[Xoom Q&A, Help & Troubleshooting] carmelcwxoom:
Here is the log that I can find during the TWRP recovery, hope this help

Starting TWRP 2.6.3.0(RunAndHide05 Edition) on Sun May 25 11:51:21 2014

I:Internal path defined: '/data/media'

I:External path defined: '/sdcard'

I:Backup folder set to '/sdcard/TWRP/BACKUPS/03889241436072d7'

TW_DEFAULT_EXTERNAL_STORAGE := true

I:Mount: Unable to find partition for path '/data'

RECOVERY_SDCARD_ON_DATA := true

TW_NO_USB_STORAGE := true

TW_INCLUDE_CRYPTO := true

I:TW_BRIGHTNESS_PATH := /sys/devices/platform/tegra-i2c.0/i2c-0/0-002c/leds/lcd-backlight/brightness

Starting the UI...Pixel format: 1280x800 @ 32bpp

Pixel format: RGBX_8888

framebuffer: fd 3 (1280 x 800)

=> Linking mtab

=> Processing recovery.fstab

I:Processing '/sdcard'

I:Processing '/system'

I:Processing '/cache'

I:Processing '/data'

I:mount '/data/media' '/emmc' process ended with RC=0

I:mount '/data/media' '/emmc' process ended with RC=0

I:Backup folder set to '/data/media/TWRP/BACKUPS/03889241436072d7'

I:Settings storage is '/data/media'

I:Processing '/misc'

I:Processing '/boot'

I:Processing '/recovery'

Updating partition details...

I:Data backup size is 0MB, size: 4276MB, used: 0MB, free: 4199MB, in data/media: 0MB.

I:Unmounting main partitions...

Partition Logs:

/sdcard | /dev/block/mmcblk0p1 | Size: 3770MB Used: 3141MB Free: 628MB Backup Size: 3141MB

Flags: Can_Be_Mounted Can_Be_Wiped Wipe_Available_in_GUI Removable IsPresent Is_Storage

Primary_Block_Device: /dev/block/mmcblk0p1

Display_Name: sdcard

Storage_Name: sdcard

Backup_Path: /sdcard

Backup_Name: sdcard

Backup_Display_Name: sdcard

Storage_Path: /sdcard

Current_File_System: vfat

Fstab_File_System: vfat

Backup_Method: files

/system | /dev/block/mmcblk1p8 | Size: 1007MB Used: 17MB Free: 990MB Backup Size: 17MB

Flags: Can_Be_Mounted Can_Be_Wiped Can_Be_Backed_Up Wipe_Available_in_GUI IsPresent

Primary_Block_Device: /dev/block/mmcblk1p8

Length: -4096

Display_Name: System

Storage_Name: System

Backup_Path: /system

Backup_Name: system

Backup_Display_Name: System

Storage_Path: /system

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/cache | /dev/block/mmcblk1p9 | Size: 503MB Used: 8MB Free: 495MB Backup Size: 8MB

Flags: Can_Be_Mounted Can_Be_Wiped Can_Be_Backed_Up Wipe_During_Factory_Reset Wipe_Available_in_GUI IsPresent

Primary_Block_Device: /dev/block/mmcblk1p9

Display_Name: Cache

Storage_Name: Cache

Backup_Path: /cache

Backup_Name: cache

Backup_Display_Name: Cache

Storage_Path: /cache

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/data | /dev/block/mmcblk1p11 | Size: 4276MB Used: 0MB Free: 4199MB Backup Size: 0MB

Flags: Can_Be_Mounted Can_Be_Wiped Can_Be_Backed_Up Wipe_During_Factory_Reset Wipe_Available_in_GUI IsPresent Can_Be_Encrypted Has_Data_Media Can_Encrypt_Backup Use_Userdata_Encryption Is_Storage Is_Settings_Storage

Symlink_Path: /data/media

Symlink_Mount_Point: /emmc

Primary_Block_Device: /dev/block/mmcblk1p11

Length: -16384

Display_Name: Data

Storage_Name: Internal Storage

Backup_Path: /data

Backup_Name: data

Backup_Display_Name: Data

Storage_Path: /data/media

Current_File_System: ext4

Fstab_File_System: ext4

Backup_Method: files

/misc | /dev/block/mmcblk1p3 | Size: 2MB

Flags: IsPresent

Primary_Block_Device: /dev/block/mmcblk1p3

Display_Name: misc

Storage_Name: misc

Backup_Path: /misc

Backup_Name: misc

Backup_Display_Name: misc

Storage_Path: /misc

Current_File_System: emmc

Fstab_File_System: emmc

Backup_Method: dd

/boot | /dev/block/mmcblk1p7 | Size: 8MB

Flags: Can_Be_Backed_Up IsPresent

Primary_Block_Device: /dev/block/mmcblk1p7

Display_Name: Boot

Storage_Name: boot

Backup_Path: /boot

Backup_Name: boot

Backup_Display_Name: Boot

Storage_Path: /boot

Current_File_System: emmc

Fstab_File_System: emmc

Backup_Method: dd

/recovery | /dev/block/mmcblk1p6 | Size: 12MB

Flags: Can_Be_Backed_Up IsPresent

Primary_Block_Device: /dev/block/mmcblk1p6

Display_Name: Recovery

Storage_Name: recovery

Backup_Path: /recovery

Backup_Name: recovery

Backup_Display_Name: Recovery

Storage_Path: /recovery

Current_File_System: emmc

Fstab_File_System: emmc

Backup_Method: dd

I:Loading package: TWRP (/script/ui.xml)

I:Loading package: TWRP (/data/media/TWRP/theme/ui.zip)

I:Loading package: TWRP (/res/ui.xml)

I:Loading resources...

