** Changed in: linux
Importance: Unknown = Medium
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https://bugs.launchpad.net/bugs/369005
Title:
ath5k : disconnection / slow network - unsupported jumbo error
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** Changed in: linux
Status: Unknown = Fix Released
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Title:
ath5k : disconnection / slow network - unsupported jumbo error
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I'm still seeing occasional unsupported jumbo messages, but the card does
appear to work fairly reliably,
I have not seen it fall over in days. Thanks Maxim. I haven't made speed tests
but it's not irritatingly slow.
Not seeing any noise floor messages.
$ uptime
21:17:49 up 2 days, 11:48, 7
PS. this host is running 'lucid'.
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ath5k : disconnection / slow network - unsupported jumbo error
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This is really fixed in maveric
** Changed in: linux (Ubuntu)
Status: Triaged = Fix Released
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ath5k : disconnection / slow network - unsupported jumbo error
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I have the same defect in my laptop ACER Apire 5610Z with Atheros AR2413
802.11bg.
I try to use the script to eliminate the Jombo problem but without
succes:
Bureau$ sudo bash enable-aspm
Root complex:
Long loop while looking for ASPM word for 00:1e.0
Endpoint:
Long loop while looking for ASPM
By the way, Maxim Levitsky wrote that in order for ASPM L0s to be
disabled for legacy PCI-E cards (our ath5k ones) the kernel should be
built with CONFIG_PCIE_ASPM. No additional call to
pci_disable_link_state() is requred.
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ath5k : disconnection / slow network - unsupported jumbo error
Ubuntu Maverick Meerkat kernels are compiled with CONFIG_PCIE_ASPM
enabled so they are not suffering from this problem.
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ath5k : disconnection / slow network - unsupported jumbo error
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Using Linux 2.6.35-19-generic #25~lucid1-Ubuntu SMP Wed Aug 25 04:24:28
UTC 2010 i686 GNU/Linux Kernel solves the problem.
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ath5k : disconnection / slow network - unsupported jumbo error
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Workaround:
Just want to mention that they have published a workaround, which is
done in 5 minutes:
http://wireless.kernel.org/en/users/Drivers/ath5k#Eliminating_.60ath5k:_unsupported_jumbo.60_bug
It works well for me with AR5001 and 10.4.
The precise ASPM setting is the point:
https://lists.ath5k.org/pipermail/ath5k-devel/2010-August/004028.html
Atheros PCIe wireless cards handled by ath5k, don't work well with PCIe
ASPM L0s enabled.
For example, Acer Aspire One (AOA150, Atheros Communications Inc. AR5001
Wireless Network Adapter [168c:001c] (rev 01)) doesn't work
** Patch added: ath5k_base_l0s_aspm.patch
http://launchpadlibrarian.net/53245803/ath5k_base_l0s_aspm.patch
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ath5k : disconnection / slow network - unsupported jumbo error
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** Tags added: patch
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I've added your script to /etc/network/if-pre-up.d/ and it seems to fix
the bug. Many thanks!
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ath5k : disconnection / slow network - unsupported jumbo error
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Works for me as well. IMO this is a nicer solution that using a
backport kernel. I mean, I can use this together with the official LTS
kernels :)
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ath5k : disconnection / slow network - unsupported jumbo error
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There is a hardware bug on some adapters, such as Atheros 5007EG on Acer
Aspire One netbook. Connection may drop suddenly or work instable, dmesg
shows: ath5k: unsupported jumbo. The reason is a result of poor hardware
ASPM support. It is a hardware bug that is worked around in windows
driver by
Confirmed that linux-lts-backport-maverick fixes the problem on my
Aspire One A150. Thanks.
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ath5k : disconnection / slow network - unsupported jumbo error
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So far, I think the options are: (1) Compile/install madwifi; (2)
Install a kernel from the kernel ppa; the Maverick ones got it right;
(3) Recompile the Ubuntu kernel; (4) Wait for Maverick's release or use
another distribution (both the latest Fedora and OpenSuse do not have
this problem).
