Version: 47.0.2526.106 and 48.0.2564.116
OS: ChromeOS platform 7520.63.0 and 7647.84.0 respectively.

Description:
Acer C730's are randomly rebooting.

Kernel errors found in logs:
log/messages.2:2016-02-05T14:57:19.005550+00:00 ERR kernel: [   77.757581] iwlwifi 0000:01:00.0: Microcode SW error detected.  Restarting 0x2000000.
log/messages.2:2016-02-05T14:57:19.005582+00:00 ERR kernel: [   77.757605] iwlwifi 0000:01:00.0: CSR values:
log/messages.2:2016-02-05T14:57:19.005592+00:00 ERR kernel: [   77.757618] iwlwifi 0000:01:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
log/messages.2:2016-02-05T14:57:19.005599+00:00 ERR kernel: [   77.757648] iwlwifi 0000:01:00.0:        CSR_HW_IF_CONFIG_REG: 0X40489204
log/messages.2:2016-02-05T14:57:19.005604+00:00 ERR kernel: [   77.757675] iwlwifi 0000:01:00.0:          CSR_INT_COALESCING: 0X8000ff40
log/messages.2:2016-02-05T14:57:19.005610+00:00 ERR kernel: [   77.757703] iwlwifi 0000:01:00.0:                     CSR_INT: 0X80000000
log/messages.2:2016-02-05T14:57:19.005615+00:00 ERR kernel: [   77.757730] iwlwifi 0000:01:00.0:                CSR_INT_MASK: 0X00000000
log/messages.2:2016-02-05T14:57:19.005621+00:00 ERR kernel: [   77.757758] iwlwifi 0000:01:00.0:           CSR_FH_INT_STATUS: 0X00010000
log/messages.2:2016-02-05T14:57:19.005627+00:00 ERR kernel: [   77.757785] iwlwifi 0000:01:00.0:                 CSR_GPIO_IN: 0X00000000
log/messages.2:2016-02-05T14:57:19.005632+00:00 ERR kernel: [   77.757812] iwlwifi 0000:01:00.0:                   CSR_RESET: 0X00000000
log/messages.2:2016-02-05T14:57:19.005638+00:00 ERR kernel: [   77.757840] iwlwifi 0000:01:00.0:                CSR_GP_CNTRL: 0X080403c5
log/messages.2:2016-02-05T14:57:19.005643+00:00 ERR kernel: [   77.757867] iwlwifi 0000:01:00.0:                  CSR_HW_REV: 0X00000144
log/messages.2:2016-02-05T14:57:19.005649+00:00 ERR kernel: [   77.757895] iwlwifi 0000:01:00.0:              CSR_EEPROM_REG: 0X00000000
log/messages.2:2016-02-05T14:57:19.005654+00:00 ERR kernel: [   77.757922] iwlwifi 0000:01:00.0:               CSR_EEPROM_GP: 0X80000000
log/messages.2:2016-02-05T14:57:19.005660+00:00 ERR kernel: [   77.757949] iwlwifi 0000:01:00.0:              CSR_OTP_GP_REG: 0X803a0000
log/messages.2:2016-02-05T14:57:19.005665+00:00 ERR kernel: [   77.757977] iwlwifi 0000:01:00.0:                 CSR_GIO_REG: 0X001f0042
log/messages.2:2016-02-05T14:57:19.005671+00:00 ERR kernel: [   77.758004] iwlwifi 0000:01:00.0:            CSR_GP_UCODE_REG: 0X00000000
log/messages.2:2016-02-05T14:57:19.005677+00:00 ERR kernel: [   77.758031] iwlwifi 0000:01:00.0:           CSR_GP_DRIVER_REG: 0X00000000
log/messages.2:2016-02-05T14:57:19.005682+00:00 ERR kernel: [   77.758058] iwlwifi 0000:01:00.0:           CSR_UCODE_DRV_GP1: 0X00000000
log/messages.2:2016-02-05T14:57:19.005688+00:00 ERR kernel: [   77.758086] iwlwifi 0000:01:00.0:           CSR_UCODE_DRV_GP2: 0X00000000
log/messages.2:2016-02-05T14:57:19.005693+00:00 ERR kernel: [   77.758113] iwlwifi 0000:01:00.0:                 CSR_LED_REG: 0X00000060
log/messages.2:2016-02-05T14:57:19.005699+00:00 ERR kernel: [   77.758141] iwlwifi 0000:01:00.0:        CSR_DRAM_INT_TBL_REG: 0X8807532b
log/messages.2:2016-02-05T14:57:19.005705+00:00 ERR kernel: [   77.758168] iwlwifi 0000:01:00.0:        CSR_GIO_CHICKEN_BITS: 0X27800200
