Louis (darkenlx), it will help immensely if you use the computer the problem is
reproducible with, and provide necessary debugging logs by filing a new report
with Ubuntu via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
** Description changed:
The wifi connection on
i can confirm this is an exact same problem with HP Pavilion TouchSmart
14 Sleekbook model 14-b109wm as well but has wifi card Atheros AR5B125
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** Attachment added: fresh boot with upstart and three successful
suspend/resume cycles
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1435728/+attachment/4370007/+files/3.19-12.upstart.success.log
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The trigger was not the kernel version. The trigger is upstart or
systemd. The laptop reliably reconnects to wifi after resume if I have
booted using the 'upstart' option in the grub advanced boot menu. If I
have booted using the default grub selection, the laptop reliably fails
to reconnect to
** Attachment added: Fresh boot with systemd and three failed suspend/resume
cycles
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1435728/+attachment/4370008/+files/3.19-12.systemd.fail.log
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** Changed in: bcmwl (Ubuntu)
Status: Confirmed = Triaged
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Title:
[HP Pavilion Notebook - 13-b208tu] Broadcom BCM43142 wireless fails to
As of the most recent update (3.19.0-12), is has returned to
consistently failing.
Turning off power management via 'sudo iwconfig wlan0 power off' has no
effect.
** Attachment added: Current kern.log showing resume fail after a fresh boot
Stuart Bishop, anything change if you turn off power management via:
sudo iwconfig wlan0 power off
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Title:
[HP Pavilion Notebook - 13-b208tu]
I am having trouble reproducing this at all with the latest round of
updates. I still get the traceback (the bluetooth one), but wifi is
reliably reconnecting.
** Changed in: bcmwl (Ubuntu)
Status: Triaged = Incomplete
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Stuart Bishop, does hibernate provide a WORKAROUND?
** Tags added: regression-release
** Changed in: bcmwl (Ubuntu)
Status: Confirmed = Incomplete
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It seems that this is a regression from Utopic.
I just booted a Utopic USB stick, switched on the proprietary driver,
and connected to my wifi network. I then performed 10 suspend/resumes in
sequence (using suspend from the system menu), and they all worked
flawlessly. The kern.log file was
Hibernate fails to resume (running 'sudo pm-hibernate', as it seems
disabled by default), and requires a power cycle to recover.
** Changed in: bcmwl (Ubuntu)
Status: Incomplete = Confirmed
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wlan0 IEEE 802.11abg ESSID:MYSSID
Mode:Managed Frequency:2.447 GHz Access Point: 01:23:45:67:89:ab
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
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Stuart Bishop, the bug you are reporting is an upstream one. Could you
please report this to them following
https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx#Broadcom_STA_Wireless_driver
?
** Changed in: bcmwl (Ubuntu)
Status: Confirmed = Triaged
** Also affects: broadcom-sta
Stuart Bishop, one other thing I was curious about, could you please provide
the results of the following terminal command:
iwconfig wlan0
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I am not able to get the card recognized at all using a Trusty CD,
either with the default setup or after selecting the broadcom drivers
from System Settings/Software and Uodates/Additional Drivers.
** Changed in: bcmwl (Ubuntu)
Status: Incomplete = Confirmed
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Stuart Bishop, how about Utopic via http://releases.ubuntu.com/utopic/ ?
** Changed in: bcmwl (Ubuntu)
Status: Confirmed = Incomplete
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Stuart Bishop, just to clarify, after resuming from suspend, does the following
terminal command provide a WORKAROUND:
rmmod bcmwl modprobe bcmwl
** Description changed:
The wifi connection on the HP 13-b208tu laptop (Broadcom BCM4365) fails
- during suspend or resume.
+ after computer
Mar 25 20:33:39 aargh kernel: [ 121.980963] PM: resume of devices complete
after 754.239 msecs
Mar 25 20:33:39 aargh kernel: [ 121.981208] [ cut here
]
Mar 25 20:33:39 aargh kernel: [ 121.981216] WARNING: CPU: 2 PID: 457 at
Looking a little closer, the 'wl' module looked promising. 'rmmod wl
modprobe wl' does get everything back on its feet after the resume
failure.
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Stuart Bishop, for regression testing purposes, could you please test
broadcom-sta (not bcmwl) in Trusty via
http://releases.ubuntu.com/trusty/ (live environment is fine) and advise
to the results?
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Cut from Bug Description.
** Attachment added: log
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1435728/+attachment/4356127/+files/log
** Description changed:
- The wifi connection on the HP 13-b208tu laptop (Broadcom BCM4365) fails
- after computer resumes from suspend.
+ The wifi
I did a suspend/resume which triggered the failure. The terminal command
failed:
root@aargh:~# rmmod bcmwl modprobe bcmwl
rmmod: ERROR: Module bcmwl is not currently loaded
Bouncing network manager brought me back online, but bcmwl did not get reloaded.
root@aargh:~# service NetworkManager
cat /proc/acpi/wakeup wakeup
** Attachment added: wakeup per DebuggingKernelSuspend
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1435728/+attachment/4355179/+files/wakeup
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dmesg dmesg.txt, after performing resume-trace debugging procedure
for finding buggy drivers.
The wiki page and kern.log state that the system clock will need to be
reset after the procedure. This did not happen. I do not know if this
means the trace did not work as expected, or if someone or
The chunk of kern.log, truncated in the above comment.
It seems at wireless is often recovering after the failure, and in the
cases it doesn't 'sudo service NetworkManager restart' sorts it out. The
above pm_trace procedure was performed after a fresh boot.
** Attachment added: chunk of kern.log
The above process was performed after a fresh boot.
It also seems that wifi often recovers after the failure, and on the
occasions it doesn't recover itself 'sudo service NetworkManager
restart' sorts it out.
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