New project, window based for iPad, saved and then hit 'build & run' right after XCode is done. Then I get this, and no running app.

Warnings on device, not simulator

[Session started at 2010-12-18 03:40:41 +0100.]
GNU gdb 6.3.50-20050815 (Apple version gdb-1510) (Fri Oct 22 04:12:10 UTC 2010)
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This GDB was configured as "--host=i386-apple-darwin --target=arm-apple-darwin".tty /dev/ttys000
Loading program into debugger…
warning: unable to read commpage data
Program loaded.
target remote-mobile /tmp/.XcodeGDBRemote-21177-53
Switching to remote-macosx protocol
mem 0x1000 0x3fffffff cache
mem 0x40000000 0xffffffff none
mem 0x00000000 0x0fff none
run
Running…
[Switching to thread 11523]
[Switching to thread 11523]
sharedlibrary apply-load-rules all
continue
unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: unable to load symbol file: warning: Unable to read symbols for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.2.1 (8C148)/Symbols/usr/lib/info/dns.so (file not found).
warning: UUID mismatch detected with the loaded library - on disk is:
	/Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.2.1 (8C148)/Symbols/System/Library/PrivateFrameworks/MobileKeyBag.framework/MobileKeyBag
warning: UUID mismatch detected with the loaded library - on disk is:
	/Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.2.1 (8C148)/Symbols/System/Library/Frameworks/AudioToolbox.framework/AudioToolbox
warning: UUID mismatch detected with the loaded library - on disk is:
	/Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.2.1 (8C148)/Symbols/usr/lib/libAccessibility.dylib
warning: UUID mismatch detected with the loaded library - on disk is:
	/Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.2.1 (8C148)/Symbols/System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/libLAPACK.dylib