Hi!
Have issues with my 5300 card, and i made some testing.
wireless n is unstable if you add ap_scan=1 or scan_ssid=1 in
wpa_supplicant.conf
if i set them to 0 and add my network into wpa_supplicant.conf it connects at
300mbit/s if i do som bwtesting i get good n performance! as soon as i
Gotta love the enterprise polish Ubuntu brings to Linux!
At http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2214 it seems
that the bug has been fixed lately (for some people at least) by the
guys at Intel. As with the severe power usage regression, Ubuntu seems
to be unable or unwilling to
Hello Jan,
probably both (unwilling and unable), but I don't think it is Ubuntu's
purpose to fix these problems. It all goes back to how much does
Canonical contributes to the Kernel, Ubuntu is supposed to give users a
good user experience in terms of ease and quality or packaging, I love
Debian,
I have tried all the options in the hope to get the speed stable. The
performance degrades slower if/when I had the:
options iwlagn swcrypto=1 ack_check=1
But to have it stable, I still use the 11n_disable=1
This issue we could celebrate it for the 3nd year. At least I never seen
the 11n
How does swcrypto affect performance?
My module (now known as iwl4965) does not have the ack_check parameter.
Does anybody know if the Windows driver is affected by this problem?
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Ubuntu 11.04
44:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 35)
Re-configuring my AP today, after my wifi 802.11n has been stable lately
i suddenly experienced problems, with connection loss.
The change that made the difference was on my AP.
1. Broken: with only
Are you sure? I can connect, and it's quite stable, the problem happens
after some hours.
What does dmesg output (after some minutes of connection)?
I've tried iwl4965 with 2.6.39, but it's very unstable ):, I'm sticking with
2.6.38 for now (even though it's not perfect either)
Pedro Nariyoshi
Hello,
I have Intel Corporation Ultimate N WiFi Link 5300. Ubuntu 11.04 - the Natty
Narwhal
2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64 x86_64
x86_64 GNU/Linux.
I have experimented lately with hostapd(mode n). Wifi is unstable in
this mode(as mentioned above). Without
Hi Pedro. I have tried disabling 802.11n both in Natty and on my router,
but the problem persists. In my /lib/firmware I have
iwlwifi-6000-4.ucode (I'm assuming this is the latest, couldn't find
anything more recent).
I'm not sure what compat-wireless is or how to use it, but you look it
up
** Changed in: linux
Status: Confirmed = Fix Released
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Title:
iwlagn degrades quickly during normal wifi session
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compat-wireless is a package of drivers from the latest kernels, but you can
compile them for older kernels.
You can get them here: http://wireless.kernel.org/en/users/Download
http://wireless.kernel.org/en/users/DownloadI thought of disabling n on
your module by creating a file in
Looks like I spoke too soon. I am still having problems with iwlagn. I
have an Intel Centrino Advanced-N 6200. The problems are intermittent:
when downloading a file, the download will simply stop at some point
(when downloading using Firefox 4 or wget). The same thing happens when
streaming from
Good question Scott,
since they both use 2.4GHz, it might cause additional problems, since the
connection might already be unstable by itself the mouse might aggravate the
problem. I don't have any bluetooth devices around (except my own bluetooth
module in the laptop) and I don't experience
I'll purchase a wired mouse and will see how that goes. I'm also going
to purchase a different Mini PCI Wifi module. I'll post back here with
the results.
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Turning off Bluetooth and using a wired mouse didn't resolve my problem.
Internet (downloads and video streams) keep dropping out (freezing)
intermittently.
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So it seems like 6200 has bigger problems than 4965.
Have you tried the latest microcode? (although I assume natty is already
using them).
How about compat-wireless?
If you disable 802.11n, does it solve your problem? (As in a workaround, not
a real fix)
Pedro Nariyoshi
On Wed, May 11, 2011
I still have problems with N networks on my HP TouchSmart tm2-1090eg. It works
way better than back in 10.10, but surfing websites is still hardly possible
(wasn't possible at all in 10.10 from what I observed).
My adapter:
03:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000
Does it also have the received BA when not expected and the tid
errors?
Pedro Nariyoshi
On Tue, May 10, 2011 at 5:26 PM, Frederik Möllers 630...@bugs.launchpad.net
wrote:
I still have problems with N networks on my HP TouchSmart tm2-1090eg. It
works way better than back in 10.10, but
Nothing about the BA when not expected, but I got several of these:
iwlagn :03:00.0: Aggregation not enabled for tid 0 because load = number
Where the number at the end of the line is either 0, 1, 2 or 7.
