zydas wireless cards report 100% quality signal

Bug #120622 reported by Jeff Fortin Tam
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Won't Fix
linux-source-2.6.22 (Ubuntu)
Won't Fix

Bug Description

I suspect this is a bug in the kernel. Bug report initated from http://bugzilla.gnome.org/show_bug.cgi?id=424306, but they rejected it saying it's most likely a driver problem.

There seems to be a problem for nm to interpret the signal strength of my NIC (which is a zydas chipset). Interestingly enough, iwconfig reports the signal strength correctly, but nm-applet shows all the networks at 100%.

I will attach a screenshot that explains a lot better than I do.

Steps to reproduce:
plug in a zydas-based network card

Actual results:
100% signal quality displayed on all networks

Expected results:
see 100% for 380 and 76% for "default"

Other information:
$ lsusb
Bus 003 Device 007: ID 0ace:1211 ZyDAS 802.11b/g USB2 WiFi

$ lsmod
Module Size Used by
zd1211rw 52868 0

$ uname -r
note: this also happens on Gutsy Tribe 1

Revision history for this message
Jeff Fortin Tam (kiddo) wrote :
Revision history for this message
Luke Plant (spookylukey) wrote :

I saw this bug in Gutsy, and in Hardy (kernel 2.6.24, which was actually useless for me due to bug #220013). I use KNetworkManager, not nm-applet, but otherwise was seeing the same thing -- all networks at 100%, though iwconfig says otherwise.

As per the request on #220013, I've installed linux-image-2.6.25 from Intrepid Ibex, which for me has fixed #220013, and this bug too.

Revision history for this message
Launchpad Janitor (janitor) wrote : This bug is now reported against the 'linux' package

Beginning with the Hardy Heron 8.04 development cycle, all open Ubuntu kernel bugs need to be reported against the "linux" kernel package. We are automatically migrating this bug to the new "linux" package. However, development has already began for the upcoming Intrepid Ibex 8.10 release. It would be helpful if you could test the upcoming release and verify if this is still an issue - http://www.ubuntu.com/testing . If the issue still exists, please update this report by changing the Status of the "linux" task from "Incomplete" to "New". We appreciate your patience and understanding as we make this transition. Thanks!

Revision history for this message
Leann Ogasawara (leannogasawara) wrote :

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 installing packages on your own, the linux-image-2.6.27-* package is currently available for you to install and test.


2) The upcoming Alpha5 for Intrepid Ibex 8.10 will contain this newer 2.6.27 Ubuntu kernel. Alpha5 is set to be released Thursday Sept 4. Please watch http://www.ubuntu.com/testing for Alpha5 to be announced. You should then be able to test via a LiveCD.

Please let us know immediately if this newer 2.6.27 kernel resolves the bug reported here or if the issue remains. More importantly, please open a new bug report for each new bug/regression introduced by the 2.6.27 kernel and tag the bug report with 'linux-2.6.27'. Also, please specifically note if the issue does or does not appear in the 2.6.26 kernel. Thanks again, we really appreicate your help and feedback.

Revision history for this message
Launchpad Janitor (janitor) wrote : Kernel team bugs

Per a decision made by the Ubuntu Kernel Team, bugs will longer be assigned to the ubuntu-kernel-team in Launchpad as part of the bug triage process. The ubuntu-kernel-team is being unassigned from this bug report. Refer to https://wiki.ubuntu.com/KernelTeamBugPolicies for more information. Thanks.

Revision history for this message
Jim Lieb (lieb) wrote :

This bug report was marked as Incomplete a while ago and has not had any feedback to provide the requested information. As a result this bug is being closed. Please reopen if this is still an issue in the latest Karmic 9.10 Alpha release http://cdimage.ubuntu.com/releases/karmic/ . Also, please be sure to provide any requested information that may have been missing. To reopen the bug, click on the current status under the Status column and change the status back to "New". Thanks.

Changed in linux (Ubuntu):
status: Incomplete → Won't Fix
Revision history for this message
Jeff Fortin Tam (kiddo) wrote :

Tested in karmic, issue is solved.

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