Confirmed issue with slow transfer rates (1.5 MB/s) for 3 different
external USB 2.0 hardisk (toshiba 1 TB, SAMSUNG 512 GB, Hitachi 1 TB)
with 3.12.0-4-generic from trusty. It is mainly a bad detection as USB
1.0 instead of USB 2.0 in dmesg (check_highspeed is indeed bogus). I try
to test with
Angel Guzman Maeso, it would be best if you filed your own report via a
terminal:
ubuntu-bug linux
This is due to how these issues more often than not are hardware
dependent.
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@penalvch thanks, filled
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1255522
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https://bugs.launchpad.net/bugs/177235
Title:
slow USB 2.0 drive: it's mounted as USB 1.0, not
Albert Cardona, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
*** This bug is a duplicate of bug 500069 ***
https://bugs.launchpad.net/bugs/500069
** This bug has been marked a duplicate of bug 500069
since Ubuntu karmic Filetransfer to some USB Drives got realy slow
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I frequently transfer large amounts of data from usb attached docks or
adapters. Currently it does show up as Connection: USB at 480.0
MB/s. However the transfer speed is still around 1.5-1.9MB/s. Less
than 2 Megs/sec. I can download from the internet faster than that.
This has been a problem
On Mon, 22 Nov 2010 04:57:34 -
Lox 177...@bugs.launchpad.net wrote:
My girlfriend switched back to windows because of that bug
Then, you should consider switching girlfriend.
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nomnex
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
My girlfriend switched back to windows because of that bug
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
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Well, it may helps to assign this bug to the Ubuntu Kernel USB Team:
https://bugs.launchpad.net/~ubuntu-kernel-usb
Sorry for the wrong assignment, i thought i could assign it to the group
named above
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Christophe Le Roux (kibaltchich)
Well, this specific bug report has been on here almost 3 years, but
people have been complaining about it even longer. I think it's clear
it's in the we don't care category. I mean really, who cares if
they're only getting 1/6th the rated speed?
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slow USB 2.0 drive: it's mounted as USB 1.0,
I thought this was a known bug for many years now but was not going to be
looked at/fixed.
2010/8/12 Philip Muškovac yo...@gmx.net
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This bug did not have a package associated with it, which
is important for
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This bug did not have a package associated with it, which
is important for ensuring that it gets looked at by the proper
developers. You can learn more about finding the right package at
@wallpaper_thief
Windows also connects my Microsoft LifeCam VX-1000 as USB 2.0, when Ubuntu
(currently testing 10.04 and 10.10) only connects it as USB 1.0 or 1.1. This
doesn't seem to be isolated to x86_64 since it happens for me on both x86 and
x86_64 computers.
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slow USB 2.0 drive: it's
What is going on with Ubuntu? my computer runs USB devices at 2.0 speeds
in windows, but ubuntu only runs at USB 1.1 speeds.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
You received this bug notification because you are a member of Ubuntu
I'm running 9.10 installed on a High Speed USB 2.0 flash drive. Machine
is a eBox4810. Experiencing the same thing, only the whole OS gets slow
as it pages from the disk.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
You received this bug
same problem here on 9.10 32 bit (Fujitsu FMV-BIBLO NH28D - notebook)
4 USB ports USB2 recognized as USB1
Slow transfer speed ~15mbps
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
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Edit: Slow transfer speed ~15kpbs
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
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Same problem here (Ubuntu 9.10 x64).
I'm not a hardware expert, but I'll say my experience:
I see that it's like it starts to transfer really fast, and then it
slows down and down and down, I guess it has something to do with the
sync, as if I sync after transferring each file the overall result
I can confirm it using Ubuntu 9.10 x64.
** Changed in: ubuntu
Status: Incomplete = Confirmed
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
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Same happens to me in Ubuntu 9.10 x64
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
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I'm not a Ubuntu user but I have the same problem using debian. It is
also Bug 12707 on kernel.org:
http://bugzilla.kernel.org/show_bug.cgi?id=12707
However I don't see, in which way it should be a duplicate of Bug #88746
(apart from that it is also a bug that has to do with ehci-hdc)?! To
start
This is a valid and confirmed bug. A duplicate of Bug #88746 (ehci-hcd).
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/88746?comments=all
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
You received this bug notification because you are
Issue exists for me as well. Transfer starts very quickly and gets 500MB
done almost instantly then will drop slowly all the way down to 1mbps...
unacceptable.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
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Miroslav,
Thanks for that solution! I have the same issue, and your fix works
perfectly.
For what it's worth, Windows 7 has the exact same issue. Your fix
corrects the drive in both Windows and Jaunty.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
In my case, I connect the external portable 2.5 harddrive via USB cable with
one
micro-USB plug (on HDD side) and two normal-USB plugs (on PC side). One of the
PC-side
USB plugs provides only more electric current (I will call this dummy USB in
the next).
What I found is that if I connect my
Temporary solution is to add to your /etc/modprobe.d/usb:
install ohci-hcd /sbin/modprobe ehci-hcd; /sbin/modprobe --ignore-install
ohci-hcd
install uhci-hcd /sbin/modprobe ehci-hcd; /sbin/modprobe --ignore-install
uhci-hcd
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
I guess it's the kernel problem with correct USB speed recognition,
because I have had this problem on different computers and linux versions.
My current ver. is Ubuntu 64bit 9.04.
