bugzilla.intellinuxwireless.org doesn't exist anymore.
** Changed in: linux
Importance: Medium => Undecided
** Changed in: linux
Status: In Progress => New
** Changed in: linux
Remote watch: bugzilla.intellinuxwireless.org/ #2328 => None
** Tags added: latest-bios-203 needs-upstream-
Vikrant, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest development release
of Ubuntu? ISO images are available from http://cdimage.ubuntu.com
/daily-live/current
This bug makes daily work a real pain - my wifi is constantly going down
and I have to press the hardware kill switch twice to get it back up
again.
As a work-around, based on the upstream report, I have been running a
script to force the adapter into (slower) g-mode:
sudo rmmod iwlwifi
sudo modp
Please ignore my last comment. I looks like an upstream bug was already opened:
auto-bugzilla.intellinuxwireless.org #2328
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Title:
Wireless perfo
This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report at bugzilla.kernel.org [1]? That will allow the upstream
Developers to examine the issue, and may provide a quicker resolution to
the bug.
If you are
Tried RC 6, Still no luck.
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https://bugs.launchpad.net/bugs/994104
Title:
Wireless performance issues on kernel 3.4.0-1-generic (iwlwifi)
To manage notifications about this bug go to:
@Eric The connection is idling at 48mbps and goes to around 36 mbps but
is stable with 11n_disable=1 flag on 3.4 kernel. However, same flag
keeps connection stable at 54mbps on precise kernel. It looks like, that
connection on g is still stabler on precise kernel, although the lock
ups are not ther
I am seeing this with this kernel. I have used all of the 3.4.0 release
candidates up to rc4 with a precise install with no problem. I use a
Broadcom card bcm4312.
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** Changed in: linux
Status: Unknown => In Progress
** Changed in: linux
Importance: Unknown => Medium
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Title:
Wireless performance iss
Confirming with the Intel 6230 card.
You need to modprobe with 11n_disable=1 to avoid the bug.
** Bug watch added: bugzilla.intellinuxwireless.org/ #2328
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2328
** Also affects: linux via
http://bugzilla.intellinuxwireless.org/show_bug.c
Sorry for the spam. But looks like I am getting lot of "invalid-misc" on
newer kernel. I am monitoring connection with
$ watch --interval 5 iwconfig wlan0
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Ok I tested with WEP (I had to enable mixed mode g/n to enable WEP).
- On 3.2 kernel, again connection was rock solid at 54 mbps no matter what I
browse.
- On 3.4, connection seem to max at 36 mpbs, fluctuates between 6 to 22 mbps
on some internet traffic. File transfer rates are lower, but it
The issue manifests, as soon as I start to access websites.
Precise kernel is rock solid on around (10mbps internet traffic):
wlan0 IEEE 802.11bgn ESSID:"Kxak"
Mode:Managed Frequency:2.432 GHz Access Point: 1C:7E:E5:30:E3:DC
Bit Rate=65 Mb/s Tx-Power=15 dBm
Yes Joseph, that's correct. Connection is stable on precise kernel and
very unstable (going up and down and down and up and eventually
throttles at 1mbps). I am playing with various router configurations,
let me report back..
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Vikrant,
If you keep the system in the same location, connected to the same
router and reboot into the precise kernel, does the issue go away?
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Tit
Security - ? I am on WPA-PSK. Could it be certain wireless configuration
? How can I debug further ? If I could get a graph/table or something
which gives me connection speed with time. I could report how connection
speed degrades on the two kernels..
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Something environmental? I've just tested the same Intel Corporation
Centrino Wireless-N + WiMAX 6150 BGN against a Cisco WRT310 and am
seeing 96-101 Mbit/sec on both Precise (3.2.0-24.38) and Quantal
(3.4.0-1.3).
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Bugs, whic
** Tags removed: kernel-key
** Tags added: kernel-da-key
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Title:
Wireless performance issues on kernel 3.4.0-1-generic (iwlwifi)
To manage notifi
Yes, I have not seen this issue on any precise kernel (3.2.0-XX). I
bumped into the issue while testing mainline 3.4 RC2, and it kept
reproducing through all RCs. Now when 3.4 hit quantal repos, I am seeing
the issue again. When I boot back into precise kernel - linux-
image-3.2.0-24-generic, I don
@Vikrant,
Was there a prior kernel version or Ubuntu release where you didn't see
this issue?
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Tags added: kernel-key
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Screenshot showing gutted connection
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Title:
Wireless performance issues on kernel 3.4.0-1-generic (iwlwifi)
To manage notifications about this b
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
Wireless performance issues on kernel 3.4.0-1-generic (iwlwifi)
To manage n
** Summary changed:
- Wireless performance issues on kernel 3.4.0-1-generic
+ Wireless performance issues on kernel 3.4.0-1-generic (iwlwifi)
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