It's installed Debian Sid which is my SDHC.When i run "apt-get dist-upgrade",in this time power off. when i poweron ,i see my SDHC is borcken.
now i run -> #fdisk /dev/sdb show:Unable to read /dev/sdb
#gpart /dev/sdb show:*** Fatal error: cannot
get sector size on dev(/dev/sdb)
#gpart /dev/sdb -s 63 show:*** Fatal error: failed
trying to use sector size 63.
#cat /dev/sdb | less show:cat: /dev/sdb: io error
who can help me!!!!~~~~