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I don't know if this helps but I received this today. I have a Thinkpad
X300 with a 4965
iwlagn :03:00.0: Microcode SW error detected. Restarting 0x200.
iwlagn :03:00.0: Loaded firmware version: 228.61.2.24
iwlagn :03:00.0: Start IWL Error Log Dump:
iwlagn :03:00.0: Status:
Just to let you know that my problem is now fixed.
Didn't work in 10.10 I wasn't able to use wifi N at all.
Now with 11.04 I can use wifi G and N no problem.
I have an ACER 8735G (intel 5100)
Thank you
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Please disregard my last comment. I discovered that the problem was my
HDD - a Seagate Momentus XT Hybrid (which has 4GB of SSD and uses a
cashing algorithm). I tried upgrading the firmware on the Momentus XT to
D25, but this only made my networking problems in 11.04 worse. Doing a
clean install
I have a Sony Vaio VPCF11S1E/B. Executing lspci | grep -i network
produces:
02:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200
(rev 35)
I am running the final release of 11.04 (all updates have been applied).
WiFi network functionality is unreliable, this is especially
Me too, with natty seems working fine with N support enabled.
02:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300
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I observe the same behaviour as James Sams, same controller.
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Title:
iwlagn degrades quickly during normal wifi session
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I have been using Natty for a few days now and my 802.11n card is working fine.
lspci output: Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN
[Kedron] Network Connection (rev 61)
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I just upgraded from 10.04 to 10.10 and then 11.04 and am experiencing
this problem. Wireless was dropping out every couple minutes between
rmmod/modprobe and these were showing up in dmesg:
[ 129.176839] iwlagn :03:00.0: low ack count detected, restart firmware
[ 129.176844] iwlagn
I've installed 11.04 on a separate partition and with my 4965 card I seem to be
running just fine in N mode (by default, out-of-the-box). I installed a few
hundred megs of updates with no trouble other than a couple few second pauses
(but that may well be more due to the repos than my
Ok, I have upgraded my T61 laptop to Natty. I am 4 days before GA but I
expect that this close to GA it will have what we see on Thursday. So,
if I wanted to test with a 4965 to see if it works or not with 802.11n,
what would I need to do? I can say that when I tried it out of the box
it did not
jjohansen on #ubuntu-kernel told me to post my version numbers here for
the known broken revisions:
Linux pearl 2.6.38-8-generic-pae #42-Ubuntu SMP Mon Apr 11 05:17:09 UTC
2011 i686 i686 i386 GNU/Linux
These are the relevent package versions.
ii module-init-tools
Could somebody report back on 4965 performance in Natty? Thanks!
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Title:
iwlagn degrades quickly during normal wifi session
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I'm running an X200s, with an Intel 5300 AGN, on natty 11.04, with
module-init-tools, 3.12-1ubuntu6, which is 1 revision after the version
in which this problem is supposedly fixed.
I cannot sustain a download for more than a few seconds without the
wireless crashing and needing to either a) wait
Discovered which workaround works:
in /etc/modprobe.d/iwlagn.conf
options iwlagn 11n_disable50=1 11n_disable=1
Prior to using that workaround my wireless would crash almost
immediately when I attempted to do anything more than very low speed web
browsing, requiring a modprobe -r/modprobe of
Alexander, Andrew - I removed the 802.11n exclusion parameter for Natty
on the advice of the primary Intel wireless developer. She said she
believes the issues with 802.11n on the 4965 part have been fixed. Note
that there is only _one_ driver that services all Intel wireless parts
(except for
Support for 4965 is still contained in the iwlagn
driver even though considered a legacy device. Intel affirms
802.11n should work. iwl3945 is no longer supported and will never
have a functional 802.11n mode.
I don't understand this comment either and agree with Alexander Hall; It
** Changed in: linux-firmware (Ubuntu Natty)
Milestone: ubuntu-11.04-beta-1 = ubuntu-11.04-beta-2
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Title:
iwlagn degrades quickly during
This isn't likely to get fixed for legacy devices iwl3945 or iwl4965.
Marking Won't Fix for Natty/Maverick
** Changed in: linux-firmware (Ubuntu Natty)
Importance: High = Undecided
** Changed in: linux-firmware (Ubuntu Natty)
Status: Confirmed = Won't Fix
** Changed in: linux-firmware
Is this going to be fixed for 5100 in Maverick? And what I mean by fix,
I mean not disabling 'n', but fixing it...
