I got about 15 minutes into a Hangouts call and then my headset stopped working.  The headset seems to appear and disappear every couple of seconds, causing Chrome to switch between internal audio and headset audio.

Kernel log:

2017-04-20T10:53:10.877371-07:00 DEBUG kernel: [  365.612742] SELinux: initialized (dev proc, type proc), uses genfs_contexts
2017-04-20T10:53:11.217368-07:00 DEBUG kernel: [  365.949524] SELinux: initialized (dev proc, type proc), uses genfs_contexts
2017-04-20T10:53:28.363056-07:00 NOTICE dbus[564]: [system] Activating service name='org.chromium.ImageLoader' (using servicehelper)
2017-04-20T10:53:28.447382-07:00 DEBUG kernel: [  383.181128] SELinux: initialized (dev proc, type proc), uses genfs_contexts
2017-04-20T10:53:28.627350-07:00 DEBUG kernel: [  383.365008] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
2017-04-20T10:53:28.629042-07:00 NOTICE dbus[564]: [system] Successfully activated service 'org.chromium.ImageLoader'
2017-04-20T10:53:47.217362-07:00 DEBUG kernel: [  401.956150] SELinux: initialized (dev proc, type proc), uses genfs_contexts
2017-04-20T10:54:08.268841-07:00 ERR cras_server[1630]: pcm_avail error Jabra GN1900 USB: USB Audio:2,0, No such device
2017-04-20T10:54:08.277368-07:00 ERR kernel: [  423.008133] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
2017-04-20T10:54:08.277403-07:00 INFO kernel: [  423.008156] usb 2-1: USB disconnect, device number 12
2017-04-20T10:54:08.297352-07:00 INFO kernel: [  423.028189] rk3288-dmc ff610000.dmc: resuming DVFS
2017-04-20T10:54:08.402096-07:00 ERR cras_server[1630]: message repeated 4 times: [ pcm_avail error Jabra GN1900 USB: USB Audio:2,0, No such device]
2017-04-20T10:54:08.835803-07:00 ERR cras_server[1630]: No chmap queried!
2017-04-20T10:54:09.327360-07:00 INFO kernel: [  424.058106] usb 2-1: new full-speed USB device number 13 using dwc2
2017-04-20T10:54:09.797341-07:00 INFO kernel: [  424.535513] usb 2-1: New USB device found, idVendor=0b0e, idProduct=1900
2017-04-20T10:54:09.797371-07:00 INFO kernel: [  424.535531] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
2017-04-20T10:54:09.797376-07:00 INFO kernel: [  424.535544] usb 2-1: Product: Jabra GN1900 USB
2017-04-20T10:54:09.807354-07:00 INFO kernel: [  424.544421] rk3288-dmc ff610000.dmc: suspending DVFS and going to max freq
2017-04-20T10:54:09.807382-07:00 DEBUG kernel: [  424.544939] atmel_mxt_ts 3-004a: GPIO lookup for consumer atmel,reset
2017-04-20T10:54:09.807386-07:00 DEBUG kernel: [  424.544946] atmel_mxt_ts 3-004a: using device tree for GPIO lookup
2017-04-20T10:54:09.807389-07:00 DEBUG kernel: [  424.544962] of_get_named_gpiod_flags exited with status 0
2017-04-20T10:54:09.807391-07:00 DEBUG kernel: [  424.544968] gpio-71 (reset): gpiod_request: status -16
2017-04-20T10:54:09.807393-07:00 INFO kernel: [  424.544979] atmel_mxt_ts 3-004a: reset gpio is busy, deferring probe
2017-04-20T10:54:09.807396-07:00 INFO kernel: [  424.545034] i2c 3-004a: Driver atmel_mxt_ts requests probe deferral
2017-04-20T10:54:09.807398-07:00 INFO kernel: [  424.547940] input: Jabra GN1900 USB as /devices/ff540000.usb/usb2/2-1/2-1:1.3/0003:0B0E:1900.000C/input/input17
2017-04-20T10:54:09.817359-07:00 INFO kernel: [  424.548653] hid-generic 0003:0B0E:1900.000C: input,hidraw0: USB HID v1.00 Device [Jabra GN1900 USB] on usb-ff540000.usb-1/input3
2017-04-20T10:54:09.817392-07:00 DEBUG kernel: [  424.549144] atmel_mxt_ts 3-004a: GPIO lookup for consumer atmel,reset
2017-04-20T10:54:09.817396-07:00 DEBUG kernel: [  424.549151] atmel_mxt_ts 3-004a: using device tree for GPIO lookup
2017-04-20T10:54:09.817398-07:00 DEBUG kernel: [  424.549168] of_get_named_gpiod_flags exited with status 0
2017-04-20T10:54:09.817401-07:00 DEBUG kernel: [  424.549175] gpio-71 (reset): gpiod_request: status -16
2017-04-20T10:54:09.817403-07:00 INFO kernel: [  424.549180] atmel_mxt_ts 3-004a: reset gpio is busy, deferring probe
2017-04-20T10:54:09.817406-07:00 INFO kernel: [  424.549248] i2c 3-004a: Driver atmel_mxt_ts requests probe deferral
2017-04-20T10:54:09.840019-07:00 WARNING kernel: [  424.579626] udevd[4831]: Process '/usr/sbin/alsactl restore 2' failed with exit code 99.
