Cut from Bug Description.
** Attachment added: kernel-log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1036427/+attachment/3768745/+files/kernel-log
** Description changed:
My laptop has been experiencing occasional drops from the 802.11n
wireless with the current kernel. When
As vorlorn mentoned, this seems to be a heat related issue. It started
when my office's air conditioning stopped working in the tropical heat.
One way I found to solve the problem is to remove the device from the
PCI bus and rescan. This seems to re-initialize it to a working state.
1) Wait for
I can also confirm this bug still being present...
seif@Wumbo:~$ dmesg | grep iwl
[3.184898] iwlwifi :02:00.0: irq 43 for MSI/MSI-X
[3.546925] iwlwifi :02:00.0: loaded firmware version 9.221.4.1 build
25532 op_mode iwldvm
[3.567881] iwlwifi :02:00.0:
Please fix this bug, intel 6235 N Advance is unusable
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Title:
unreliability with Centrino Ultimate-N 6300 wireless connection,
802.11n
To
This is definitely still an issue as of 5/17/2013 on Ubuntu 13.04.
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Title:
unreliability with Centrino Ultimate-N 6300 wireless connection,
I can confirm that this bug:
a) Is real.
b) Has NOT been fixed. It's still present on the most recent kernel.
ASFAIK, it has not been fixed in upstream, but it *has* been fixed in
Fedora. This is the relevant bug report:
https://bugzilla.redhat.com/show_bug.cgi?id=863424
The patches are in
There is nothing in that question to indicate it's related to the bug
I'm experiencing. My antenna doesn't become soft-blocked in the rfkill
interface when this happens, and the problem only occurs *after*
successful connection to the 802.11n network.
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Please try post #11 at the end of the following thread:
https://answers.launchpad.net/ubuntu/+source/gnome-
nettool/+question/220173
Execute these Terminal commands:
sudo modprobe -r iwlwifi
sudo modprobe iwlwifi bt_coex_active=0
gksudo gedit /etc/modprobe.d/iwlwifi.conf
Using the gedit
Please continue investigating this issue.
Same issue here:
https://answers.launchpad.net/ubuntu/+source/gnome-
nettool/+question/214795
Chris Bradfield is using the newest Linux kernel
3.7.0-030700rc6-generic #201211162135 SMP Sat Nov 17 02:36:34 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux and
just hit the bug again with 3.5.0-13.
Sep 24 17:06:34 virgil kernel: [858006.506717] iwlwifi :02:00.0: Queue 4
stuck for 2000 ms.
Sep 24 17:06:34 virgil kernel: [858006.506725] iwlwifi :02:00.0: Current SW
read_ptr 191 write_ptr 194
Sep 24 17:06:34 virgil kernel: [858006.524882]
Possibly the same bug with RH kernel:
https://bugzilla.redhat.com/show_bug.cgi?id=805285
And bug #1009878 looks to be the same (different hardware, same driver).
wd_disable=1' is recommended as a workaround in an lkml thread:
http://lkml.indiana.edu/hypermail/linux/kernel/1203.0/01381.html
**
Tagging rls-q-notfixing for now until we have more data on hand.
Thanks.
** Tags added: rls-q-notfixing
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Title:
unreliability with Centrino
This problem hasn't recurred since the upgrade to -9, and I'm on -13
now. So I think this has been fixed.
** Changed in: linux (Ubuntu)
Status: Incomplete = Fix Released
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Thanks for the feedback, Steve. I'll mark as incomplete for now. Feel
free to change back to confirmed when additional data is available.
** Tags removed: kernel-key
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Do you happen to have a way to reproduce this bug? If so, does it take
a long time to reproduce? It still would be helpful to know if this is
fixed in v3.6-rc1.
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On Tue, Aug 14, 2012 at 03:42:40PM -, Joseph Salisbury wrote:
Do you happen to have a way to reproduce this bug?
Other than waiting for it to happen, I don't think so. I'm now booted to
3.5.0-9-generic, and a manual modprobe -r/modprobe cycle doesn't trigger the
EEPROM error. I can try
** Changed in: linux (Ubuntu)
Importance: Undecided = High
** Tags added: rls-q-incoming
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Title:
unreliability with Centrino Ultimate-N 6300
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Title:
unreliability with Centrino Ultimate-N 6300 wireless connection,
802.11n
Hi Steve,
Did this just start happening after a recent update?
** Tags added: kernel-key
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Title:
unreliability with Centrino Ultimate-N 6300
Also, the v3.6-rc1[0] kernel is now available. It would be helpful if
you could test that kernel to see if this has already been fixed in
mainline.
Thanks
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.6-rc1-quantal/
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On Tue, Aug 14, 2012 at 12:48:31AM -, Joseph Salisbury wrote:
Did this just start happening after a recent update?
Yes. The first occurrence was on August 6, with the 3.5.0-7-generic kernel
(linux 3.5.0-7.7). Today's occurrence was with 3.5.0-8-generic. So it's
infrequent enough to be
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