Bug#437351: linux-image-2.6.21-2-686: sdc: Write Protect is on

[jidanni@jidanni.org]

And lately lots of
sd 2:0:0:2: [sdg] Sense Key : Medium Error [current] 
sd 2:0:0:2: [sdg] Add. Sense: Unrecovered read error
end_request: I/O error, dev sdg, sector 1950720
Buffer I/O error on device sdg, logical block 1950720