I have narrowed the problem further to commits in 2.6.39, likely
somewhere in the splitting of iwl3945 drivers into iwlegacy directory[1]
I am struggling to get any further narrowing it down as either I am
facing kernel build issues or wireless is not working on the builds that
are in the middle
** Bug watch added: Linux Kernel Bug Tracker #65741
http://bugzilla.kernel.org/show_bug.cgi?id=65741
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=65741
Importance: Unknown
Status: Unknown
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I did... A17 06/19/2013
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https://bugs.launchpad.net/bugs/1037718
Title:
Intel wifi led is off after resuming from suspend
Status in “linux” package in Ubuntu:
Triaged
** Tags removed: bios-outdated-a17
** Description changed:
- The problem I have found is that if I suspend the laptop then upon
- resuming the wifi led is permanently off yet the wifi still works
- properly. Also it is not just suspend that affects the LED, using the
- hardware wifi switch on
Cas, could you please test the latest upstream kernel available (not the daily
folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow
additional upstream developers to examine the issue. Once you've tested the
upstream kernel, please comment on which kernel version
Since this is a kernel issue the BIOS update is irrelevant to this issue
but I did it anyway and the issue persists.
I just now reported it upstream to wireless mailing list so will see
what happens there.
** Tags removed: bios-outdated-a17
** Tags removed: quantal
** Tags added: saucy
** Tags
I narrowed this down to working in kernel 2.6.38 (Natty) but stopped
working in 3.0 onwards.
Also it is not just suspend that affects the LED, using the hardware
wifi switch on the laptop results it the same problem that the LED is
permanently off after turning wifi back on.
The only way to get
Cas, actually broken and outdated BIOS code can cause a myriad of issues
as already documented in countless Launchpad reports, and
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1037718/comments/5
.
Pending results of
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1037718/comments/4
.
I said that I updated to A17 (06/19/2013) and re-tested so I don't know
why you are reverting the changes.
** Changed in: linux (Ubuntu)
Status: Incomplete = Triaged
** Tags removed: bios-outdated-a17
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Cas, please post the following terminal output as previously requested:
sudo dmidecode -s bios-version sudo dmidecode -s bios-release-date
** Description changed:
- I have set the wifi options iwlegacy led_mode=1 in
/etc/modprobe.d/wlan.conf to stop the led blinking, which works as expected.
Cas, as per
http://www.dell.com/support/drivers/us/en/19/Product/precision-m4300 an
update is available for your BIOS (A17). If you update to this following
https://help.ubuntu.com/community/BiosUpdate , does it change anything?
If not, could you please both specify what happened, and provide the
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