2017-04-20T10:54:08.839784-07:00 ERR cras_server[1630]: No chmap queried!
2017-04-20T10:54:09.968097-07:00 ERR cras_server[1630]: USB card: vendor:0b0e, product:1900, serial num:, checksum:1748fd63
2017-04-20T10:54:10.958384-07:00 ERR cras_server[1630]: Fail to create conversion matrix due to invalid channel layout
2017-04-20T10:54:11.019120-07:00 ERR cras_server[1630]: pcm_avail error Jabra GN1900 USB: USB Audio:2,0, No such device
2017-04-20T10:54:11.027379-07:00 ERR kernel: [  425.758155] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
2017-04-20T10:54:11.027413-07:00 INFO kernel: [  425.758185] usb 2-1: USB disconnect, device number 13
2017-04-20T10:54:11.047802-07:00 INFO kernel: [  425.779014] rk3288-dmc ff610000.dmc: resuming DVFS
2017-04-20T10:54:11.517738-07:00 INFO kernel: [  426.248128] usb 2-1: new full-speed USB device number 14 using dwc2
2017-04-20T10:54:11.151212-07:00 ERR cras_server[1630]: message repeated 4 times: [ pcm_avail error Jabra GN1900 USB: USB Audio:2,0, No such device]
2017-04-20T10:54:11.534479-07:00 ERR cras_server[1630]: No chmap queried!
2017-04-20T10:54:11.727380-07:00 INFO kernel: [  426.465766] usb 2-1: New USB device found, idVendor=0b0e, idProduct=1900
2017-04-20T10:54:11.727416-07:00 INFO kernel: [  426.465787] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
2017-04-20T10:54:11.727421-07:00 INFO kernel: [  426.465798] usb 2-1: Product: Jabra GN1900 USB
2017-04-20T10:54:11.737362-07:00 INFO kernel: [  426.476417] rk3288-dmc ff610000.dmc: suspending DVFS and going to max freq
2017-04-20T10:54:11.737389-07:00 DEBUG kernel: [  426.476888] atmel_mxt_ts 3-004a: GPIO lookup for consumer atmel,reset
2017-04-20T10:54:11.737393-07:00 DEBUG kernel: [  426.476896] atmel_mxt_ts 3-004a: using device tree for GPIO lookup
2017-04-20T10:54:11.737396-07:00 DEBUG kernel: [  426.476917] of_get_named_gpiod_flags exited with status 0
2017-04-20T10:54:11.737398-07:00 DEBUG kernel: [  426.476923] gpio-71 (reset): gpiod_request: status -16
2017-04-20T10:54:11.737401-07:00 INFO kernel: [  426.477045] atmel_mxt_ts 3-004a: reset gpio is busy, deferring probe
2017-04-20T10:54:11.737403-07:00 INFO kernel: [  426.477116] i2c 3-004a: Driver atmel_mxt_ts requests probe deferral
2017-04-20T10:54:11.747363-07:00 INFO kernel: [  426.480402] input: Jabra GN1900 USB as /devices/ff540000.usb/usb2/2-1/2-1:1.3/0003:0B0E:1900.000D/input/input18
2017-04-20T10:54:11.747399-07:00 INFO kernel: [  426.480941] hid-generic 0003:0B0E:1900.000D: input,hidraw0: USB HID v1.00 Device [Jabra GN1900 USB] on usb-ff540000.usb-1/input3
2017-04-20T10:54:11.747404-07:00 DEBUG kernel: [  426.481557] atmel_mxt_ts 3-004a: GPIO lookup for consumer atmel,reset
2017-04-20T10:54:11.747408-07:00 DEBUG kernel: [  426.481566] atmel_mxt_ts 3-004a: using device tree for GPIO lookup
2017-04-20T10:54:11.747411-07:00 DEBUG kernel: [  426.481583] of_get_named_gpiod_flags exited with status 0
2017-04-20T10:54:11.747413-07:00 DEBUG kernel: [  426.481589] gpio-71 (reset): gpiod_request: status -16
2017-04-20T10:54:11.747415-07:00 INFO kernel: [  426.481594] atmel_mxt_ts 3-004a: reset gpio is busy, deferring probe
2017-04-20T10:54:11.747418-07:00 INFO kernel: [  426.481651] i2c 3-004a: Driver atmel_mxt_ts requests probe deferral
2017-04-20T10:54:11.777353-07:00 WARNING kernel: [  426.517460] udevd[4866]: Process '/usr/sbin/alsactl restore 2' failed with exit code 99.
