Closing this bug with Won't fix as this kernel / release is no longer supported.
Please feel free to open a new bug report if you're still experiencing this on
a newer release (Bionic 18.04.3 / Disco 19.04)
Thanks!
** Changed in: linux (Ubuntu)
Status: Incomplete => Won't Fix
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You
Khem Raj, thank you for reporting this and helping make Ubuntu better. Karmic
reached EOL on April 30, 2011.
Please see this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases
We were wondering if this is still an issue in a supported release? If
so, could you
** Changed in: linux
Importance: Unknown = Medium
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Title:
iwlagn creates cpu hog
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** Changed in: linux
Status: Confirmed = Fix Released
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Title:
iwlagn creates cpu hog
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I can also confirm this bug for Lucid Beta, using kernel package
2.6.32.19.20
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This bug was most likely fixed in the mainstream kernel for version
2.6.33-rc3 (see https://bugzilla.kernel.org/show_bug.cgi?id=14141)
Please backport the respective patch from vanilla kernel GIT repository
to Karmic to fix this issue.
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iwlagn creates cpu hog
03:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or
AGN [Kedron] Network Connection (rev 61)
Linux thinkpad 2.6.31-18-generic #55-Ubuntu SMP Fri Jan 8 14:54:52 UTC
2010 x86_64 GNU/Linux
I agree to this bug!
There are several ways to make the iwlagn module crash:
* put the
This happened to me today, 100% CPU usage.
I have an intel 5300 AGN, running 2.6.31-18 Ubuntu Karmic 9.10 amd64. It
happens to me rarely and I don't know how to reproduce it.
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** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Bugs, which is
Same problem here, on a Dell 1535 notebook, with Linux Mint 8 (x64) using
Ubuntu backports repository.
The wireless device is Intel Wireless WiFi link 5100.
Right now I'm using cable connection to internet, and top reports iwlagn being
active for 1009 minutes. Uptime is 1698 minutes.
CPU
Affects me too, on HP EliteBook 8530w. Had heavy wifi load over Network-
Manager VPN while going through a large remote logfile with VIM.
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I can reproduce this quite often on high MySQL and/or Apache load.
Not always, but if I get a hogging iwlagn, it most often is due to heavy load
on my local mysqld and apache.
To me, this hints towards either heavy load on the localhost/loopback network,
or towards processes with higher (?)
same here with:
08:00.0 Network controller: Intel Corporation PRO/Wireless 5300 AGN
[Shiloh] Network Connection
using N-mode
isn't really easy to reproduce... this just happens some now and thens
(1-2times a month) - can occur on high network loads and also on nearly
idle networking..
uname
Same problem: 100% CPU usage by iwlagn
kernel : 2.6.31-14-generic
Ubuntu 9.10 - le Koala Karmique
lspci:
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory
Controller Hub (rev 03)
00:02.0 VGA compatible controller:
I can reproduce this bug too. I am running Ubuntu Karmic without the
backport modules. I have just installed them too.
My WiFi card is:
07:00.0 Network controller: Intel Corporation Wireless WiFi Link 5100
I attach my /var/log/messages so you can see the errors it generates. I
didn't use dmesg
Also, I'm using a WPA WiFi G connection if that matters.
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With the backport-modules, I feel it's harder to trigger but when it
hits, it seems to be worse:
[200790.561493] Free swap = 971420kB
[200790.561493] Total swap = 1959920kB
[200790.561493] 513712 pages RAM
[200790.561493] 9742 pages reserved
[200790.561493] 57599 pages shared
[200790.561493]
https://bugzilla.redhat.com/show_bug.cgi?id=529536 and
http://bugzilla.kernel.org/show_bug.cgi?id=14141 for relevant
bugreports. According to the latter, upstream has fixed this (but not
backported?), bug I can't see in which revision.
** Bug watch added: Red Hat Bugzilla #529536
** Changed in: linux
Status: Unknown = Confirmed
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mue...@xbox:~$ apt-cache policy linux-backports-modules-karmic
linux-backports-modules-karmic:
Installed: (none)
Candidate: 2.6.31.14.27
Version table:
2.6.31.14.27 0
400 http://de.archive.ubuntu.com karmic/main Packages
mue...@xbox:~$
And I see this very annoying problem very
btw, Thinkpad x61s, and I get a buttload of these in my dmesg:
[163641.442758] iwlagn :03:00.0: Can not allocate SKB buffers
[163641.464284] swapper: page allocation failure. order:2, mode:0x4020
[163641.464289] Pid: 0, comm: swapper Tainted: GWC 2.6.31-14-generic
#48-Ubuntu
This bug is reported against backports-modules, but I don't see
anything in the comments that suggest that the reporters actually use
this.
So to clarify, do you have the package linux-backports-modules-karmic
installed when you see this problem?
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iwlagn creates cpu hog
I just started getting this behaviour a day or so after upgrading to
karmic where I'm having to rmmod and modprobe the iwlagn driver. It
appears there is a patch for the driver source, can you review and look
at updating the iwlagn module in the karmic kernel?
I've been seeing this as well ever since I upgraded to karmic, starting
with a 2.6.30 kenel
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** Attachment added: lspci.txt
http://launchpadlibrarian.net/29516446/lspci.txt
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