42 hours ago)

The NextAction date has arrived: 2019-01-21

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