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Message #01792
[Bug 1189611] Re: bcmwl-kernel-source 6.30.223.30+bdcom-0ubuntu1 fails to see 5GHz networks and is unstable on 2.5GHz
Hello,
I'm able to compile old driver
bcmwl-6.20.155.1+bdcom
with
patches for 3.10 kernel (bcmwl-6.30.223.30+bdcom)
Required changes are:
0008-add-support-for-linux-3.9.0.patch : replace wl_cfg80211_hybrid.c with wl_cfg80211.c
0009-add-support-for-linux-3.10.0.patch
Add in dkms.conf:
PATCH[7]="0008-add-support-for-linux-3.9.0.patch"
PATCH[8]="0009-add-support-for-linux-3.10.0.patch"
And rebuild module with dkms:
https://help.ubuntu.com/community/DKMS
Could you test if the problem with BCM4331 connection gone with old
bcmwl driver and 3.10 kernel?
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https://bugs.launchpad.net/bugs/1189611
Title:
bcmwl-kernel-source 6.30.223.30+bdcom-0ubuntu1 fails to see 5GHz
networks and is unstable on 2.5GHz
Status in “bcmwl” package in Ubuntu:
Confirmed
Bug description:
Hardware: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02)
This chip is working perfectly fine on 2.5GHz and 5GHz using version
6.20.155.1+bdcom-0ubuntu6 of the driver.
After upgrading to saucy and installing version 6.30.223.30+bdcom-
0ubuntu1 it fails to find any 5GHz networks and connections on 2.5GHz
are unstable.
Downgrading the saucy machine to kernel 3.8.x and bcmwl-kernel-source
6.20.155.1+bdcom-0ubuntu6 (both from raring) makes the chip work
again.
Downgrading just the kernel to 3.8 and keeping bcmwl-kernel-source at
version 6.30.223.30+bdcom-0ubuntu1 does NOT fix the issue.
Looking at the changelog its most likely caused by the update to the
new upstream release.
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