Have this bug with my Bluetooth mouse, aftere resume-wake and mouse
activity. Workaround: before mouse activity turn off bluetooth
connection via GUI, so bluetooth status icon does not have small padlock
in it.
I tested issue with trusty and vivid kernels.
$ uname -a
Linux ilya-vaio 3.19.0-18-gen
Jah,
You mean lightdm, don't you?
If your IO speed with local disk is slow too then I think slow network speed
is just a consequence of a bug like this one.
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Jah,
You're welcome.
Your PC1 is under amd64 Linux so I think this issue is not your case.
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Title:
IO limit 1.2 MB/s for 32bit ubu
I've reproduced the issue with Thinkpad W520, 32GB RAM (Ubuntu Saucy,
480kb/s).
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Title:
IO limit 1.2 MB/s for 32bit ubuntu (PAE, 32
Hi all,
After compiling kernels for a while I found out why the Fedora's kernel works
for me: it is built without PAE support.
I've bisected Ubuntu' and Fedora's .config files and it turnes out that
CONFIG_HIGHMEM4G=y "fixes" my issue ;) .
After that I rebooted my machine with default Ubuntu ke
Phillip,
Yes, exactly.
No, it doesn't go away; I don't know a way to get back normal IO speed without
a reboot. :(
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Title:
IO limi
After investigating UPower sources I've triaged the problem to this:
"/usr/sbin/pm-powersave false" => "/usr/lib/pm-utils/power.d/laptop-mode
false" => "echo 10 > /proc/sys/vm/dirty_ratio"
If I change /proc/sys/vm/dirty_ratio to any different value (more or
less than previous value!) then I got m
Hi again!
I've tested latest Fedora distro and it has no issue with IO. :(
Distro image: Fedora-Live-Desktop-i686-20-1.iso
$ uname -a
Linux localhost 3.11.10-301.fc20.i686 #1 SMP Thu Dec 5 14:21:31 UTC 2013 i686
i686 i386 GNU/Linux
I also checked that UPower daemon worked in Fedora as usual (a
Similar bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/119730
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Title:
IO limit 1.2 MB/s for 32bit ubuntu (ACPI issues)
S
I also tested with the following kernel parameters:
- acpi=off gives me 18Mb/s; it is better than 1 Mb/s but still bad
- pci=noacpi has no effect, 1 Mb/s.
** Description changed:
I recently installed a new motherboard Asus M5A99FX PRO R2.0 and found out
that IO speed is very low; i.e. the dd
Hi,
I found this bug is similar to mine (it hurts i386 only). Here is my workaround:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1264707/comments/18 .
Please try it and comment if it works for you.
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One more (maybe political) question: is amd64 support better than i386 for
Ubuntu?
Because:
- I see some littel issues when using 64bit Linux'es for the desktop (the sound
hissing in Skype etc)
- Skype, Steam and other commercial products are shipped for i386 only; so I
still need to use i386 p
I've investigated a lot and found out that it is an ACPI issue, IMHO.
After more installing and purging packages I found out that two packages
"breaks" the system: acpi-support and upower.
If I uninstall them then I have no IO issues.
The new workaround without uninstalling packages:
- disable /
** Summary changed:
- IO limit 1.2 MB/s for 32bit ubuntu (after running lightdm service)
+ IO limit 1.2 MB/s for 32bit ubuntu (ACPI issues)
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** No longer affects: lightdm
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Title:
IO limit 1.2 MB/s for 32bit ubuntu (ACPI issues)
Status in “linux” package in Ubuntu:
Incom
** Also affects: lightdm
Importance: Undecided
Status: New
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Title:
IO limit 1.2 MB/s for 32bit ubuntu (after running light
** Attachment added: "bad_ps_after_lightdm.lst"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1264707/+attachment/3948461/+files/bad_ps_after_lightdm.lst
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** Attachment added: "bad_ps_lightdm.lst"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1264707/+attachment/3948460/+files/bad_ps_lightdm.lst
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** Attachment added: "good_ps.lst"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1264707/+attachment/3948459/+files/good_ps.lst
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I've located the bug more closely: after installing ubuntu-minimal for 13.04,
i386 system from scratch and booting into it I found no issue with IO speed.
(hurray!)
Then I "apt-get install ubuntu-desktop" and the issue appeared again. After
purge'ing and install'ing packages from 'ubuntu-deskto
** Summary changed:
- IO limit 1.2 MB/s for 32bit ubuntu (after running lightgm service)
+ IO limit 1.2 MB/s for 32bit ubuntu (after running lightdm service)
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** Summary changed:
- IO limit 1.2 MB/s for 32bit ubuntu
+ IO limit 1.2 MB/s for 32bit ubuntu (after running lightgm service)
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Title:
I've tested Arch live iso and there is no problem with IO, both i386 and
amd64, uname -a:
Linux archiso 3.12.6-1-ARCH #1 SMP PREEMPT Fri Dec 20 19:54:53 CET 2013 i686
GNU/Linux
Linux archiso 3.12.6-1-ARCH #1 SMP PREEMPT Fri Dec 20 19:39:00 CET 2013 x86_64
GNU/Linux
Thus this issue is a combinat
Christopher,
Yes, it is a "reason" to go for 64bit; I am trying to go to future 14.04.
But in general my linux experience shows it is better to fix a bug rather than
to upgrade. :)
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Christopher,
Yes, this problem is reproducible with all i386 variants: upstream kernel,
ubuntu kernels (13.04, 13.10, daily-live=); and I tried amd64 iso (13.10) and
it is ok.
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I've run the latest upstream kernel, http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.13-rc7-trusty/ , on my Ubuntu 13.04 and the issue still
exists.
uname -a:
Linux ilhome 3.13.0-031300rc7-generic #201401041835 SMP Sat Jan 4 23:46:54 UTC
2014 i686 athlon i686 GNU/Linux
** Tags added: kernel-b
Christopher,
Yes, the issue exists with the latest development release of Ubuntu (Ubuntu
14.04 as of 12.01.14).
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Title:
IO limit 1
uname -a:
Linux ubuntu 3.13.0-1-generic #16-Ubuntu SMP Tue Jan 7 19:47:28 UTC 2014
i686 athlon i686 GNU/Linux
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Title:
IO limit 1.2
** Attachment added: "System info for BIOS 2201"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1264707/+attachment/3946406/+files/io-limit-2201.txt
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Public bug reported:
I recently installed a new motherboard Asus M5A99FX PRO R2.0 and found
out that IO speed is very low; i.e. the dd command output:
dd if=/dev/zero of=/tmp/output bs=8k count=1000k
gives
^C13885+0 records in
13885+0 records out
113745920 bytes (114 MB) copied, 99.6639 s, 1.1
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