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KVM denied permissions breaking tree and pre-submit #170529

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@vashworth

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@vashworth

This user doesn't have permissions to use KVM

D0612 07:56:12.736733   31001 main-common.c:1415] CPU Acceleration status: This user doesn't have permissions to use KVM (/dev/kvm).
The KVM line in /etc/group is: [kvm:x:993:]

If the current user has KVM permissions,
the KVM line in /etc/group should end with ":" followed by your username.

If we see LINE_NOT_FOUND, the kvm gr
D0612 07:56:12.736741   31001 main-common.c:1428] handleCpuAcceleration: feature check for hvf
C 07:58:12.704  120.080s Main  Timed out. Dumping threads.
C 07:58:12.704  120.081s Main  ********************************************************************************
C 07:58:12.704  120.081s Main  Stack dump for thread 'TimeoutThread-1-for-MainThread'
C 07:58:12.704  120.081s Main  ********************************************************************************
C 07:58:12.705  120.082s Main  File: "/home/chrome-bot/.cache/vpython-root.1000/store/cpython+tkj8tpr2n0oj8m0t270p0m71s0/contents/lib/python3.8/threading.py", line 890, in _bootstrap
C 07:58:12.705  120.082s Main    self._bootstrap_inner()
C 07:58:12.705  120.082s Main  File: "/home/chrome-bot/.cache/vpython-root.1000/store/cpython+tkj8tpr2n0oj8m0t270p0m71s0/contents/lib/python3.8/threading.py", line 932, in _bootstrap_inner
C 07:58:12.705  120.082s Main    self.run()
C 07:58:12.705  120.082s Main  File: "/b/s/w/ir/cache/avd/src/third_party/catapult/devil/devil/utils/reraiser_thread.py", line 123, in run
C 07:58:12.705  120.082s Main    self._ret = self._func(*self._args, **self._kwargs)
C 07:58:12.705  120.082s Main  File: "/b/s/w/ir/cache/avd/src/third_party/catapult/devil/devil/utils/timeout_retry.py", line 156, in <lambda>
C 07:58:12.705  120.082s Main    lambda: func(*args, **kwargs), name=thread_name)
C 07:58:12.705  120.082s Main  File: "/b/s/w/ir/cache/avd/src/build/android/pylib/local/emulator/avd.py", line 1180, in listen_for_serial
C 07:58:12.705  120.082s Main    with contextlib.closing(s.accept()[0]) as conn:
C 07:58:12.705  120.082s Main  File: "/home/chrome-bot/.cache/vpython-root.1000/store/cpython+tkj8tpr2n0oj8m0t270p0m71s0/contents/lib/python3.8/socket.py", line 292, in accept
C 07:58:12.705  120.082s Main    fd, addr = self._accept()
C 07:58:12.705  120.082s Main  ********************************************************************************

https://ci.chromium.org/ui/p/flutter/builders/try/Linux_android_emu%20android_engine_opengles_tests/10332/overview
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_android_emu%20android_defines_test/5643/overview

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P0Critical issues such as a build break or regressioninfra: chromiumteam-infraOwned by Infrastructure team

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