Ok, after some new attempts I can file a report of what's going on.
I tried again with a live session on a daily ubuntu image. By issuing manually
inside a shell the command
sudo apt-get install bcmwl-kernel-source
the wireless network is immediately recognised.
So I decided to try this same command on my installed 14.04.1 system with the
3.16.0-25 kernel, but the package is already installed, and won't istall again.
Then I tried this:
sudo apt-get --reinstall install bcmwl-kernel-source
after this the wireless network does NOT work. Instead, the command also broke
my working network with 3.13.0-40 kernel!!!
Besides, the command
sudo modprobe wl
gives: "no such module"
In an attempt to fix my wireless network within the 3.13 kernel I
reinstalled the bcmwl package again. The command was issued under the
old kernel this time, and this is the result:
Loading new bcmwl-6.30.223.141+bdcom DKMS files...
Building for 3.13.0-40-generic and 3.16.0-25-generic
Building for architecture x86_64
Building initial module for 3.13.0-40-generic
Done.
wl:
Running module version sanity check.
- Original module
- No original module exists within this kernel
- Installation
- Installing to /lib/modules/3.13.0-40-generic/updates/dkms/
depmod......
DKMS: install completed.
Building initial module for 3.16.0-25-generic
Error! Bad return status for module build on kernel:
3.16.0-25-generic (x86_64)
Consult /var/lib/dkms/bcmwl/6.30.223.141+bdcom/build/make.log for more
information.
update-initramfs: deferring update (trigger activated)
Elaborazione dei trigger per initramfs-tools (0.103ubuntu4.2)...
I would stress the attention on this part:
"........Error! Bad return status for module build on kernel:...."
The wireless network works again under 3.13, but apparently, for some reason,
the module is NOT built for the new kernel. So it seems that some compilation
error is present.
I attached the make.log file.
** Attachment added: "make.log"
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1397383/+attachment/4273614/+files/make.log
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https://bugs.launchpad.net/bugs/1397383
Title:
14e4:4359 [Dell Latitude 5530] Broadcom BCM43228 WiFi interface not
recognized with linux-generic-lts-utopic 3.16.0-25
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