On Mon, 31 Dec 2007, Bruce Schultz wrote: > Hi, > > I have a USB SD card reader which has never worked properly and finally got me > annoyed enough to try to do something about it. Using a 2.6.22 kernel > (gentoo), I get the following output in dmesg when I plug it in (with a 128MB > SD card inserted): > > sd 8:0:0:0: [sdb] 248320 512-byte hardware sectors (127 MB) > sd 8:0:0:0: [sdb] Write Protect is off > sd 8:0:0:0: [sdb] Mode Sense: 03 00 00 00 > sd 8:0:0:0: [sdb] Assuming drive cache: write through > sd 8:0:0:0: [sdb] 248320 512-byte hardware sectors (127 MB) > sd 8:0:0:0: [sdb] Write Protect is off > sd 8:0:0:0: [sdb] Mode Sense: 03 00 00 00 > sd 8:0:0:0: [sdb] Assuming drive cache: write through > sdb: sdb1 > end_request: I/O error, dev sdb, sector 248313 ... > After a bit of googling, I tried patching unusual_devs.h, which got me far > enough to be able to mount /dev/sdb1 and I seem to be able to read/write to > the SD card, but with errors in the dmesg output still. So I guess I'm on the > right track, but maybe there's something else I'm missing? Any pointers out > there?
You need to do a low-level format of the card. Delete and then recreate the first partition. And then of course you'll have to recreate the VFAT filesystem on it. Alan Stern - To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
