Darek, because this issue cannot be dealt with in a proper manner due to
your refusal to update your BIOS, upstream and downstream is not in the
position of working around outdated and buggy BIOS problems, unless
outstanding and extenuating circumstances exist. Your refusal to update
your BIOS beca
Darek, to maintain a respectful atmosphere, please follow the code of
conduct - http://www.ubuntu.com/project/about-ubuntu/conduct . Bug
reports are handled by humans, the majority of whom are volunteers, so
please bear this in mind.
With this in mind, the fact something works in Windows but doesn
Christopher M. Penalver please don't troll this issue. Please read what was
written above.
IT IS NOT BIOS PROBLEM. SAME HARDWARE ON WINDOWS WORKS !!!
BTW: I see you like Microsoft (https://launchpad.net/~penalvch MCSE:
Security, MCSA, MCDST, MCP). I guess you should be removed from Ubuntu
suppo
** Summary changed:
- 0951:1697 [Asus P5WD2-Premium] Low write speed to USB disks
+ Low write speed to USB disks
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: disk speed usb
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Darek, as per http://www.asus.com/Motherboards/P5WD2_Premium/#support an update
is available for your BIOS (0709). If you update to this following
https://help.ubuntu.com/community/BiosUpdate , does it change anything? If it
doesn't, could you please both specify what happened, and provide the o
I am also affected by this - I see it is a high priority bug but has not
been assigned yetany further developments in this regard?
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Anything new regarding this issue? Any plans to solve it?
The disks speed in Ubuntu is nightmarish...
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Title:
Low write speed to USB
** Tags removed: 3.0 disk disks kernel speed ubuntu usb
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Title:
Low write speed to USB disks - do something!
Status in “linux” pack
Make a note:
1. Write speed in "Disks" tool is one thing.
2. The real write speed (e.g. during normal copy files) is other thing.
1. For "Verbatim" the "Disks" tool shows good results:
- Verbatim: 87.7 MB/s (read), 183.4 MB/s (write), 18.07 (access) - GOOD RESULT
- Seagate Expansion: 36.8 MB/s (r
No changes (EXISTS) after running the commands below:
$ sudo hdparm -W /dev/sdb1
/dev/sdb1:
SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
write-caching = not supported
$ sudo hdparm -W 0 /dev/sdb1
/dev/sdb
I guess there is no need to install 13.04 or 12.04 with kernel from
13.10. The disk tool shows low write speed in all of them for Kingston
DT Ultimate G3 (32GB). But I can do that if you want...
I can test the cache in Kingston DT Ultimate G3 (32GB), hope this not
destroy the disk, its new one.
-
There are several problems related to disks below:
1. Verbatim Store 'n' Go SuperSpeed USB 3.0 Portable Hard Drive 500GB (model
inside ST500LM0 12 HN-M500MB)
2. Seagate Expansion Portable Hard Drive 500GB (model inside ST500LT012-9WS142)
3. Kingston DT Ultimate G3 (32GB)
All problems are little d
Another good test might be to try booting the Saucy kernel on a Raring
installation to see if the bug follows the kernel.
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Title:
Lo
Just to confirm, when you boot a prior kernel version on your Saucy
installation, the problem persists. However, if you boot a Raring(Or
earlier) LiveCD the issue does not exist?
Can you confirm the value of write cache when the bug exists and does not exist:
sudo hdparm -W /dev/sdb
A good expie
Similar write speed problem I had with Seagate Expansion Portable Hard
Drive 500GB (model inside ST500LT012-9WS142) on my laptop x55u. I had
lower write speed than Verbatim (Seagate inside). So I set it as record
disk to SMART TV. With Samsung TV record fine.
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On my laptop ASUS X55U with USB 3.0 port with connected Verbatim Store 'n' Go
SuperSpeed USB 3.0 Portable Hard Drive 500GB (model inside ST500LM0 12
HN-M500MB) during copy files from local HDD to USB disk via command "gcp" I had:
- about 50 MB/s in Ubuntu 13.04 (USB disk formatted to EXT4)
- now
EXISTS in Kernel: 3.12.0-031200rc6-generic
v3.12-rc6: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc6-saucy/
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Title:
Low wri
$ sudo dpkg -i *.deb
Selecting previously unselected package linux-headers-3.0.0-0300-generic.
(Reading database ... 195696 files and directories currently installed.)
Unpacking linux-headers-3.0.0-0300-generic (from
linux-headers-3.0.0-0300-generic_3.0.0-0300.201107220917_amd64.deb) ...
Selectin
Can you also see if the bug exists in v3.12-rc6:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc6-saucy/
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Title:
Low write s
This problem EXISTs in 3.2 final kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2-precise/
However I had problem during installation via
$ sudo dpkg -i *.deb
command. There were errors during processing kernel. After reboot with this
kernel I hadn't internet and icons in the left bar.
Thanks for testing. Can you also test the 3.2 final kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2-precise/
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Title:
Low
However this is fresh install, same problem is when I test speed from
live CD.
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Title:
Low write speed to USB disks - do something!
Bug EXIST in v3.8 final:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.8-raring
Disks tool shows same poor result for Kingston DT Ultimate G3 (32GB).
Maybe this is not kernel problem?
Maybe some package, application or configuration suppress the disks speed?
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This may be a duplicate of bug 1242812
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Title:
Low write speed to USB disks - do something!
Status in “linux” package in Ubuntu:
I'd like to perform a bisect to figure out what commit caused this
regression. We need to identify the earliest kernel where the issue
started happening as well as the latest kernel that did not have this
issue.
Can you test the following kernels and report back? We are looking for
the first kerne
Tested also with kernel: 3.12.0-031200rc3-generic
kernel-bug-exists-upstream
** Tags added: disk disks kernel-bug-exists-upstream
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Ti
Copy to USB flash disk.
Connected via USB 2.0 here but via USB 3.0 is the same.
** Attachment added: "Copy_to_USB.png"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1242085/+attachment/3883888/+files/Copy_to_USB.png
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Disks tool shows the USB 3.0 flash drive speed. Here it is connected via USB
2.0.
It reach the max USB 2.0 read speed but the write speed is always low.
I do not have USB 3.0 here but the result is the same on laptop Asus X55U
connected directly via USB 3.0.
** Attachment added: "Disks_tool_US
apport information
** Tags added: apport-collected saucy
** Description changed:
Problem description:
I noticed very very low write speed to USB disks, especially to the new ones
with USB 3.0. The "Disks" tool shows write speed about 7 MB/s !!! After start
benchmark this tool shows write s
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