[0000.125] [L4T TegraBoot] (version 00.00.2018.01-l4t-e82258de) [0000.130] Processing in cold boot mode Bootloader 2 [0000.135] A02 Bootrom Patch rev = 1023 [0000.138] Power-up reason: pmc por [0000.141] No Battery Present [0000.144] pmic max77620 reset reason [0000.147] pmic max77620 NVERC : 0x40 [0000.151] RamCode = 0 [0000.153] Platform has DDR4 type RAM [0000.156] max77620 disabling SD1 Remote Sense [0000.161] Setting DDR voltage to 1125mv [0000.165] Serial Number of Pmic Max77663: 0x212972 [0000.172] Entering ramdump check [0000.175] Get RamDumpCarveOut = 0x0 [0000.179] RamDumpCarveOut=0x0, RamDumperFlag=0xe59ff3f8 [0000.184] Last reboot was clean, booting normally! [0000.188] Sdram initialization is successful [0000.192] SecureOs Carveout Base=0x00000000ff800000 Size=0x00800000 [0000.199] Lp0 Carveout Base=0x00000000ff780000 Size=0x00001000 [0000.204] BpmpFw Carveout Base=0x00000000ff700000 Size=0x00080000 [0000.210] GSC1 Carveout Base=0x00000000ff600000 Size=0x00100000 [0000.216] GSC2 Carveout Base=0x00000000ff500000 Size=0x00100000 [0000.222] GSC4 Carveout Base=0x00000000ff400000 Size=0x00100000 [0000.228] GSC5 Carveout Base=0x00000000ff300000 Size=0x00100000 [0000.234] GSC3 Carveout Base=0x000000017f300000 Size=0x00d00000 [0000.250] RamDump Carveout Base=0x00000000ff280000 Size=0x00080000 [0000.256] Platform-DebugCarveout: 0 [0000.259] Nck Carveout Base=0x00000000ff080000 Size=0x00200000 [0000.265] Non secure mode, and RB not enabled. [0000.269] BoardID = 3448, SKU = 0x0 [0000.272] QSPI-ONLY: SkipQspiOnlyFlag = 0 [0000.276] Nano-SD: checking PT table on QSPI ... [0000.281] Read PT from (2:0) [0000.296] Using BFS PT to query partitions [0000.302] Loading Tboot-CPU binary [0000.330] Verifying TBC in OdmNonSecureSBK mode [0000.340] Bootloader load address is 0xa0000000, entry address is 0xa0000258 [0000.347] Bootloader downloaded successfully. [0000.351] Downloaded Tboot-CPU binary to 0xa0000258 [0000.356] MAX77620_GPIO5 configured [0000.359] CPU power rail is up [0000.362] CPU clock enabled [0000.366] Performing RAM repair [0000.369] Updating A64 Warmreset Address to 0xa00002e9 [0000.374] BoardID = 3448, SKU = 0x0 [0000.377] QSPI-ONLY: SkipQspiOnlyFlag = 0 [0000.381] Nano-SD: checking PT table on QSPI ... [0000.385] Loading NvTbootBootloaderDTB [0000.452] Verifying NvTbootBootloaderDTB in OdmNonSecureSBK mode [0000.532] Bootloader DTB Load Address: 0x83000000 [0000.536] BoardID = 3448, SKU = 0x0 [0000.540] QSPI-ONLY: SkipQspiOnlyFlag = 0 [0000.543] Nano-SD: checking PT table on QSPI ... [0000.548] Loading NvTbootKernelDTB [0000.614] Verifying NvTbootKernelDTB in OdmNonSecureSBK mode [0000.693] Kernel DTB Load Address: 0x83100000 [0000.698] BoardID = 3448, SKU = 0x0 [0000.701] QSPI-ONLY: SkipQspiOnlyFlag = 0 [0000.705] Nano-SD: checking PT table on QSPI ... [0000.711] Loading cboot binary [0000.827] Verifying EBT in OdmNonSecureSBK mode [0000.868] Bootloader load address is 0x92c00000, entry address is 0x92c00258 [0000.875] Bootloader downloaded successfully. [0000.880] BoardID = 3448, SKU = 0x0 [0000.883] QSPI-ONLY: SkipQspiOnlyFlag = 0 [0000.887] Nano-SD: checking PT table on QSPI ... [0000.891] PT: Partition NCT NOT found ! [0000.895] Warning: Find Partition via PT Failed [0000.899] Next binary entry address: 0x92c00258 [0000.904] BoardId: 3448 [0000.908] Overriding pmu board id with proc board id [0000.913] Display board id is not available [0000.917] BoardID = 3448, SKU = 0x0 [0000.921] QSPI-ONLY: SkipQspiOnlyFlag = 0 [0000.924] Nano-SD: checking PT table on QSPI ... [0001.029] Verifying SC7EntryFw in OdmNonSecureSBK mode [0001.089] /bpmp deleted [0001.091] SC7EntryFw header found loaded at 0xff700000 [0001.286] OVR2 PMIC [0001.288] Bpmp FW successfully loaded [0001.292] BoardID = 3448, SKU = 0x0 [0001.295] QSPI-ONLY: SkipQspiOnlyFlag = 0 [0001.299] Nano-SD: checking PT table on QSPI ... [0001.304] WB0 init successfully at 0xff780000 [0001.308] Set NvDecSticky Bits [0001.312] GSC2 address ff53fffc value c0edbbcc [0001.318] GSC MC Settings done [0001.321] BoardID = 3448, SKU = 0x0 [0001.324] QSPI-ONLY: SkipQspiOnlyFlag = 0 [0001.328] Nano-SD: checking PT table on QSPI ... [0001.334] TOS Image length 53680 [0001.337] Monitor size 53680 [0001.339] OS size 0 [0001.355] Secure Os AES-CMAC Verification Success! [0001.359] TOS image cipher info: plaintext [0001.363] Loading and Validation of Secure OS Successful [0001.379] SC7 Entry Firmware - 0xff700000, 0x4000 [0001.384] NvTbootPackSdramParams: start. [0001.389] NvTbootPackSdramParams: done. [0001.392] Tegraboot started after 51827 us [0001.396] Basic modules init took 900014 us [0001.400] Sec Bootdevice Read Time = 12 ms, Read Size = 61 KB [0001.406] Sec Bootdevice Write Time = 0 ms, Write Size = 0 KB [0001.411] Next stage binary read took 102860 us [0001.416] Carveout took -126358 us [0001.419] CPU initialization took 497948 us [0001.423] Total time taken by TegraBoot 1374464 us [0001.428] Starting CPU & Halting co-processor 64NOTICE: BL31: v1.3(release):5b49e7f80 NOTICE: BL31: Built : 08:37:40, Feb 19 2021 ERROR: Error initializing runtime service trusty_fast [0001.550] RamCode = 0 [0001.552] get_emc_table_offset: Can't find emc-table node [0001.557] LPDDR4 Training: Can't find emc-table node [0001.603] [0001.604] Debug Init done [0001.607] Marked DTB cacheable [0001.610] Bootloader DTB loaded at 0x83000000 [0001.614] Marked DTB cacheable [0001.617] Kernel DTB loaded at 0x83100000 [0001.621] DeviceTree Init done [0001.634] Pinmux applied successfully [0001.639] gicd_base: 0x50041000 [0001.642] gicc_base: 0x50042000 [0001.645] Interrupts Init done [0001.649] Using base:0x60005090 & irq:208 for tick-timer [0001.654] Using base:0x60005098 for delay-timer [0001.659] platform_init_timer: DONE [0001.662] Timer(tick) Init done [0001.666] osc freq = 38400 khz [0001.670] [0001.671] Welcome to L4T Cboot [0001.674] [0001.675] Cboot Version: 00.00.2018.01-t210-39562017 [0001.680] calling constructors [0001.683] initializing heap [0001.686] initializing threads [0001.689] initializing timers [0001.692] creating bootstrap completion thread [0001.696] top of bootstrap2() [0001.699] CPU: ARM Cortex A57 [0001.702] CPU: MIDR: 0x411FD071, MPIDR: 0x80000000 [0001.706] initializing platform [0001.714] Manufacturer: MF = 0xc2, ID MSB = 0x25 [0001.718] ID LSB = 0x36, ID-CFI len = 194 bytes [0001.723] Macronix QSPI chip present [0001.726] SPI device register [0001.729] init boot device [0001.732] allocating memory for boot device(SPI) [0001.736] registering boot device [0001.745] QSPI bdev is already initialized [0001.749] Enable APE clock [0001.751] Un-powergate APE partition [0001.755] of_register: registering tegra_udc to of_hal [0001.760] of_register: registering inv20628-driver to of_hal [0001.766] of_register: registering ads1015-driver to of_hal [0001.771] of_register: registering lp8557-bl-driver to of_hal [0001.777] of_register: registering bq2419x_charger to of_hal [0001.783] of_register: registering bq27441_fuel_gauge to of_hal [0001.794] gpio framework initialized [0001.798] of_register: registering tca9539_gpio to of_hal [0001.803] of_register: registering tca9539_gpio to of_hal [0001.808] of_register: registering i2c_bus_driver to of_hal [0001.814] of_register: registering i2c_bus_driver to of_hal [0001.819] of_register: registering i2c_bus_driver to of_hal [0001.825] pmic framework initialized [0001.828] of_register: registering max77620_pmic to of_hal [0001.834] regulator framework initialized [0001.838] of_register: registering tps65132_bl_driver to of_hal [0001.844] initializing target [0001.850] gpio_driver_register: register 'tegra_gpio_driver' driver [0001.858] board ID = D78, board SKU = 0 [0001.861] Skipping Z3! [0001.866] fixed regulator driver initialized [0001.885] initializing OF layer [0001.888] NCK carveout not present [0001.891] Skipping dts_overrides [0001.896] of_children_init: Ops found for compatible string nvidia,tegra210-i2c [0001.913] I2C Bus Init done [0001.915] of_children_init: Ops found for compatible string nvidia,tegra210-i2c [0001.926] I2C Bus Init done [0001.928] of_children_init: Ops found for compatible string nvidia,tegra210-i2c [0001.939] I2C Bus Init done [0001.941] of_children_init: Ops found for compatible string nvidia,tegra210-i2c [0001.952] I2C Bus Init done [0001.954] of_children_init: Ops found for compatible string nvidia,tegra210-i2c [0001.965] I2C Bus Init done [0001.967] of_children_init: Ops found for compatible string maxim,max77620 [0001.978] max77620_init using irq 118 [0001.983] register 'maxim,max77620' pmic [0001.987] gpio_driver_register: register 'max77620-gpio' driver [0001.993] of_children_init: Ops found for compatible string nvidia,tegra210-i2c [0002.004] I2C Bus Init done [0002.007] NCK carveout not present [0002.017] Find /i2c@7000c000's alias i2c0 [0002.021] get eeprom at 1-a0, size 256, type 0 [0002.030] Find /i2c@7000c500's alias i2c2 [0002.034] get eeprom at 3-a0, size 256, type 0 [0002.038] get eeprom at 3-ae, size 256, type 0 [0002.043] pm_ids_update: Updating 1,a0, size 256, type 0 [0002.048] I2C slave not started [0002.051] I2C write failed [0002.054] Writing offset failed [0002.057] eeprom_init: EEPROM read failed [0002.061] pm_ids_update: eeprom init failed [0002.065] pm_ids_update: Updating 3,a0, size 256, type 0 [0002.095] pm_ids_update: The pm board id is 3448-0000-402 [0002.102] Adding plugin-manager/ids/3448-0000-402=/i2c@7000c500:module@0x50 [0002.110] pm_ids_update: pm id update successful [0002.115] pm_ids_update: Updating 3,ae, size 256, type 0 [0002.145] pm_ids_update: The pm board id is 3449-0000-400 [0002.151] Adding plugin-manager/ids/3449-0000-400=/i2c@7000c500:module@0x57 [0002.159] pm_ids_update: pm id update successful [0002.190] eeprom_get_mac: EEPROM invalid MAC address (all 0xff) [0002.195] shim_eeprom_update_mac:267: Failed to update 0 MAC address in DTB [0002.203] eeprom_get_mac: EEPROM invalid MAC address (all 0xff) [0002.209] shim_eeprom_update_mac:267: Failed to update 1 MAC address in DTB [0002.217] updating /chosen/nvidia,ethernet-mac node 48:b0:2d:c1:50:aa [0002.224] Plugin Manager: Parse ODM data 0x000a4000 [0002.237] shim_cmdline_install: /chosen/bootargs: earlycon=uart8250,mmio32,0x70006000 [0002.252] Find /i2c@7000c000's alias i2c0 [0002.256] get eeprom at 1-a0, size 256, type 0 [0002.265] Find /i2c@7000c500's alias i2c2 [0002.269] get eeprom at 3-a0, size 256, type 0 [0002.273] get eeprom at 3-ae, size 256, type 0 [0002.277] pm_ids_update: Updating 1,a0, size 256, type 0 [0002.283] I2C slave not started [0002.286] I2C write failed [0002.288] Writing offset failed [0002.291] eeprom_init: EEPROM read failed [0002.295] pm_ids_update: eeprom init failed [0002.299] pm_ids_update: Updating 3,a0, size 256, type 0 [0002.330] pm_ids_update: The pm board id is 3448-0000-402 [0002.336] Adding plugin-manager/ids/3448-0000-402=/i2c@7000c500:module@0x50 [0002.343] pm_ids_update: pm id update successful [0002.347] pm_ids_update: Updating 3,ae, size 256, type 0 [0002.377] pm_ids_update: The pm board id is 3449-0000-400 [0002.384] Adding plugin-manager/ids/3449-0000-400=/i2c@7000c500:module@0x57 [0002.391] pm_ids_update: pm id update successful [0002.421] Add serial number:1425022035902 as DT property [0002.429] Applying platform configs [0002.436] platform-init is not present. Skipping [0002.440] calling apps_init() [0002.446] Couldn't find GPT header [0002.450] Proceeding to Cold Boot [0002.454] starting app android_boot_app [0002.457] Device state: unlocked [0002.461] display console init [0002.469] could not find regulator [0002.472] hdmi cable connected [0002.488] edid read success [0002.505] DT entry for leds-pwm not found [0002.509] edid read success [0002.512] width = 640, height = 480, frequency = 25174825 [0002.517] width = 640, height = 480, frequency = 25174825 [0002.522] width = 640, height = 480, frequency = 25174825 [0002.528] width = 640, height = 480, frequency = 25174825 [0002.533] width = 1920, height = 1080, frequency = 148500000 [0002.539] width = 1920, height = 1080, frequency = 148500000 [0002.544] width = 640, height = 480, frequency = 25174825 [0002.550] width = 720, height = 480, frequency = 26973026 [0002.555] width = 720, height = 480, frequency = 26973026 [0002.560] width = 1280, height = 720, frequency = 74175824 [0002.566] width = 1920, height = 1080, frequency = 148351648 [0002.572] width = 720, height = 576, frequency = 26973026 [0002.577] width = 720, height = 576, frequency = 26973026 [0002.582] width = 1280, height = 720, frequency = 74175824 [0002.588] width = 1920, height = 1080, frequency = 148351648 [0002.593] Best mode Width = 1920, Height = 1080, freq = 148351648 [0002.601] tmds-config node not found [0002.605] pmc_set_io_pad_voltage: Error -2 retrieving platform-io-pad-voltagepropsetting 'avdd-io-hdmi-dp' regulator to 1050000 micro volts [0002.620] setting 'vdd-1v8' regulator to 1800000 micro volts [0002.628] could not find regulator [0002.631] could not find regulator [0002.634] could not find regulator [0002.663] using default cmu settings [0002.666] dc_hdmi_enable, starting HDMI initialisation [0002.672] dc_hdmi_enable, HDMI initialisation complete [0002.677] list and configure display window [0002.686] display console init completed [0002.697] subnode volume_up is not found ! [0002.701] subnode back is not found ! [0002.705] subnode volume_down is not found ! [0002.709] subnode menu is not found ! [0002.713] Gpio keyboard init success [0002.793] found decompressor handler: lz4-legacy [0002.808] decompressing blob (type 1)... [0002.878] load_bmp_blob: panelresolution=1080 type=3 [0002.952] decompressor handler not