log/messages.2:2016-02-05T14:57:19.005710+00:00 ERR kernel: [   77.758195] iwlwifi 0000:01:00.0:             CSR_ANA_PLL_CFG: 0Xd55555d5
log/messages.2:2016-02-05T14:57:19.005716+00:00 ERR kernel: [   77.758223] iwlwifi 0000:01:00.0:      CSR_MONITOR_STATUS_REG: 0X3c08019d
log/messages.2:2016-02-05T14:57:19.005722+00:00 ERR kernel: [   77.758250] iwlwifi 0000:01:00.0:           CSR_HW_REV_WA_REG: 0X0001001a
log/messages.2:2016-02-05T14:57:19.005727+00:00 ERR kernel: [   77.758278] iwlwifi 0000:01:00.0:        CSR_DBG_HPET_MEM_REG: 0Xffff0000
log/messages.2:2016-02-05T14:57:19.005732+00:00 ERR kernel: [   77.758292] iwlwifi 0000:01:00.0: FH register values:
log/messages.2:2016-02-05T14:57:19.005738+00:00 ERR kernel: [   77.758328] iwlwifi 0000:01:00.0:         FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X07608900
log/messages.2:2016-02-05T14:57:19.005744+00:00 ERR kernel: [   77.758365] iwlwifi 0000:01:00.0:        FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X00750250
log/messages.2:2016-02-05T14:57:19.005750+00:00 ERR kernel: [   77.758401] iwlwifi 0000:01:00.0:                  FH_RSCSR_CHNL0_WPTR: 0X00000000
log/messages.2:2016-02-05T14:57:19.005756+00:00 ERR kernel: [   77.758463] iwlwifi 0000:01:00.0:         FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114
log/messages.2:2016-02-05T14:57:19.005762+00:00 ERR kernel: [   77.758502] iwlwifi 0000:01:00.0:          FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
log/messages.2:2016-02-05T14:57:19.005768+00:00 ERR kernel: [   77.758540] iwlwifi 0000:01:00.0:            FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
log/messages.2:2016-02-05T14:57:19.005774+00:00 ERR kernel: [   77.758585] iwlwifi 0000:01:00.0:    FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
log/messages.2:2016-02-05T14:57:19.005779+00:00 ERR kernel: [   77.758642] iwlwifi 0000:01:00.0:                FH_TSSR_TX_STATUS_REG: 0X07ff0001
log/messages.2:2016-02-05T14:57:19.005860+00:00 ERR kernel: [   77.758684] iwlwifi 0000:01:00.0:                 FH_TSSR_TX_ERROR_REG: 0X00000000
log/messages.2:2016-02-05T14:57:19.005869+00:00 ERR kernel: [   77.758809] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
log/messages.2:2016-02-05T14:57:19.005875+00:00 ERR kernel: [   77.758823] iwlwifi 0000:01:00.0: Status: 0x00000000, count: 6
log/messages.2:2016-02-05T14:57:19.005880+00:00 ERR kernel: [   77.758836] iwlwifi 0000:01:00.0: Loaded firmware version: 25.30.14.0

*Please note, the errors found above repeat dozens of times, one after another, possibly causing the OS to reboot.

Crash Reports found on device:
1456391570,f90a4f1800000000,ChromeOS
1456391909,4373555400000000,ChromeOS
1456407984,79386d5400000000,ChromeOS
1456408226,0e33287000000000,ChromeOS
1456408648,b2eeef1800000000,ChromeOS
1456412080,85d51d5400000000,ChromeOS
1456412368,f64b1d5400000000,ChromeOS
1456412754,4ccf1d5400000000,ChromeOS

What steps will reproduce the problem?
-Unable to reproduce in my test environment.

What is the expected output? What do you see instead?
Device should not randomly reboot.

Please use labels and text to provide additional information.
Logs from multiple Acer C730 devices (PII Protected share)
https://drive.google.com/a/google.com/folderview?id=0B6fESMmJITTNb19oSHpSR00wQVU&usp=sharing