** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu)
Assignee: Dario (dardiv92) => (unassigned)
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** Changed in: linux (Ubuntu)
Status: Invalid => Confirmed
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Dario (dardiv92)
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paolo gozzini, please do not toggle the Status of this report. If you have a
bug in Ubuntu, the Ubuntu Kernel team, Ubuntu Bug Control team, and Ubuntu Bug
Squad would like you to please file a new report by executing the following in
a terminal while booted into a Ubuntu repository kernel (not
** Changed in: linux (Ubuntu)
Status: Invalid => Confirmed
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Title:
Low speed when transferring files over USB flash drives
To manage noti
** Changed in: linux (Ubuntu)
Status: Triaged => Invalid
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Title:
Low speed when transferring files over USB flash drives
To manage notifi
Ming Lei, thank you for your feedback.
At the time when I wrote this bug report, one thing kept my attention:
the transfert progress was very irregular; it was very fast at the
beginning and at the very end it stopped for a long time until
completed. So I thought there was a problem.
I repetead s
>From usbmon log on comment #22,
The flash drive is connected into one usb 2.0 bus, and doing writing operation.
From
the usbmon log, the average writing speed is about 4.700729MB from the
statistics
on 120KB data block transfer. Generally speaking, reading on usb flash drive is
much
faster tha
I reported the bug to linux-...@vger.kernel.org.
This is the answer I had:
"Are you sure you just aren't hitting the issue that once the kernel
buffers are full, they then write out to the device itself?
Doing speed tests without disabling buffering, and making sure that the
FAT flush option is
Alessandro Zappalà, you should mention that this does not appear to be a
regression. Other than that, I think your good.
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Title:
Low speed when t
Christopher M. Penalver,
for the step "[X.] Other notes, patches, fixes, workarounds" in
https://wiki.ubuntu.com/Bugs/Upstream/kernel#KernelTeam.2BAC8-KernelTeamBugPolicies.Overview_on_Reporting_Bugs_Upstream
, do you think I have to add something more that is not in the bug
description? I'm not s
** Tags removed: kernel-bug-exists-upstream-v3.8-rc4 needs-upstream-testing
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-v3.8-rc5
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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Christopher M. Penalver,
I tested the kernel v.3.8-rc5 (this time I could install all the
packages, included headers);
→ the problem persists (the first transfer after formatting is ultra-
fast; then it becomes very slow)
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Alessandro Zappalà, thank you for testing the mainline kernel v3.8-rc4.
Before following the instructions noted in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1067452/comments/36
, could you please test http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.8-rc5-raring/ ?
** Tags removed: ker
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-
upstream-v3.8-rc4
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Title:
Low speed when transferring files over USB flash drives
T
** Tags removed: kernel-bug-exists-upstream kernel-bug-exists-upstream-v3.8-rc4
** Tags added: needs-upstream-testing
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Title:
Low speed when tran
Christopher M. Penalver,
I had the same error message for all the 3.8 rc headers kernel (from rc1
to rc4) so I never installed the headers of the mentioned kernels. I
thought it was normal, because in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1067452/comments/2
Joseph Salisbury said to
Alessandro Zappalà, did you have the "dependencies" problem when you
installed headers for http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.8-rc3-raring/ ?
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Alessandro Zappalà, did you have the "dependencies" problem when
installed headesr for http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.8-rc3-raring/ ?
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Christopher M. Penalver,
I can't follow the 7.1 step of the wiki you linked: I booted into the
newest kernel (3.8 rc4) but I installed just the linux-image and the
linux-image-extra files; I couldn't install the headers file because I
always got the error message "Cannot satisfy dependencies".
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Alessandro Zappalà, the issue you are reporting is an upstream one.
Could you please report this problem through the appropriate channel by
following the instructions _verbatim_ at
https://wiki.ubuntu.com/Bugs/Upstream/kernel#KernelTeam.2BAC8-KernelTeamBugPolicies.Overview_on_Reporting_Bugs_Upstrea
** Tags removed: kernel-bug-exists-upstream-v3.8-rc3 needs-upstream-testing
** Tags added: kernel-bug-exists-upstream-v3.8-rc4
** Tags added: kernel-bug-exists-upstream
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Christopher M. Penalver,
I tested 3.8-rc4 kernel → the problem persists
** Description changed:
Low speed when transferring files over USB 2.0 and USB 3.0. Example USB flash
devices with FAT that demonstrates this problem:
ID 13fe:4100 Kingston Technology Company Inc.
ID 090c:1000 Silico
Alessandro Zappalà, thank you for testing the requested kernel. Could
you please test http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.8-rc4-raring/ ?
** Tags removed: kernel-bug-exists-upstream-v3.8-rc2
** Tags added: kernel-bug-exists-upstream-v3.8-rc3
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Christopher M. Penalver,
I tested 3.8-rc3 kernel → the problem persists
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Title:
Low speed when transferring files over USB flash drives
To mana
Alessandro Zappalà, thank you for updating your BIOS. Could you please
test http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-rc3-raring/ ?
** Tags removed: bios-outdated kernel-bug-exists-upstream
** Tags added: needs-upstream-testing
** Changed in: linux (Ubuntu)
Status: Confirmed => In
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Low speed when transferring files over USB flash drives
To manage n
I updated the BIOS: the progression bar in the transfer window seems
more accurate but the problem persists (very low speed).
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Title:
Low speed w
Alessandro Zappalà, as per
http://www.asus.com/Notebooks/Superior_Mobility/U36SD/#download an
update is available for your BIOS (206). If you update to this, does it
change anything?
** Tags added: bios-outdated
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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** Tags removed: kernel-bug-exists-upstream-v3.7-rc1-quantal
** Tags added: kernel-bug-exists-upstream-v3.8-rc2
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https
Christopher M. Penalver,
I tested 3.8-rc2 kernel → the problem persists
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Title:
Low speed when transferring files over USB flash drives
To mana
Alessandro Zappalà, thank you for testing 3.8-rc1. Could you please test
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-rc2-raring/ ?
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Title:
Christopher M. Penalver,
I tested 3.8-rc1-raring kernel → the problem persists
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Title:
Low speed when transferring files over USB flash drives
Alessandro Zappalà, could you please test http://kernel.ubuntu.com
/~kernel-ppa/mainline/v3.8-rc1-raring/ ?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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