[Bug 208365] Cannot fsck 3TB USB disk

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208365

            Bug ID: 208365
           Summary: Cannot fsck 3TB USB disk
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: phk at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

After updating to:

FreeBSD 11.0-CURRENT #4 r296808: Sun Mar 13 22:39:59 UTC 2016

My backup disk:

da0 at umass-sim0 bus 0 scbus13 target 0 lun 0
da0: <WD My Passport 0827 1012> Fixed Direct Access SPC-4 SCSI device
da0: Serial Number 57584431453235394C584137
da0: 400.000MB/s transfers
da0: 2861556MB (732558336 4096 byte sectors)
da0: quirks=0x2<NO_6_BYTE>

Is effectively unavailable because running "fsck_ffs /dev/da0" yields:

usb_pc_common_mem_cb: Page offset was not preserved
(da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 04 66 2c 30 00 00 10 00 
(da0:umass-sim0:0:0:0): CAM status: CCB request completed with an error
(da0:umass-sim0:0:0:0): Retrying command
usb_pc_common_mem_cb: Page offset was not preserved
(da0:umass-sim0:0:0:0): READ(10). CDB: 28 00 04 66 2c 30 00 00 10 00 
(da0:umass-sim0:0:0:0): CAM status: CCB request completed with an error
(da0:umass-sim0:0:0:0): Retrying command
[...]

Previous version was:

FreeBSD 11.0-CURRENT #3 r290949: Tue Nov 17 02:13:28 UTC 2015

That worked OK.

Problem also reproduced with a similar 2TB USB disk.

Also tried plugging the disk into a USB2 port, same thing.

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