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Ubuntu 14.04.1 x86-64
wanting to unmout a pata drive (usb attached), I get this (title) "Warning from libparted" when gparted launches.
Same issue with another pc x86-64
Errors retries then ignore, shred /dev/sdi fails:

shred: /dev/sdi : pass 1/2 (random)…
shred: /dev/sdi : pass 1/2 (random)…231MiB/94GiB 0 %
shred: /dev/sdi : failure of fdatasync: i/o error on target host

I reached to shred the drive from a 12.04.4 i386 pc with no error.

Sep  7 15:07:08 nux kernel: [261448.072475] usb 5-1: new high-speed USB device number 10 using xhci_hcd
Sep  7 15:07:09 nux kernel: [261448.202999] usb 5-1: New USB device found, idVendor=04cf, idProduct=8818
Sep  7 15:07:09 nux kernel: [261448.203008] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Sep  7 15:07:09 nux kernel: [261448.203013] usb 5-1: Product: USB Mass Storage Device
Sep  7 15:07:09 nux kernel: [261448.203018] usb 5-1: Manufacturer: Myson Century, Inc.
Sep  7 15:07:09 nux kernel: [261448.205463] usb-storage 5-1:1.0: USB Mass Storage device detected
Sep  7 15:07:09 nux kernel: [261448.205673] scsi20 : usb-storage 5-1:1.0
Sep  7 15:07:10 nux kernel: [261449.206849] scsi 20:0:0:0: Direct-Access     HTS72101 0G9AT00          MCZO PQ: 0 ANSI: 0 CCS
Sep  7 15:07:10 nux kernel: [261449.207763] sd 20:0:0:0: Attached scsi generic sg7 type 0
Sep  7 15:07:10 nux kernel: [261449.207901] sd 20:0:0:0: [sdi] 195371568 512-byte logical blocks: (100 GB/93.1 GiB)
Sep  7 15:07:10 nux kernel: [261449.208068] sd 20:0:0:0: [sdi] Write Protect is off
Sep  7 15:07:10 nux kernel: [261449.208074] sd 20:0:0:0: [sdi] Mode Sense: 00 14 00 00
Sep  7 15:07:10 nux kernel: [261449.208280] sd 20:0:0:0: [sdi] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Sep  7 15:07:10 nux kernel: [261449.555232]  sdi: unknown partition table
Sep  7 15:07:10 nux kernel: [261449.555926] sd 20:0:0:0: [sdi] Attached SCSI disk
Sep  7 15:07:43 nux kernel: [261482.219026] end_request: critical target error, dev sdi, sector 0
Sep  7 15:07:52 nux kernel: [261492.015180] end_request: critical target error, dev sdi, sector 0
Sep  7 15:07:55 nux kernel: [261494.261159] end_request: critical target error, dev sdi, sector 0
Sep  7 15:16:23 nux kernel: [262003.027005] end_request: critical target error, dev sdi, sector 0
Sep  7 15:16:35 nux kernel: [262014.215352] end_request: critical target error, dev sdi, sector 0
Sep  7 15:16:35 nux kernel: [262014.859651] end_request: critical target error, dev sdi, sector 0

[EDIT:
Once shreded, no error on the i386, but still same error on the 2 x86-64]

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: 2.3-12ubuntu1 libparted0debian1
-- 
Synchronisation/close /dev/sdi: i/o error on target host
https://bugs.launchpad.net/bugs/1366538
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