Kernel parameter to workaround this bug on an HP EliteBook 840 G1:
acpi_osi='!Windows 2012'
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Title:
[HP ProBook 450 G1 Notebook PC]
Alternative solution that worked for me on Linux 3.14.4, too:
CONFIG_HP_WIRELESS=y
Related bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1303420
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Steffen, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read the off
Sorry, I'm not an Ubuntu user. Just wanted to let you know about
possible solutions.
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Title:
[HP ProBook 450 G1 Notebook PC] Wireles
I confirm acpi_osi='!Windows 2012' kernel boot parameter works for me,
too (on an HP ProBook 450 G1), with Linux Mint 16 KDE (based on Ubuntu
13.10). I notice that there's a difference in "rfkill list" output with
and without this kernel boot parameter:
- without it:
0: phy0: Wireless LAN
CONFIG_HP_WIRELESS=y is a Linux kernel configuration option that is
available since Linux 3.14. You have to compile a new kernel unless
Ubuntu decides to backport this feature (IIRC Ubuntu 14.04 uses Linux
3.13).
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I see, thanks Steffen for your explanation.
I did some better tests. With acpi_osi='!Windows 2012' and the default
3.11.0-12-generic kernel, when I deactivate wifi using the switch button
I get the following output:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hp-wif
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Title:
[HP ProBook 450 G1 Notebook PC] Wireless switch not wor
Hi Christopher,
I switched the bug status to Confirmed because you had told me to do that. Why
Incomplete again, then? What should I do now?
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Mauro, the next step would be to fully reverse commit bisect in order to
identify the fix commit. Could you please do this following
https://wiki.ubuntu.com/Kernel/KernelBisection#How_do_I_reverse_bisect_the_upstream_kernel.3F
?
** Tags added: needs-reverse-bisect
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Hi Christopher, I will try to do my best.
First of all, what about my considerations on the acpi_osi kernel boot
parameter?
Secondly, I did a "binary search" of the first mainline kernel version
which works. The result is not so linear. I'll explain.
Version 3.11.2 (package name mentions 3.13.11
bug 1303737 should be fixed by commit
15d75fcebdf78d316a980487eddcac8e4f1574c8, which is in Trusty as of
Ubuntu-3.13.0-28.51. This commit is a cherry pick of upstream 54290fa6.
Can you test the 3.13.0-28.51 kernel and confirm if it fixes this bug or not?
It can be downloaded from:
https://launchp
Hi Joseph,
unfortunately with that kernel image I can't boot: after choosing it in the
GRUB boot menu, the screen stays blank and the password prompt for dm-crypt
does not show. If I choose the corresponding "recovery mode" entry, I get to a
screen with messy and corrupted graphics. I can't do a
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[HP ProBook 450 G1 Notebook PC] Wireless switch not wor
After installing also https://launchpad.net/~canonical-kernel-
team/+archive/ppa/+files/linux-image-
extra-3.13.0-28-generic_3.13.0-28.51_amd64.deb (as suggested by Jonathan
here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1303420/comments/21)
I can boot with this kernel image. The wifi s
** Tags removed: needs-reverse-bisect
** Tags added: cherry-pick
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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T
Had that issue also. Just installed the Linux subi 3.13.0-29-generic
#53-Ubuntu SMP Wed Jun 4 21:00:20 UTC 2014 x86_64 x86_64 x86_64
GNU/Linux kernel from the 14.04 repos and now the buttons works.
In Kubuntu when I press the button it turns "yellowish" and KDE Network
Manager shows Wifi as disabl
As stated here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1303737/comments/12
I verified this is fixed in Linux Mint KDE 16 and Ubuntu 13.10 by installing
the kernel package version 3.11.0-24.41.
Thanks!
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Package
** Changed in: linux (Ubuntu)
Status: Triaged => New
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Title:
[HP ProBook 450 G1 Notebook PC] Wireless switch not working
Sta
Hi Christopher, thanks for your support. I just tried the AMD64 ISO
image of the daily snapshot of 14.04 from the links you provided. The
behaviour is the exact same one of 13.10 (i.e.: button not working, same
message in dmesg, orange led even when WiFi is enabled).
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** Tags added: trusty
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Title:
[HP ProBook 450 G1 Notebook PC] Wireless switch not working
Status in “linux” package in Ubuntu:
In
Mauro, 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 spec
Hi Christopher, I will surely try as soon as I have some spare time.
Anyway, may I ask you if I can install a mainline kernel build on the
USB I created with the daily snapshot of Trusty (said that I've reserved
1 GB space for persistent data when I have created the USB stick with
the usb-creator)?
Still, with kernel version 4.4.0-47-generic #68~14.04.1-Ubuntu, the
wireless switch does enable and disable the wifi card (with a soft
block), but the led remains white in any case (while it should turn
orange when the wifi card is disabled).
I don't know if it's relevant, but even if I add "acpi_
Mauro,
Try latest mainline kernel here http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.12-rc7/
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Title:
[HP ProBook 450 G1 Noteboo
Sorry, I must correct myself! With kernel 4.4.0-47-generic
#68~14.04.1-Ubuntu the wireless switch button correctly turns orange
when the wifi card is disabled, so this bug is completely fixed.
When I tested this in June I was cheated by the fact that the led turns
orange after some seconds, rather
Writing this from a WiFi network... and my LED is orange.
(4.10.0-28-generic)
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Title:
[HP ProBook 450 G1 Notebook PC] Wireless switc
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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Title:
[HP ProBook 450 G1 Notebook PC] Wireless switch not wor
The wireless switch worked perfectly in Linux Mint 16 KDE (based on
Ubuntu 13.10) with kernel version 3.11.0-24.41: toggling the wifi on/off
worked and the led on the button was correctly white when on and orange
when off.
However, in Linux Mint 17 KDE (based on Ubuntu 14.04) with kernel
version 3
** Tags added: reverse-bisect-done
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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Title:
[HP ProBook 450 G1 Not
Today I tried
http://cdimage.ubuntu.com/daily-live/current/vivid-desktop-amd64.iso.
A regression with the wireless switch state is there too.
With that image, the wireless switch is always white, disregarding the wireless
card activation state (enabled or disabled).
Toggling works, however (it al
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