[G2 and Desire Z Android Development] Critical Jeff:
I tried doing a backup right from Rom Manager 3.0 and it gave me the error again but this time made a log.

Starting recovery on Thu Jan 20 17:46:58 2011
framebuffer: fd 4 (480 x 800)
ClockworkMod Recovery v2.5.1.3
Command: "/sbin/recovery"

ro.secure=0
ro.allow.mock.location=1
ro.debuggable=1
persist.service.adb.enable=1
ro.build.id=FRG83
ro.build.display.id=htc_vision-eng 2.2.1 FRG83 eng.koush.20101127.210031 test-keys
ro.build.version.incremental=eng.koush.20101127.210031
ro.build.version.sdk=8
ro.build.version.codename=REL
ro.build.version.release=2.2.1
ro.build.date=Sat Nov 27 21:00:53 PST 2010
ro.build.date.utc=0
ro.build.type=eng
ro.build.user=koush
ro.build.host=Koushik-OSx86.local
ro.build.tags=test-keys
ro.product.model=HTC Vision
ro.product.brand=generic
ro.product.name=htc_vision
ro.product.device=vision
ro.product.board=vision
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=HTC
ro.product.locale.language=en
ro.product.locale.region=US
ro.wifi.channels=
ro.board.platform=msm7x30
ro.build.product=vision
ro.build.description=htc_vision-eng 2.2.1 FRG83 eng.koush.20101127.210031 test-keys
ro.build.fingerprint=generic/htc_vision/vision/vision:2.2.1/FRG83/eng.koush.20101127.210031:eng/test-keys
ro.sf.lcd_density=240
debug.fb.rgb565=0
ro.gsm.2nd_data_retry_config=max_retries=3, 2000, 2000, 2000
rild.libpath=/system/lib/librilswitch.so
rilswitch.vendorlibpath=/system/lib/libhtc_ril.so
rilswitch.ganlibpath=/system/lib/libganril.so
ro.ril.enable.a53=1
ro.ril.enable.dtm=0
ro.ril.gprsclass=10
ro.ril.hsdpa.category=10
ro.ril.hsupa.category=6
ro.ril.hsxpa=2
ro.ril.def.agps.feature=1
ro.ril.disable.fd.plmn.prefix=23402,23410,23411
ro.ril.enable.sdr=0
ro.ril.enable.gea3=0
ro.telephony.default_network=0
wifi.interface=eth0
wifi.supplicant_scan_interval=15
mobiledata.interfaces=rmnet0,rmnet1,rmnet2
ro.opengles.version=131072
dalvik.vm.heapsize=32m
ro.ril.def.agps.mode=2
ro.ril.disable.power.collapse=1
ro.com.google.clientidbase=android-tmobile-us
ro.com.google.clientidbase.vs=android-hms-tmobile-us
ro.com.google.clientidbase.ms=android-hms-tmobile-us
ro.com.google.locationfeatures=1
ro.com.google.networklocation=1
ro.com.google.gmsversion=2.2_r5
ro.setupwizard.enable_bypass=1
dalvik.vm.lockprof.threshold=500
dalvik.vm.dexopt-flags=m=y
media.a1026.nsForVoiceRec=0
media.a1026.enableA1026=1
htc.audio.alt.enable=0
htc.audio.hac.enable=0
keyguard.no_require_sim=true
ro.config.notification_sound=pixiedust.ogg
ro.config.alarm_alert=Alarm_Beep_03.ogg
media.stagefright.enable-player=true
media.stagefright.enable-meta=true
media.stagefright.enable-scan=true
media.stagefright.enable-http=true
ro.kernel.android.checkjni=0
ro.setupwizard.mode=OPTIONAL
net.bt.name=Android
net.change=net.bt.name
dalvik.vm.stack-trace-file=/data/anr/traces.txt
ro.factorytest=0
ro.serialno=HT0A4R203833
ro.bootmode=recovery
ro.baseband=26.03.02.26_M
ro.carrier=TMUS
ro.bootloader=0.76.2000
ro.hardware=vision
ro.revision=128
ro.emmc=1
init.svc.recovery=running
init.svc.adbd=running

I:Checking for extendedcommand...
I:Running extendedcommand...
Waiting for SD Card to mount (20s)
SD Card mounted...
I:Running script:
I:
print "ROM Manager Version 3.0.0.7"
backup_rom /sdcard/clockworkmod/backup/2011-01-20-12.46.36

Parsed /tmp/extendedcommand
calling command print
ROM Manager Version 3.0.0.7
calling command backup_rom
SD Card space free: 5508MB
Backing up boot...
Backing up recovery...
Backing up system...
Failed to mount /dev/block/mmcblk0p25 on /system: Invalid argument
Can't mount /system/!
Failure at line 2:
backup_rom /sdcard/clockworkmod/backup/2011-01-20-12.46.36