Good example taken from my kern.log, notice first two lines:
Problem persists in 9.04 32bit. To find out the Hub in use, I just run
lsusb.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
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The same issue effects 9.04 Beta 64bit edition
I started a thread on the Ubuntu forums as well
http://ubuntuforums.org/showthread.php?t=1112701
** Attachment added: lsmod-lsusb-lspci.txt
http://launchpadlibrarian.net/24648622/lsmod-lsusb-lspci.txt
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slow USB 2.0 drive: it's mounted as USB
Still a problem for me with a freshly updated system. Speeds under
8MB/sec. Drive is a 500MB Western Digital external USB unit.
Linux antares 2.6.27-11-generic #1 SMP Thu Jan 29 19:24:39 UTC 2009 i686
GNU/Linux
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
@Matthew:
Speeds under 8MB/sec *are slow*, but this bug refers to USB 1.1 or 1.0 which is
VERY SLOW e.g. 1.5MB/sec
http://en.wikipedia.org/wiki/Usb#USB_signaling
what you're seeing might be another related or unrelated bug in some
part of the data path between the OS and the drive.
just a
Thanks for the email Gaspard. I have tried to see the speed on the drive
tab but unfortunately no speed is displayed on my system. This could be
because the drive is listed as non-removable instead of removable. I have
no idea why. I have USB 1 and USB2 ports on this machine. The USB1 ports
When I tried to downgrade to 2.6.24-19 it didn't fix the problem.
Looking at the ehci_hcd.ko file after downgrading it appears as if the
file did not get replaced by the ehci_hcd.ko file that is on the live CD
of Ubuntu 8.04.1 (kernel 2.6.24-19). Why that is? I don't know. I would
expect all of
Ubuntu Kernel Team needs to be notified and subscribed to this bug. This
is a kernel problem.
This bug is also related to this bug:
https://bugs.launchpad.net/ubuntu/intrepid/+source/linux/+bug/88746
An older kernel that works perfectly is
2.6.24-19 which is the default install kernel for
Problem still occurs with latest kernel version 2.6.28
-
Ubuntu Kernel Team needs to be notified and subscribed to this bug.
This bug is also related to this bug:
https://bugs.launchpad.net/ubuntu/intrepid/+source/linux/+bug/88746
An
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
dpkg --get-selections | grep linux
Shows both , 2.6.24-16 and 2.6.24-19.
Is it safe to remove 2.6.24-19 or is there another way to degrade
{rather,down-grade ;0) } the
kernel
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.9 (GNU/Linux)
Comment:
Hi,
This is happening with the 32 bit version as well.
When plugging in Sansa Clip to Asus EEE PC with Ubutu 8.04, it will not
recognize the Clip.
However, typing the following fixes that (temporarily) (following
Nothingman's suggestion):
sudo modprobe -r ehci_hcd
The Clips charge light
Hello!
Could you check if this issue still persists with latest Ubuntu release?
You can try Ubuntu Intrepid from the live-cd.
Thanks in advance.
** Changed in: ubuntu
Status: Confirmed = Incomplete
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
I have installed Intrepid.
This issue persists in Intrepid, in my laptop hp nx7300 and USB Kingston 1GB.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
You received this bug notification because you are a member of Ubuntu
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Well, my problem is USB not mount!
I must run sudo modprobe ehci_hcd for Ubuntu mount the USB.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
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@Marcos: then you only need to add ehci_hcd to /etc/modules.
What about the others?
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
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I'll try this tonight or tomorrow and post my results... although I have
not been able to boot the live CD since Edgy so I'm not out much hope.
I'm planning to upgrade to/start testing Intrepid soon so I'll update
this bug once I've installed that (if the live CD doesn't work)
Cheers
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slow
Same problem here, I remounted an external USB2.0 drive and noticed it
was deathly slow... Checked the Drive tab, saw 12Mbps (USB1.1)...
I tried the workaround in the bug description... got up to this step:
7) sudo modprobe ehci_hcd
Then immediately after issuing this command, my computer
Oh for reference:
Vendor: ST350032
Model: 0AS
Firmware: 0103
Media: Hard Disk
(it's a 3.5inch Seagate 500GB 7200.11 SATA drive in a SATA to USB
enclosure)
Gaspard
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
https://bugs.launchpad.net/bugs/177235
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I had exactly the same problem, and found by chance exactly the same
solution. I thought it was my MP3-player the cause of the issue, because
it was happening in both my ubuntu x64 laptop and my ubuntu x64 desktop.
The same machines booting windows have no problems.
For reference, here's the
I have the same kind of problem exept that the drive is recognised as
usb 2.0 drive but the transfer speed is still only 2 Mt/s.
** Attachment added: bug.jpg
http://launchpadlibrarian.net/15172099/bug.jpg
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
Now I tried tranferring the files again and the speed is ten times
faster. The drive is same and I haven't even unmounted it after the last
try. This is quite annoying little bug because this happens time to time
and I know that the small filesize is not the problem because the
transferred files
Turns out it was my mistake. Wasn't enabled in the BIOS.
Apologies.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
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I've the same problem but the fix doesn't do anything for me.
Still shows 12mbs
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
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Same problem for me in Ubuntu 7.10 and 8.04.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
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Had the same problem.
Thanx for the fix :-)
Lets hope they fix this soon.
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slow USB 2.0 drive: it's mounted as USB 1.0, not USB 2.0!
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