I get this error code when trying to use my Raspberry Pi for the first time: PANIC: VFS: Unable to mount root fs on unknown-block(172,2) Entering kdb (current=0xdb82ac80, pid 1) due to keyboard entry kdb>
I get this error code when trying to use my Raspberry Pi for the first time: PANIC: VFS: Unable to mount root fs on unknown-block(172,2) Entering kdb (current=0xdb82ac80, pid 1) due to keyboard entry kdb>
Sounds like your SD card got corrupted somehow: http://www.raspberrypi.org/phpBB3/viewtopic.php?t=12245&p=140749
Seems like the answer is to format and try again (or run fsck.exe).