The patch that closed the upstream bug report [0] landed in Quantal with
3.5-rc5 - so please confirm that this issue is fixed.
[0]
commit 6a0bdffa0073857870a4ed1b4489762146359eb4
Author: Alan Stern <st...@rowland.harvard.edu>
Date: Wed Jun 20 16:04:19 2012 -0400
SCSI & usb-storage: add try_rc_10_first flag
** Changed in: linux (Ubuntu)
Status: Fix Committed => Incomplete
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https://bugs.launchpad.net/bugs/997021
Title:
USB storage device capacity is incorrect and device is not writeable
Status in The Linux Kernel:
Fix Released
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Description: Ubuntu quantal (development branch)
Release: 12.10
Kernel Package Version: linux-image-3.4.0-1-generic 3.4.0-1.3
I am having serious problems with an Intenso Rainbow Line 16 GB USB
storage device on my Hewlett-Packard HP Compaq 6710b (Intel Centrino)
notebook with kernel 3.4.0-1-generic x86_64.
On kernel 3.2.0-24-generic x86_64 the device works as expected, the
capacity is reported correct and the raw speed is within manufacturer
specifications (~30 Mbyte/s read, 8 Mbyte/s write).
On kernel 3.4.0-1-generic x86_64 the device capacity is reported as 18
Exabytes instead of 16 Gigabytes, and I can only read the device, but
not write to it. Every write attempt ends in "Device not seekable"
and/or "No space left on device":
sturmflut@cloud:~/tmp/bug$ sudo dd_rescue /dev/zero /dev/sdb
dd_rescue: (warning): output file is not seekable!
dd_rescue: (warning): Invalid argument
dd_rescue: (warning): Don't use sparse writes for non-seekable output
dd_rescue: (info): ipos: 0.0k, opos: 0.0k, xferd: 0.0k
errs: 0, errxfer: 0.0k, succxfer: 0.0k
+curr.rate: 0kB/s, avg.rate: 0kB/s, avg.load: 0.0%
dd_rescue: (warning): write /dev/sdb (0.0k): No space left on device
dd_rescue: (warning): assumption rd(65536) == wr(0) failed!
dd_rescue: (fatal): write /dev/sdb (64.0k): No space left on device!
dd_rescue: (info): Summary for /dev/zero -> /dev/sdb:
dd_rescue: (info): ipos: 64.0k, opos: 64.0k, xferd: 64.0k
errs: 1, errxfer: 0.0k, succxfer: 0.0k
+curr.rate: 178273kB/s, avg.rate: 153846kB/s, avg.load: 0.0%
sturmflut@cloud:~/tmp/bug$ sudo fdisk /dev/sdb
fdisk: unable to seek on /dev/sdb: Invalid argument
This clearly is a regression introduced by kernel 3.4 itself. Other USB
storage devices work as expected, on both kernels.
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