https://viceroy.corp.google.com/chromeos/afe_health?duration=8d#_VG_Nkq8f53N
P1, outage contributor (Issue 771879)
Possibly related, I see this in the sysmon logs on one of the shards:
DEBUG:chromite.scripts.sysmon.git_metrics:Collecting Git hash '7a7bb6bda0e8546b6f13c9c5f979cd13341273e2' for '~chromeos-test/chromiumos/chromite/.git'
DEBUG:chromite.scripts.sysmon.git_metrics:Collecting Git timestamp 1506975088 for '~chromeos-test/chromiumos/chromite/.git'
DEBUG:chromite.scripts.sysmon.git_metrics:Collecting Git hash '715d5e9f7e5d7632f81d11dcc067733f241f84c9' for '/usr/local/autotest/.git'
DEBUG:chromite.scripts.sysmon.git_metrics:Collecting Git timestamp 1506938626 for '/usr/local/autotest/.git'
DEBUG:chromite.scripts.sysmon.loop:Sleeping for 60, 60 remaining
DEBUG:root:Got FQDN: chromeos-server14.mtv.corp.google.com
fatal: Not a git repository: '/root/chromeos-admin/.git'
WARNING:chromite.scripts.sysmon.git_metrics:Error collecting git metrics for /root/chromeos-admin/.git: Command '['git', '--git-dir', '/root/chromeos-admin/.git', 'rev-parse', 'HEAD']' returned non-zero exit status 128
Comment 1 by akes...@chromium.org
, Oct 5 2017