[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1071708
T
In fact, there is one USB EHCI fix introduced in 2.6.32-41.88 to
address the problem, see
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/624510
That may explain why the upstream kernel test has a better
performance.
Thanks,
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>From the 'lsusb' log, the usb disk should be a USB 2.0 device, and we
can compute the write speed is about 2.56MB/sec(ubuntu) or
4.26M/sec(upstream).
It is hard to see it is a hardware problem or software bug.
Could you do the same test(write same file on same usb disk +
safely remove) on window
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1071708
Title:
Copying to a USB device is extremely slow.
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i repeated the process changing to a mainline kernal (3.7)
I restarted, and to to confirm i did these commands
geoffrey@blackbox:~$ uname -r
3.7.0-030700rc2-generic
geoffrey@blackbox:~$ uname -v
#201210220428 SMP Mon Oct 22 08:29:33 UTC 2012
I then repeated the same copy, 1.5G to USB2 stick and
i changed to a mainline kernal.
I restarted, and to to confirm i did these commands
geoffrey@blackbox:~$ uname -r
3.7.0-999-generic
geoffrey@blackbox:~$ uname -v
#201210230406 SMP Tue Oct 23 08:07:49 UTC 2012
I then repeated the same copy, 1.5G to USB2 stick and timed it:
6 minutes.
I just re-
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.7 kernel[0] (Not a kernel in the daily directory) and install both
the linux-image and linux-image-extra .deb packages.
Once you've tested the upstrea
Did this issue start happening after an update/upgrade? Was there a
kernel version where you were not having this particular problem? This
will help determine if the problem you are seeing is the result of the
introduction of a regression, and when this regression was introduced.
** Changed in:
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1071708
Title:
Copying to a USB device is extremely slow.
To manage notifications about t