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Title:
iwlagn degrades
Peshko - you'll have to install one of the Maverick linux-backports-
modules compat-wireless packages, then comment out the options line in
/etc/modprobe.d/intel-5300-iwlagn-disable11n.conf
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Thanks Tim! One last question, is this going to be the name of the file
since my card is 5100? Where can I download the package from?
Thanks again!
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Tim,
Then why in your patch change notes you state Support for 4965 is still
contained in the iwlagn driver even though considered a legacy device.
Intel affirms 802.11n should work.?
Thanks,
Alex
On Mon, 2011-04-04 at 19:39 +, Tim Gardner wrote:
This isn't likely to get fixed for legacy
This bug was fixed in the package module-init-tools - 3.12-1ubuntu5
---
module-init-tools (3.12-1ubuntu5) natty; urgency=low
* Added intel-3945-iwlagn-disable11n.conf
The iwlwifi driver is now split into legacy 3945 and
everything else as of 2.6.38. Support for 4965 is
Hi Tim,
+dpkg-maintscript-helper rm_conffile /etc/modprobe.d/intel-5300-iwlagn-
disable11n.conf 3.12-1ubuntu4 -- postrm $1
The arguments (in each of the scripts) should be:
dpkg-maintscript-helper rm_conffile /etc/modprobe.d/intel-5300-iwlagn-
disable11n.conf 3.12-1ubuntu4 -- $@
i.e., pass
Just that I'm not seeing any .38 compat-wireless package in my
repository yet. So I guess it's a waiting game til such is released?
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Title:
The .38 compat-wireless package can be found in maverick-proposed
repository.
I just retested this on up-to-date maverick, with the compat-
wireless-2.6.38 package from maverick-proposed and latest firmware from
Intel (8.83.5.1, dated 2011-02-25).
Hardware is Acer Aspire One with Intel 5300
Use dpkg-maintscript-helper with literal $@ according to the comments
in https://bugs.launchpad.net/ubuntu/+source/linux-
firmware/+bug/630748/comments/68
** Patch added: Enable 802.11n on non-legacy devices (V3)
** Changed in: module-init-tools (Ubuntu Natty)
Status: In Progress = Fix Committed
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Title:
iwlagn degrades quickly during normal wifi
Intel split the legacy drivers into 2 modules. so it appears that we
might be able to turn 802.11n support back on for 2.6.38. Alternatively,
those of you jonesing for 802.11n can install one of the compat-wireless
packages from -backports for either Lucid or Maverick.
** Changed in:
** Patch added: Enable 802.11n on non-legacy devices
https://bugs.launchpad.net/ubuntu/natty/+source/module-init-tools/+bug/630748/+attachment/1950109/+files/module-init-tools_3.12-1ubuntu5.patch
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Use dpkg-maintscript-helper in preinst, postinst, and postrm
** Patch added: Enable 802.11n on non-legacy devices (V2)
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/630748/+attachment/1951402/+files/module-init-tools_3.12-1ubuntu5.patch
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** Changed in: module-init-tools (Ubuntu Natty)
Milestone: None = ubuntu-11.04-beta-2
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Title:
iwlagn degrades quickly during normal wifi
Regarding the compat-wireless packages - so if I were running Maverick
with a 2.6.35 (or whatever it is) kernel and an intel 4965, I could
install a compat-wireless package (for lucid, or 2.6.32/33/34) to
restore full 802.11n functionality (older wireless drivers replacing
newer ones in the kernel
I would like to know the same thing. I upgraded from 10.04 to 10.10 last
night, in preparation for new things to come with 11.04. My intel 4965 card
is keeping a solid connection at 54 mbps, but I would like my old speeds
back if possible.
On Mon, Mar 28, 2011 at 7:00 PM, dennis1200
I don't know why, but even though I get the received BA when not expected
I don't have too many connections lost (I'm not sure about slowdowns
though).
It annoys me a little, but the extra range is worth it, I live in a building
made out of reinforced concrete (concrete with a metal grid inside)
Las coneciones para internet y wi-fi se pierden con frecuenca
diariamente
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Title:
iwlagn degrades quickly during normal wifi session
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what i don't get: This bug seems to be regression, since everything
worked fine before upgrading to Maverick. So why is it that they can't
fix it?
