Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of johnylin@google.com

Regression started on 1784 (ChromeOS version 10240.0.0)-
https://uberchromegw.corp.google.com/i/chromeos/builders/banon-release/builds/1784

From the host log of one cheets_GTS* test -
https://pantheon.corp.google.com/storage/browser/chromeos-autotest-results/166859207-chromeos-test

After the step of querying "/etc/lsb-release", it takes forever to finish "cache lock", and timeout in the end.

Log:
12/25 05:21:15.730 DEBUG|             utils:0280| [stdout] CHROMEOS_RELEASE_VERSION=10248.0.0
12/25 05:21:15.730 DEBUG|             utils:0280| [stdout] CHROMEOS_AUSERVER=https://tools.google.com/service/update2
12/25 05:21:15.830 INFO |     tradefed_test:0268| Waiting for cache lock...
12/25 05:21:16.490 INFO |     tradefed_test:0268| Waiting for cache lock...
...
12/25 06:20:58.369 INFO |     tradefed_test:0268| Waiting for cache lock...
12/25 06:21:03.758 INFO |          autoserv:0685| Results placed in /usr/local/autotest/results/165220320-chromeos-test/chromeos6-row1-rack19-host7
12/25 06:21:03.758 DEBUG|          autoserv:0693| autoserv is running in drone chromeos-server100.mtv.corp.google.com.