2017-04-20T10:54:11.540731-07:00 ERR cras_server[1630]: No chmap queried!
2017-04-20T10:54:11.908438-07:00 ERR cras_server[1630]: USB card: vendor:0b0e, product:1900, serial num:, checksum:1748fd63
2017-04-20T10:54:13.021753-07:00 ERR cras_server[1630]: Fail to create conversion matrix due to invalid channel layout
2017-04-20T10:54:13.268291-07:00 ERR cras_server[1630]: pcm_avail error Jabra GN1900 USB: USB Audio:2,0, No such device
2017-04-20T10:54:13.277357-07:00 ERR kernel: [  428.008273] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
2017-04-20T10:54:13.277382-07:00 INFO kernel: [  428.008299] usb 2-1: USB disconnect, device number 14
2017-04-20T10:54:13.297365-07:00 INFO kernel: [  428.028116] rk3288-dmc ff610000.dmc: resuming DVFS
2017-04-20T10:54:13.747370-07:00 INFO kernel: [  428.478101] usb 2-1: new full-speed USB device number 15 using dwc2
2017-04-20T10:54:13.401522-07:00 ERR cras_server[1630]: message repeated 4 times: [ pcm_avail error Jabra GN1900 USB: USB Audio:2,0, No such device]
2017-04-20T10:54:13.785891-07:00 ERR cras_server[1630]: No chmap queried!
2017-04-20T10:54:13.907380-07:00 DEBUG kernel: [  428.640609] SELinux: initialized (dev proc, type proc), uses genfs_contexts
2017-04-20T10:54:13.957359-07:00 INFO kernel: [  428.695628] usb 2-1: New USB device found, idVendor=0b0e, idProduct=1900
2017-04-20T10:54:13.957391-07:00 INFO kernel: [  428.695655] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
2017-04-20T10:54:13.957396-07:00 INFO kernel: [  428.695671] usb 2-1: Product: Jabra GN1900 USB
2017-04-20T10:54:13.967370-07:00 INFO kernel: [  428.705870] rk3288-dmc ff610000.dmc: suspending DVFS and going to max freq
2017-04-20T10:54:13.967403-07:00 DEBUG kernel: [  428.706130] atmel_mxt_ts 3-004a: GPIO lookup for consumer atmel,reset
2017-04-20T10:54:13.967407-07:00 DEBUG kernel: [  428.706138] atmel_mxt_ts 3-004a: using device tree for GPIO lookup
2017-04-20T10:54:13.967410-07:00 DEBUG kernel: [  428.706155] of_get_named_gpiod_flags exited with status 0
2017-04-20T10:54:13.967412-07:00 DEBUG kernel: [  428.706162] gpio-71 (reset): gpiod_request: status -16
2017-04-20T10:54:13.967414-07:00 INFO kernel: [  428.706167] atmel_mxt_ts 3-004a: reset gpio is busy, deferring probe
2017-04-20T10:54:13.967417-07:00 INFO kernel: [  428.706224] i2c 3-004a: Driver atmel_mxt_ts requests probe deferral
2017-04-20T10:54:13.977543-07:00 INFO kernel: [  428.709634] input: Jabra GN1900 USB as /devices/ff540000.usb/usb2/2-1/2-1:1.3/0003:0B0E:1900.000E/input/input19
2017-04-20T10:54:13.977586-07:00 INFO kernel: [  428.709981] hid-generic 0003:0B0E:1900.000E: input,hidraw0: USB HID v1.00 Device [Jabra GN1900 USB] on usb-ff540000.usb-1/input3
2017-04-20T10:54:13.977590-07:00 DEBUG kernel: [  428.710371] atmel_mxt_ts 3-004a: GPIO lookup for consumer atmel,reset
2017-04-20T10:54:13.977593-07:00 DEBUG kernel: [  428.710379] atmel_mxt_ts 3-004a: using device tree for GPIO lookup
2017-04-20T10:54:13.977596-07:00 DEBUG kernel: [  428.710399] of_get_named_gpiod_flags exited with status 0
2017-04-20T10:54:13.977598-07:00 DEBUG kernel: [  428.710404] gpio-71 (reset): gpiod_request: status -16
2017-04-20T10:54:13.977600-07:00 INFO kernel: [  428.710409] atmel_mxt_ts 3-004a: reset gpio is busy, deferring probe
2017-04-20T10:54:13.977603-07:00 INFO kernel: [  428.710472] i2c 3-004a: Driver atmel_mxt_ts requests probe deferral
2017-04-20T10:54:14.007348-07:00 WARNING kernel: [  428.739348] udevd[4905]: Process '/usr/sbin/alsactl restore 2' failed with exit code 99.
2017-04-20T10:54:13.790395-07:00 ERR cras_server[1630]: No chmap queried!
2017-04-20T10:54:14.129295-07:00 ERR cras_server[1630]: USB card: vendor:0b0e, product:1900, serial num:, checksum:1748fd63
