On Thu, Feb 26, 2015 at 07:58:13PM +0100, Csányi Pál wrote: > > 1: Your SD card is damaged / broken. To test this, try it in > > a known-working reader. Note that Windows will not understand Linux / > > RPi partitions (but should be able to at least see the boot partition). > > I can mount it's first partition, that with FAT32 type filesystem. > I can't only format it's second partition, with ex4 type filesystem. > > Still does it mean that the uSD card is damaged? If when you attempt to do an operation on it, you get IO errors in dmesg, yes, that means your card OR card reader OR card adapter is broken. If it is partition-specific, I would assume that it is the card that is broken. --Sean
