yeah, it is still alive in karmic.
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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This bug seems very much alive on 2.6.31-15 on Karmic
# uname -a
Linux hardline 2.6.31-15-generic #50-Ubuntu SMP Tue Nov 10 14:53:52 UTC 2009
x86_64 GNU/Linux
PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND
937 root 15 -5 000 R 100 0.0
Moving status from Fix Committed to Fix Released based on the fact that
linux-backports-modules-2.6.27 should resolve this issue for Intrepid
and Joel commented he's moved to the 2.6.28 Jaunty kernel which also
should not exhibit this issue. Thanks.
** Changed in: linux (Ubuntu)
Status:
Joel, just to confirm, have you rebooted since installing the l-b-m
package? Installing the package alone won't cause the l-b-m version of
the driver to be used if the mainline driver is already loaded.
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
You received
Yes, I have rebooted since installing the updates.
I believe the only time I saw the SKB errors was when my machine was
running out of memory and oomkiller was invoked.
In the mean time I have switched from Ubuntu's kernels to running 2.6.28
release candidates, so it is unlikely I will see this
The bug is only fixed in linux-backports-modules, not in the mainline
driver.
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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Sorry, I failed to mention that I have l-b-m installed
$ apt-cache policy linux-backports-modules-2.6.27-7-generic
linux-backports-modules-2.6.27-7-generic:
Installed: 2.6.27-7.4
and I have seen the issue with this version of iwlagn installed.
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iwl4965: Can not allocate SKB buffers
I'm still seeing the SKB buffers message with 2.6.27-7-generic on amd64.
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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** Changed in: linux (Ubuntu Intrepid)
Status: Triaged = Fix Committed
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iwl4965: Can not allocate SKB buffers
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I have that error and I don't use kill switch. I never shut down wireless. My
system:
Dell XPS m1530 + intel wireless 4965 + wpa network. Ubuntu intrepid
beta+updates(20.10.2008)
In my kern.log i see only:
Oct 19 14:44:09 michallo-laptop kernel: [ 8977.254130] iwlagn: Can not allocate
SKB
It looks like linux-backports-modules has pulled in an updated wireless
stack from upstream:
linux-backports-modules-2.6.27 (2.6.27-7.3) intrepid; urgency=low
[Tim Gardner]
* Added iwlwifi firmware
* Added the upstream compat-wireless-2.6 tree.
* Updated compat-wireless to
I have 4965, but do not seem to suffer from this problem running on both
WPA and open networks. Output of lspci -nnvv attached on the off chance
it helps.
** Attachment added: Non-problem lspci
http://launchpadlibrarian.net/18642100/good-lspci-vvnn
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iwl4965: Can not allocate SKB buffers
I've seen this reported too by the iwlagn driver for an iwl4965 AGN card
on an 11g WPA network with kernel 2.6.27-7-generic - the message Mattias
reported appears twenty times in my logs over the last two days. I'm not
sure if it would have caused any network problems since I also had the
wired
I'm seeing this as well:
[117134.271022] iwlagn: Can not allocate SKB buffers
[117134.271233] iwlagn: Can not allocate SKB buffers
[117134.271444] iwlagn: Can not allocate SKB buffers
Ubuntu 8.10, Linux fackamato-laptop 2.6.27-7-generic #1 SMP Fri Oct 10
03:55:24 UTC 2008 i686 GNU/Linux, iwl4965
On Fri, Oct 10, 2008 at 05:26:54PM -, Leann Ogasawara wrote:
Hi Matt,
Bug 276990 sounds like it might be the kernel panic you are seeing. The
bug reporter there commented the Oct-1-2008 compat-wireless iwlagn
module fixes the kernel panic issue. It sounds like Tim is working on
doing
Hi Matt,
Bug 276990 sounds like it might be the kernel panic you are seeing. The
bug reporter there commented the Oct-1-2008 compat-wireless iwlagn
module fixes the kernel panic issue. It sounds like Tim is working on
doing a backport right now to provide and updated wireless stack so
hopefully
Same issue post-10/8 updates, (as well as X being entirely out of
commission, but that's another bug). In case it helps this SKB buffer
issue, my most recent dmesg attached...