found [0002.956] load_firmware_blob: Firmware blob loaded, entries=2 [0002.962] XUSB blob version 0 size 124416 @ 0x934ae28c [0002.968] -------> se_aes_verify_sbk_clear: 747 [0002.972] se_aes_verify_sbk_clear: Error [0002.976] SE operation failed [0002.979] bl_battery_charging: connected to external power supply [0002.991] device_query_partition_size: failed to open partition spiflash0:MSC ! [0002.999] MSC Partition not found [0003.005] device_query_partition_size: failed to open partition spiflash0:USP ! [0003.012] USP partition read failed! [0003.016] blob_init: blob-partition USP header read failed [0003.021] android_boot Unable to update recovery partition [0003.027] kfs_getpartname: name = LNX [0003.030] Loading kernel from LNX [0003.040] Found 19 BFS partitions in "spiflash0" [0003.357] load kernel from storage [0003.362] decompressor handler not found [0003.625] Successfully loaded kernel and ramdisk images [0003.631] board ID = D78, board SKU = 0 [0003.635] sdmmc node status = okay [0003.639] sdcard instance = 0 [0003.641] sdcard gpio handle 0x5a [0003.645] sdcard gpio pin 0xc9 [0003.648] sdcard gpio flags 0x0 [0003.651] vmmc-supply 0x9d [0003.653] cd_gpio_pin = 201 [0003.656] pin_state = 0 [0003.658] Found sdcard [0003.660] SD-card IS present ... [0003.664] load_and_boot_kernel: SD card detected OK [0003.669] load_bmp_blob: panelresolution=1080 type=3 [0004.166] display bmp image done [0004.169] NCK carveout not present [0004.172] Skipping dts_overrides [0004.175] NCK carveout not present [0004.185] Find /i2c@7000c000's alias i2c0 [0004.189] get eeprom at 1-a0, size 256, type 0 [0004.198] Find /i2c@7000c500's alias i2c2 [0004.202] get eeprom at 3-a0, size 256, type 0 [0004.206] get eeprom at 3-ae, size 256, type 0 [0004.210] pm_ids_update: Updating 1,a0, size 256, type 0 [0004.216] I2C slave not started [0004.219] I2C write failed [0004.221] Writing offset failed [0004.224] eeprom_init: EEPROM read failed [0004.228] pm_ids_update: eeprom init failed [0004.232] pm_ids_update: Updating 3,a0, size 256, type 0 [0004.263] pm_ids_update: The pm board id is 3448-0000-402 [0004.269] Adding plugin-manager/ids/3448-0000-402=/i2c@7000c500:module@0x50 [0004.278] pm_ids_update: pm id update successful [0004.283] pm_ids_update: Updating 3,ae, size 256, type 0 [0004.313] pm_ids_update: The pm board id is 3449-0000-400 [0004.319] Adding plugin-manager/ids/3449-0000-400=/i2c@7000c500:module@0x57 [0004.327] pm_ids_update: pm id update successful [0004.357] eeprom_get_mac: EEPROM invalid MAC address (all 0xff) [0004.363] shim_eeprom_update_mac:267: Failed to update 0 MAC address in DTB [0004.371] eeprom_get_mac: EEPROM invalid MAC address (all 0xff) [0004.377] shim_eeprom_update_mac:267: Failed to update 1 MAC address in DTB [0004.385] updating /chosen/nvidia,ethernet-mac node 48:b0:2d:c1:50:aa [0004.392] Plugin Manager: Parse ODM data 0x000a4000 [0004.405] shim_cmdline_install: /chosen/bootargs: earlycon=uart8250,mmio32,0x70006000 [0004.413] Add serial number:1425022035902 as DT property [0004.423] "bpmp" doesn't exist, creating [0004.428] Updated bpmp info to DTB [0004.433] Updated initrd info to DTB [0004.436] "proc-board" doesn't exist, creating [0004.443] Updated board info to DTB [0004.446] "pmu-board" doesn't exist, creating [0004.452] Updated board info to DTB [0004.456] "display-board" doesn't exist, creating [0004.462] Updated board info to DTB [0004.465] "reset" doesn't exist, creating [0004.470] Updated reset info to DTB [0004.473] Cmdline: tegraid=21.1.2.0.0 ddr_die=4096M@2048M section=512M memtype=0 vpr_resize usb_port_owner_info=0 lane_owner_info=0 emc_max_dvfs=0 touch_id=0@63 video=tegrafb no_console_suspend=1 console=ttyS0,115200n8 debug_uartport=lsport,4 earlyprintk=uart8250-32bit,0x70006000 maxcpus=4 usbcore.old_scheme_first=1 lp0_vec=0x1000@0xff780000 core_edp_mv=1125 core_edp_ma=4000 gpt tegra_fbmem=0x800000@0x92ca9000 is_hdmi_initialised=1 [0004.512] DTB cmdline: earlycon=uart8250,mmio32,0x70006000 [0004.518] boot image cmdline: root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0 [0004.531] Updated bootarg info to DTB [0004.535] Adding uuid 00000001642d07c908000000090302c0 to DT [0004.541] Adding eks info 0 to DT [0004.546] WARNING: Failed to pass NS DRAM ranges to TOS, err: -7 [0004.552] Updated memory info to DTB [0004.560] set vdd_core voltage to 1125 mv [0004.564] setting 'vdd-core' regulator to 1125000 micro volts [0004.570] Found secure-pmc; disable BPMP U-Boot 2020.04-g6b630d64fd (Feb 19 2021 - 08:37:45 -0800) SoC: tegra210 Model: NVIDIA Jetson Nano 2GB Developer Kit Board: NVIDIA P3541-0000 DRAM: 4 GiB MMC: sdhci@700b0000: 1, sdhci@700b0600: 0 Loading Environment from SPI Flash... SF: Detected mx25u3235f with page size 256 Bytes, erase size 4 KiB, total 4 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: No ethernet found. Hit any key to stop autoboot: 0 switch to partitions #0, OK mmc1 is current device Scanning mmc 1:1... Found /boot/extlinux/extlinux.conf Retrieving file: /boot/extlinux/extlinux.conf 845 bytes read in 27 ms (30.3 KiB/s) 1: primary kernel Retrieving file: /boot/initrd 7159624 bytes read in 331 ms (20.6 MiB/s) Retrieving file: /boot/Image 34484232 bytes read in 1507 ms (21.8 MiB/s) append: tegraid=21.1.2.0.0 ddr_die=4096M@2048M section=512M memtype=0 vpr_resize usb_port_owner_info=0 lane_owner_info=0 emc_max_dvfs=0 touch_id=0@63 video=tegrafb no_console_suspend=1 console=ttyS0,115200n8 debug_uartport=lsport,4 earlyprintk=uart8250-32bit,0x70006000 maxcpus=4 usbcore.old_scheme_first=1 lp0_vec=0x1000@0xff780000 core_edp_mv=1125 core_edp_ma=4000 gpt tegra_fbmem=0x800000@0x92ca9000 is_hdmi_initialised=1 earlycon=uart8250,mmio32,0x70006000 root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0 quiet root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0 ## Flattened Device Tree blob at 83100000 Booting using the fdt blob at 0x83100000 ERROR: reserving fdt memory region failed (addr=0 size=0) ERROR: reserving fdt memory region failed (addr=0 size=0) Using Device Tree in place at 0000000083100000, end 00000000831843cf copying carveout for /host1x@50000000/dc@54200000... copying carveout for /host1x@50000000/dc@54240000... Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.9.253-tegra (buildbrain@mobile-u64-5434-d8000) (gcc version 7.3.1 20180425 [linaro-7.3-2018.05 revision d29120a424ecfbc167ef90065c0eeb7f91977701] (Linaro GCC 7.3-2018.05) ) #1 SMP PREEMPT Sat Feb 19 08:59:22 PST 2022 [ 0.000000] Boot CPU: AArch64 Processor [411fd071] [ 0.000000] OF: fdt:memory scan node memory@80000000, reg size 32, [ 0.000000] OF: fdt: - 80000000 , 7ee00000 [ 0.000000] OF: fdt: - 100000000 , 7f200000 [ 0.000000] Found tegra_fbmem: 00800000@92ca9000 [ 0.000000] earlycon: uart8250 at MMIO32 0x0000000070006000 (options '') [ 0.000000] bootconsole [uart8250] enabled