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Just wanted to add that intel will not be fixing this issue for legacy
devices, including the 4965agn:
In reference to the splitting of the iwlagn driver with a legacy branch, will
the 4965agn get a similar fix. These network cards have similar issues,
including the Received BA when not
Hopefully a workaround of some sort will be released.
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Title:
iwlagn degrades quickly during normal wifi session
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Doesn't seem likely for older installs...
Den 23 mar 2011 00.26 skrev Pedro Nariyoshi pedro.nariyo...@gmail.com:
Hopefully a workaround of some sort will be released.
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Hey Petter, I've been using the Liquorix kernel. Currently at 2.6.37. Check
it at http://liquorix.net/
2011/3/9 Petter Sundlöf petter.sund...@gmail.com
Is there a PPA with bleeding-edge kernels availible somewhere? The
various places I found only offered as far as 2.6.36~
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Unfortunately that kernel doesn't work with fglrx
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I'm not sure, but I think that fglrx is to blame for that.
I had a HD3200 and every time the kernel was updated I had trouble. Try the
radeon driver instead (I guess you need to unblacklist it firts)
I'm running it pretty reliably on my X300, Intel 4965, but haven't tested
all that thoroughly.
Is there a PPA with bleeding-edge kernels availible somewhere? The
various places I found only offered as far as 2.6.36~
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Title:
iwlagn degrades
The current natty kernel (from today) uses the new Intel ucode release
(version 8.83.5.1 build 33692) and I can still kill my wireless reliably
with iperf -u or netio -u.
My AP is a current OpenWrt with ath9k running 802.11na.
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I just tested it using 2.6.38-rc5-git6 built myself on Ubuntu 10.10
(not the latest but damn close) and things didn't seem to tank like
they used to but they are still only transferring at about 5MB/sec
after a bit.. Now after a fresh reboot I'm getting about 9-10MB/sec.
I finally booted into
I have an Intel PRO/Wireless 4965AGN Mini-PCI Express in my laptop, and
when I comment off the line that disables N wifi, and connect to 5GHz N,
it works just fine, at 270 Mb/s. I stressed it hard for 15 minutes or
longer, just to be sure. If it stops working after a number of hours,
I'll post
Would it be possible to do a workaround by locking the kernel version to
a pre-problem version (kernel .34 or earlier)? Would that really wonk
out the upgrade process or would everything still hum along with an
earlier than default kernel version?
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** Tags added: regression-release
** Tags removed: regression-potential
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Title:
iwlagn degrades quickly during normal wifi session
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Importance: Unknown = High
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Title:
iwlagn degrades quickly during normal wifi session
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** Changed in: linux
Status: Unknown = Confirmed
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Title:
iwlagn degrades quickly during normal wifi session
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** Changed in: linux-firmware (Ubuntu Natty)
Milestone: natty-alpha-2 = ubuntu-11.04-beta
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Title:
iwlagn degrades quickly during normal wifi
** Branch linked: lp:ubuntu/module-init-tools
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Title:
iwlagn degrades quickly during normal wifi session
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I've tested the experimental firmware (iwlwifi-5000-exp-8.83.5.1) with a
5300 card and kernel 2.6.36.2. Initially it seems to have solved the
problem. iwconfig reported bit rate maxes out at 300 Mb/s (though it
drops to 6 Mb/s during inactivity). File transfer rates are
significantly greater
Craig, I think you should post in the upstream kernel bug, because
there’s been a positive report now.
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Title:
iwlagn degrades quickly during
Sorry, missed the upstream link above...
https://bugzilla.kernel.org/show_bug.cgi?id=16691#c82
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Title:
iwlagn degrades quickly during normal wifi
Very interested to hear if anyone can verify this rectifies the 11n
problem...
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Title:
iwlagn degrades quickly during normal wifi session
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to disable N on 5300 you probably need to set 11n_disable50=1 (at least
it worked for me on 10.04)
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Title:
iwlagn degrades quickly during normal
Intel posted experimental iwlwifi 5000 ucode here now:
http://www.intellinuxwireless.org/?n=experimental
Anyone want to test this? I’m to lazy to compile kernel to enable
experimental firmware.
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I'm thoroughly confused. Yesterday I enabled N on my WAP and the
previously rock solid wireless connection for my Intel 5300 equipped
T500 became very unstable. Several times the connection dropped to the
point where network-manager presented me with the password page. At
other times it would drop
Is there not any chance of a real fix (for 5100 AGN in my case) coming
for 10.10?