** Attachment added: dmesg
http://launchpadlibrarian.net/18428638/dmesg
--
iwl4965: Can not allocate SKB buffers
A few days ago, I experienced a kernel panic (flashing caps lock light)
under the same circumstances, so this can be worse than an SKB
allocation failure.
--
iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
You received this bug notification because you are a member
We have made develope team involved in this bug. They are investigating
on it, hard to reproduce.
Thanks for report this bug.
--
iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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The SKB allocation failures can be triggered fairly reliably in 2.6.27-2.3 by
causing some network traffic (using e.g. iperf) and writing data to my USB
harddrive (using dd). Running just iperf or dd is fine. However, as soon as I
run both at the same time, I get a lot of iwlagn: Can not
This still happens in 2.6.27-2.3, reproduced in the same fashion. I'm
attaching the latest dmesg demonstrating the error.
** Attachment added: dmesg-2.6.27-2.3
http://launchpadlibrarian.net/17360113/dmesg-2.6.27-2.3
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iwl4965: Can not allocate SKB buffers
The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the
upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would
appreciate it if you could please test this newer 2.6.27 Ubuntu kernel.
There are one of two ways you should be able to test:
1) If you are comfortable
The new version of iwl4965 driver will be released soon. Maybe this issue has
fixed in this release, I noticed there are several changes in rfkill. I'll
keep an eye on this bug.
Just be patient.
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
You received this
Is there anything I can do to help isolate the problem on my end since
you're unable to reproduce it?
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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Hi Matt,
I still can't reproduce it with the steps.But it seems some thing wrong
with the relationship between rfkill and iwl4965.
[ 1821.899402] Kill switch must be turned off for wireless networking to work.
[ 1826.834402] wlan0: No ProbeResp from current AP 00:16:47:93:43:30 - assume
out of
On Wed, Aug 06, 2008 at 01:58:11AM -, Huaxu wrote:
Hi, Matt,
How could I reproduce this bug on T61(7658CTO) or X61(7673J9C)? I tried
every thing I can do, none iwl4965: Can not allocate SKB buffers,
just identified the (bug 251423).
Could you tell me the steps and configuration to
On Wed, Aug 06, 2008 at 01:58:11AM -, Huaxu wrote:
How could I reproduce this bug on T61(7658CTO) or X61(7673J9C)? I tried
every thing I can do, none iwl4965: Can not allocate SKB buffers,
just identified the (bug 251423).
Could you tell me the steps and configuration to reproduce this
Hi, Matt,
How could I reproduce this bug on T61(7658CTO) or X61(7673J9C)? I tried
every thing I can do, none iwl4965: Can not allocate SKB buffers,
just identified the (bug 251423).
Could you tell me the steps and configuration to reproduce this bug?
--
iwl4965: Can not allocate SKB buffers
Hi Matt,
I'll get one of the kernel guys to take a peek. Thanks.
** Changed in: linux (Ubuntu)
Importance: Undecided = High
Assignee: (unassigned) = Ubuntu Kernel Team (ubuntu-kernel-team)
Status: New = Triaged
--
iwl4965: Can not allocate SKB buffers
Also just a note we've brought this to the attention of the Intel guys
as well.
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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This seems to be happening consistently now, even without the kill
switch activated, and triggers failures up the stack via hal (bug
251423) and NetworkManager (bug 251424).
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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** Attachment added: another dmesg
http://launchpadlibrarian.net/16277800/dmesg
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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** Attachment added: clean dmesg for system info
http://launchpadlibrarian.net/16191801/dmesg-2.6.26-3
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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** Attachment added: dmesg excerpt showing errors
http://launchpadlibrarian.net/16191805/page-alloc-failure.txt
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iwl4965: Can not allocate SKB buffers
https://bugs.launchpad.net/bugs/250139
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** Attachment added: lspci -vvnn
http://launchpadlibrarian.net/16191810/lspci.txt
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iwl4965: Can not allocate SKB buffers
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