I tested it with the latest knoppix, same problem. CE: hpet increasing min_delta_ns to 15000 nsec

Buffer I/O error on device sdb, logical block 10 Buffer I/O error on device sdb, logical block 9 Buffer I/O error on device sdb, logical block 8 Buffer I/O error on device sdb, logical block 7 Buffer I/O error on device sdb, logical block 6 Buffer I/O error on device sdb, logical block 5 Buffer I/O error on device sdb, logical block 4 Buffer I/O error on device sdb, logical block 3 Buffer I/O error on device sdb, logical block 2 Buffer I/O error on device sdb, logical block 1 end_request: I/O error, dev sdb, sector 8 Sense: Not ready to ready change, medium may have changed sd 8:0:0:0: Result: hostbyte=DID_ABORT driverbyte= DRIVER_ SENSE Then, after several minutes, I get this messages: usb 1-5: reset high speed USB device using ehci_hcd and address 6

dev/sda /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda4 /dev/sda5 /dev/sda6 /dev/sda7 /dev/sda8Īfter waiting for a while, dmesg periodically throws out this message in a loop: sd 8:0:0:0: Attached SCSI removable diskīut the strange thing is that the device /dev/sdb1 isn't created at all: sd 8:0:0:0: Assuming drive cache: write through sd 8:0:0:0: Attached scsi generic sg2 type 0 scsi 8:0:0:0: Direct-Access Multi Flash Reader 1.00 PQ: 0 ANSI: 0

usb-storage: waiting for device to settle before scanning scsi8 : SCSI emulation for USB Mass Storage devices

usb 1-5: configuration #1 chosen from 1 choice usb 1-5: new high speed USB device using ehci_hcd and address 6 When I insert a SD-card, dmesg tells me this: Here is the output of lsusb, I will attach the verbose output too:īus 001 Device 005: ID 058f:6366 Alcor Micro Corp. I am running karmic with kernel 2.6.31-14-generic and I confirm this bug with the all-in-one SD-card-reader of my Samsung E152 notebook.

Alcor usb 2.0 card reader repair