I:Loading variables...

I:Loading pages...

I:Loading page main

I:Loading page main2

I:Loading page install

I:Loading page flash_confirm

I:Loading page flash_zip

I:Loading page flash_done

I:Loading page clear_vars

I:Loading page confirm_action

I:Loading page action_page

I:Loading page singleaction_page

I:Loading page action_complete

I:Loading page filecheck

I:Loading page rebootcheck

I:Loading page reboot

I:Loading page selectstorage

I:Loading page mount

I:Loading page usb_mount

I:Loading page usb_umount

I:Loading page wipe

I:Loading page advancedwipe

I:Loading page formatdata

I:Loading page formatdata_confirm

I:Loading page backup

I:Loading page backupname1

I:Loading page backupname2

I:Loading page backupencryption

I:Loading page backupencryption2

I:Loading page checkbackuppassword

I:Loading page backup_run

I:Loading page restore

I:Unable to open '/data/media/TWRP/BACKUPS/03889241436072d7'

I:Loading page restore_read

I:Loading page restore_decrypt

I:Loading page try_restore_decrypt

I:Loading page restore_select

I:Loading page renamebackup

I:Loading page restore_run

I:Loading page settings

I:Loading page timezone

I:Loading page screen

I:Loading page advanced

I:Loading page partsdcard

I:Loading page htcdumlock

I:Loading page lock

I:Loading page filemanagerlist

I:Loading page filemanageroptions

I:Loading page choosedestinationfolder

I:Loading page filemanagerrenamefile

I:Loading page filemanagerrenamefolder

I:Loading page filemanagerchmod

I:Loading page filemanagerconfirm

I:Loading page filemanageracction

I:Loading page decrypt

I:Loading page trydecrypt

I:Loading page terminalfolder

I:Loading page terminalcommand

I:Loading page sideload

I:Loading page installsu

I:Set page: 'clear_vars'

I:Set page: 'main2'

I:Switching packages (TWRP)

Startup Commands: ro.secure=0

ro.allow.mock.location=1

ro.debuggable=1

persist.sys.usb.config=mtp,adb

ro.build.id=IMM76L

ro.build.display.id=full_wingray-eng 4.0.4 IMM76L eng.zach.20130912.214926 test-keys

ro.build.version.incremental=eng.zach.20130912.214926

ro.build.version.sdk=15

ro.build.version.codename=REL

ro.build.version.release=4.0.4

ro.build.date=Thu Sep 12 21:49:44 CDT 2013

ro.build.date.utc=0

ro.build.type=eng

ro.build.user=zach

ro.build.host=ubuntu

ro.build.tags=test-keys

ro.product.model=Full Android on Wingray

ro.product.brand=Android

ro.product.name=full_wingray

ro.product.device=wingray

ro.product.board=

ro.product.cpu.abi=armeabi-v7a

ro.product.cpu.abi2=armeabi

ro.product.manufacturer=unknown

ro.product.locale.language=en

ro.product.locale.region=US

ro.wifi.channels=

ro.board.platform=tegra

ro.build.product=wingray

ro.build.description=full_wingray-eng 4.0.4 IMM76L eng.zach.20130912.214926 test-keys

ro.build.fingerprint=Android/full_wingray/wingray:4.0.4/IMM76L/eng.zach.20130912.214926:eng/test-keys

ro.build.characteristics=tablet

ro.cm.device=wingray

rild.libargs=-d /dev/chnlat10

rild.libpath=/system/lib/libmoto_ril.so

persist.ril.mux.ttydevice=/dev/usb/tty2-1:1.2

persist.ril.mux.noofchannels=8

persist.ril.modem.mode=1

persist.ril.modem.ttydevice=/dev/usb/tty2-1:1.4

ro.telephony.default_network=4

ro.opengles.version=131072

ro.com.android.dateformat=MM-dd-yyyy

wifi.interface=wlan0

wifi.supplicant_scan_interval=15

dalvik.vm.heapstartsize=5m

dalvik.vm.heapgrowthlimit=48m

dalvik.vm.heapsize=256m

ro.kernel.android.checkjni=1

ro.setupwizard.mode=OPTIONAL

dalvik.vm.dexopt-flags=m=y

net.bt.name=Android

net.change=net.bt.name

dalvik.vm.stack-trace-file=/data/anr/traces.txt

ro.factorytest=0

ro.serialno=03889241436072d7

ro.bootmode=unknown

ro.baseband=N_01.83.35P

ro.carrier=wifi-only

ro.bootloader=1048

ro.boot.modelno=MZ600

ro.hardware=stingray

ro.revision=33536

ro.emmc=0

init.svc.recovery=running

service.adb.root=1

init.svc.adbd=running

I:Copying file /cache/recovery/log to /cache/recovery/last_log

I:Attempt to load settings from settings file...

I:Settings file '/data/media/TWRP/.twrps' not found.

I:Copying file /etc/recovery.fstab to /cache/recovery/recovery.fstab

I:Version number saved to '/cache/recovery/.version'

I:Switching packages (TWRP)

I:Set page: 'mount'

I:Set page: 'selectstorage'

I:Set page: 'clear_vars'

I:Set page: 'mount'

I:Set page: 'selectstorage'

I:Set page: 'clear_vars'

I:Set page: 'mount'

I:Set page: 'main'

I:Set page: 'clear_vars'

I:Set page: 'main2'

I:Set page: 'advanced'

I:Set page: 'confirm_action'

I:Set page: 'action_page'

I:Copying file /tmp/recovery.log to /data/media/recovery.log