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Issue 764335 link

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Status: Untriaged
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 3
Type: Bug



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lvm hangs inside cros_sdk_unittest

Project Member Reported by bmgordon@chromium.org, Sep 12 2017

Issue description

Running chromite/scripts/cros_sdk_unittest works fine, but indirectly running it through chromite/cbuildbot/run_tests hangs sometimes.  It looks like maybe a race condition or locking problem inside lvm that is being triggered by run_tests' parallelization.
 
Project Member

Comment 1 by bugdroid1@chromium.org, Sep 14 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/chromite/+/72c662b3fec96af52dda4e03b8adc577dbf34662

commit 72c662b3fec96af52dda4e03b8adc577dbf34662
Author: Benjamin Gordon <bmgordon@google.com>
Date: Thu Sep 14 18:36:38 2017

run_tests: Disable cros_sdk_unittest

scripts/cros_sdk_unittest works fine when run alone, but
something about the way cbuildbot/run_tests is parallelizing tests
triggers hangs inside lvm.  Unclear why we're not seeing this on the
builders, but at least two Googlers have reported it.

Disable this test until the lvm hangs are figured out, but leave the
test in place because it's still useful to be able to run as an
individual test.

BUG=chromium:764335
TEST=cros_sdk_unittest is not in output of ./cbuildbot/run_tests

Change-Id: I6d7da5e715fcdaa5eb0ebaf1e22c5a4c66840389
Reviewed-on: https://chromium-review.googlesource.com/661539
Commit-Ready: Benjamin Gordon <bmgordon@chromium.org>
Tested-by: Benjamin Gordon <bmgordon@chromium.org>
Reviewed-by: Benjamin Gordon <bmgordon@chromium.org>

[modify] https://crrev.com/72c662b3fec96af52dda4e03b8adc577dbf34662/cbuildbot/run_tests.py

Components: Infra>Client>ChromeOS>CI
Components: -Infra>Client>ChromeOS

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