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Fair enough. I'll give the kernel ppa a shot. Thanks for the quick
response.
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ath5k : disconnection / slow network - unsupported jumbo error
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Alright, it's working for me now, after installing a backported maverick kernel
from the kernel ppa. For those of you who don't feel comfortable with
recompiling the kernel this seems to be the way to go:
1) Add deb http://ppa.launchpad.net/kernel-ppa/ppa/ubuntu lucid main to your
package
I hope I'm not coming across as whiny here, but is there a way to fix
this that doesn't involve me recompiling the kernel?
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ath5k : disconnection / slow network - unsupported jumbo error
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Confirm that disabling CONFIG_PCIEASPM and recompiling the Lucid kernel
fixes the disconnection problems. On an Aspire One 110, sudo lspci -vv
reads:
03:00.0 Ethernet controller: Atheros Communications Inc. AR5001 Wireless
Network Adapter (rev 01)
Subsystem: Foxconn International, Inc.
This is pretty much understood and fixed.
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=13892
Importance: Unknown
Status: Unknown
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ath5k : disconnection / slow network - unsupported jumbo error
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@23: Unfortunately, that fix hasn't been backported to Lucid yet.
lspci -vvv on my Acer Aspire One running 10.04 shows ASPM L0s L1
Enabled. Log attached.
** Attachment added: Acer Aspire One: lspci -vvv
http://launchpadlibrarian.net/51006117/ASPM%20Is%20Enabled%20on%20AR5001
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ath5k :
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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ath5k : disconnection / slow network - unsupported jumbo error
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In fact I found out that at least AR5001 ASPM will be disabled automatically if
kernel is compiled with
CONFIG_PCIEASPM it will be disabled.
Maveric kernel *is* compiled with CONFIG_PCIEASPM, therefore the card
should work out of box.
To see if ASPM is disabled on your wireless card do 'sudo
Jussi Kivilinna's patch (see #20) is working great for me too. Please
push the patch mainline.
Thank you very much for the good work!
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ath5k : disconnection / slow network - unsupported jumbo error
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Don't see jumbo packet warnings with the ath5k build from the bleeding edge
tarball.
Probably this is why:
http://article.gmane.org/gmane.linux.kernel.wireless.general/50642
Seems the jumbo warning has been disabled recently.
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ath5k : disconnection / slow network - unsupported jumbo error
Looks like a fix is in the pipline:
https://bugzilla.kernel.org/show_bug.cgi?id=13892
Will give it a try when I have time to patch the source rebuild.
** Bug watch added: Linux Kernel Bug Tracker #13892
http://bugzilla.kernel.org/show_bug.cgi?id=13892
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ath5k : disconnection / slow network
Applied Jussi Kivilinna's patch (see #20 above) to compat-
wireless-2010-05-29, and compiled against 2.6.32-22-generic. Had to
change calls to pci_pcie_cap() in the patch to calls to
pci_find_capability():
From:
pos = pci_pcie_cap(pdev);
pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
Continued from #17 above.
Sorry, should have said this is Ubuntu NBR 10.04.
Standard linux-backports-modules-wireless-2.6.32.22 ath5k drivers (from 10.04
repository) show loss of connection, so I tried the bleeding edge versions
built from source.
BTW, I'm not totally convinced the jumbo
Just tried Wireless Compat bleeding edge tarball compat-
wireless-2010-05-29.tar.bz2. Connection drops with high downlink
loading. AAO A150 with AR5001.
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ath5k : disconnection / slow network - unsupported jumbo error
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I am marking as HIgh importance. From
https://wiki.ubuntu.com/Bugs/Importance:
High: A bug which fulfills one of the following criteria:
* Has a severe impact on a small portion of Ubuntu users (estimated)
* Makes a default Ubuntu installation generally unusable for some users
Same problem here running on Acer Aspire 5050 with Atheros AR5001 Wireless
Network Adaptor.
Everything was fine on Karmic until I upgraded to Lucid.
Curiously, there is no problem with my Acer Aspire One (also running on Lucid),
wich has the same wireless adaptor.
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ath5k : disconnection /
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