2017-04-20T10:54:14.357393-07:00 DEBUG kernel: [  429.092288] SELinux: initialized (dev proc, type proc), uses genfs_contexts
2017-04-20T10:54:15.267645-07:00 ERR kernel: [  430.008160] hub 2-0:1.0: port 1 disabled by hub (EMI?), re-enabling...
2017-04-20T10:54:15.267673-07:00 INFO kernel: [  430.008186] usb 2-1: USB disconnect, device number 15


This problem seems to come and go on its own.  Rebooting did not fix it, nor did switching to a different USB port.


As a separate issue, the cras_client error messages in /var/log/messages contain a lot of unnecessary information.  Can we have it omit the chrome command line parameters?

2017-04-20T10:55:48.418991-07:00 DEBUG chrom[1151]: --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=24.0.0.221 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --arc-available --enable-arc --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --enable-hardware-overlays=single-fullscreen --login-profile=user --has-chromeos-keyboard --enable-touchview --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-prefixed-encrypted-media --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=screen_locker=2,webui_screen_locker=2,lock_state_controller=2,webui_login_view=2,power_button_observer=2,*/ui/display/manager/chromeos/*=1,*/ash/display/*=1,*/ui/ozone/*=1,*zygote*=1,*plugin*=2,auto_enrollment_controller=1,*chromeos/login/*=1,*arc/*=1[1151]: cras_client: server_fd_state: wait_for_socket
2017-04-20T10:55:48.419010-07:00 DEBUG chrom[1151]: --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=24.0.0.221 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --arc-available --enable-arc --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --enable-hardware-overlays=single-fullscreen --login-profile=user --has-chromeos-keyboard --enable-touchview --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-prefixed-encrypted-media --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=screen_locker=2,webui_screen_locker=2,lock_state_controller=2,webui_login_view=2,power_button_observer=2,*/ui/display/manager/chromeos/*=1,*/ash/display/*=1,*/ui/ozone/*=1,*zygote*=1,*plugin*=2,auto_enrollment_controller=1,*chromeos/login/*=1,*arc/*=1[1151]: cras_client: server_fd_state: wait_for_writable
2017-04-20T10:55:48.419099-07:00 DEBUG chrom[1151]: --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=24.0.0.221 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --arc-available --enable-arc --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --enable-hardware-overlays=single-fullscreen --login-profile=user --has-chromeos-keyboard --enable-touchview --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-prefixed-encrypted-media --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=screen_locker=2,webui_screen_locker=2,lock_state_controller=2,webui_login_view=2,power_button_observer=2,*/ui/display/manager/chromeos/*=1,*/ash/display/*=1,*/ui/ozone/*=1,*zygote*=1,*plugin*=2,auto_enrollment_controller=1,*chromeos/login/*=1,*arc/*=1[1151]: cras_client: server_fd_state: first_message
2017-04-20T10:55:48.419210-07:00 DEBUG chrom[1151]: --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=24.0.0.221 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --arc-available --enable-arc --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --enable-hardware-overlays=single-fullscreen --login-profile=user --has-chromeos-keyboard --enable-touchview --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-prefixed-encrypted-media --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=screen_locker=2,webui_screen_locker=2,lock_state_controller=2,webui_login_view=2,power_button_observer=2,*/ui/display/manager/chromeos/*=1,*/ash/display/*=1,*/ui/ozone/*=1,*zygote*=1,*plugin*=2,auto_enrollment_controller=1,*chromeos/login/*=1,*arc/*=1[1151]: cras_client: server_fd_state: connected