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Title:
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Still pending on Intel firmware ucode update, no?
http://article.gmane.org/gmane.linux.kernel.wireless.general/61690
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Title:
iwlagn degrades
** Changed in: linux-firmware (Ubuntu Natty)
Milestone: natty-alpha-1 = natty-alpha-2
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Title:
iwlagn degrades quickly during normal wifi
Hi,
Same problem here on a Thinkpad X201 with Intel Advanced-N 6200 and
Ubuntu 10.10.
I am not a very experienced Ubuntu user, by the way, and I don't quite
get why when I try to install linux-backports-modules-wireless-maverick-
generic, I get a message saying it depends on
Intel releases experimental firmware for the 1000 and 6050 cards
(http://intellinuxwireless.org/?n=experimental). Is there any support
(or plan for support) to use these or do I have to compile the whole
kernel on my own?
If not, how difficult would be to provide a DKMS package for modules
using
I have an Intel Advanced-N 6200 card. I have re enabled n support and
have normal throughput/packet loss on both g and n connection. I guess
this bug is not affecting all cards with the iwlagn driver. This is on a
fully updated natty installation.
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iwlagn degrades quickly during normal wifi
Interesting what file did you change? I'll try again in Maverick.
~Brett
On Nov 22, 2010 9:16 AM, Jesper Larsen jellerhims...@hotmail.com wrote:
I have an Intel Advanced-N 6200 card. I have re enabled n support and
have normal throughput/packet loss on both g and n connection. I guess
this bug
I changed /etc/modprobe.d/intel-5300-iwlagn-disable11n.conf (Just put a
0 instead of a 1)
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I have N-6300 chip in a Lenovo T510, and I have great problems with the
wlan even g mode ( no n available to test ). Will the disabling of n
help this situation as well ( seems unlikely to me )?
The chip was working just fine in FreeBSD :/
There are no errors logged to dmesg. The network just
git11-2.6.36
commit 822395b591db32ad3cf8a5b57b0fe30fb8d12c37
Author: Don Fry donald.h@intel.com
Date: Sat Oct 23 09:02:50 2010 -0700
iwlwifi: quiet a noisy printk
Timing issues in microcode for some devices can cause a compressed BA to
be sent to the driver prior to
Any news on this? I want to upgrade to Maverick, but not as long as the
iwlagn performs worse than on Lucid. I run 802.11n on Lucid with great
speed and no problems...
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I have the same exact issue in 10.4, with kernel 2.6.32-25-generic.
Desperate for an update for progress on intel's firmware fixes. I'm not
eligible for the maverick module-init-tools fix so I disabled n on my
router. Not a pleasant solution because throughput is much worse than
I'm used to with
What is status of this bug, is it fixed. I have 4965AGN and WRT160NL and
11n usage is practically impossible because of this bug and in g mode
then it sometimes really degrades like slug. Worst is that i cannot use
other cards because of horrible HP bios is blocking.
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iwlagn degrades quickly
I doubt it since it's not Intel specific issue. It's more general. The
proposed fix here or some similar should be applied to the released
kernels otherwise with each kernel update one will always have to
apply it manually again and again. That's to say the kernel
development team should be
Oops, sorry! The last post wasn't meant for here.
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there was a commit around two days ago in the iwlwifi git that maybe will fix
this problem, see here:
http://git.kernel.org/?p=linux/kernel/git/iwlwifi/iwlwifi-2.6.git;a=commit;h=1c3a1973b2d7c46c886d243367dcc5988a4ef704
maybe it's related, maybe not, i found it searching a fix for the iwl3945
http://comments.gmane.org/gmane.linux.kernel.wireless.general/52199
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iwlagn degrades quickly during normal wifi session
https://bugs.launchpad.net/bugs/630748
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ubuntu-bugs mailing
Does this affect 4965AGN cards on Maverick?
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iwlagn degrades quickly during normal wifi session
https://bugs.launchpad.net/bugs/630748
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As I understand it, it affects any card that uses the iwlagn driver (I
think yes).
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iwlagn degrades quickly during normal wifi session
https://bugs.launchpad.net/bugs/630748
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Is there a reason why the firmware from Lucid can't be used, since it
didn't have this problem?
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iwlagn degrades quickly during normal wifi session
https://bugs.launchpad.net/bugs/630748
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According to the packages (and the modification times of the files
within), the firmware hasn't changed for at least 1 year.
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iwlagn degrades quickly during normal wifi session
https://bugs.launchpad.net/bugs/630748
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