2017-04-20T10:55:48.427766-07:00 INFO chrom[1151]: --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=24.0.0.221 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --arc-available --enable-arc --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --enable-hardware-overlays=single-fullscreen --login-profile=user --has-chromeos-keyboard --enable-touchview --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-prefixed-encrypted-media --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=screen_locker=2,webui_screen_locker=2,lock_state_controller=2,webui_login_view=2,power_button_observer=2,*/ui/display/manager/chromeos/*=1,*/ash/display/*=1,*/ui/ozone/*=1,*zygote*=1,*plugin*=2,auto_enrollment_controller=1,*chromeos/login/*=1,*arc/*=1[1151]: set rlimit success
2017-04-20T10:55:48.428081-07:00 DEBUG chrom[1151]: --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=24.0.0.221 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --arc-available --enable-arc --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --enable-hardware-overlays=single-fullscreen --login-profile=user --has-chromeos-keyboard --enable-touchview --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-prefixed-encrypted-media --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=screen_locker=2,webui_screen_locker=2,lock_state_controller=2,webui_login_view=2,power_button_observer=2,*/ui/display/manager/chromeos/*=1,*/ash/display/*=1,*/ui/ozone/*=1,*zygote*=1,*plugin*=2,auto_enrollment_controller=1,*chromeos/login/*=1,*arc/*=1[1151]: Set nice to -10 Success.
2017-04-20T10:55:54.097403-07:00 DEBUG kernel: [  528.832487] SELinux: initialized (dev proc, type proc), uses genfs_contexts
2017-04-20T10:55:54.407349-07:00 DEBUG kernel: [  529.145272] SELinux: initialized (dev proc, type proc), uses genfs_contexts
2017-04-20T10:55:58.423934-07:00 INFO chrom[1151]: --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=24.0.0.221 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --arc-available --enable-arc --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --enable-hardware-overlays=single-fullscreen --login-profile=user --has-chromeos-keyboard --enable-touchview --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-prefixed-encrypted-media --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=screen_locker=2,webui_screen_locker=2,lock_state_controller=2,webui_login_view=2,power_button_observer=2,*/ui/display/manager/chromeos/*=1,*/ash/display/*=1,*/ui/ozone/*=1,*zygote*=1,*plugin*=2,auto_enrollment_controller=1,*chromeos/login/*=1,*arc/*=1[1151]: cras_client: remove stream 786432
2017-04-20T10:56:03.425482-07:00 DEBUG chrom[1151]: --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=24.0.0.221 --ui-prioritize-in-gpu-process --use-gl=egl --gpu-sandbox-failures-fatal=yes --gpu-sandbox-start-early --arc-available --enable-arc --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --enable-hardware-overlays=single-fullscreen --login-profile=user --has-chromeos-keyboard --enable-touchview --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-prefixed-encrypted-media --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=screen_locker=2,webui_screen_locker=2,lock_state_controller=2,webui_login_view=2,power_button_observer=2,*/ui/display/manager/chromeos/*=1,*/ash/display/*=1,*/ui/ozone/*=1,*zygote*=1,*plugin*=2,auto_enrollment_controller=1,*chromeos/login/*=1,*arc/*=1[1151]: cras_client: server_fd_state: disconnected