Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: bcmwl (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1745256
Title:
bcmwl: module cannot be inserted on Bionic: unknown symbol
Status in bcmwl package in Ubuntu:
Confirmed
Bug description:
On a Bionic Beaver system I installed via debootstrap I installed
bcmwl-kernel-source. The installation went largely well, except it
seemed to be experiencing a problem with loading the module. modprobe
-a wl returns:
modprobe: ERROR: could not insert 'wl': Unknown symbol in module, or
unknown parameter (see dmesg)
the lines in dmesg relating to wl are:
[ 10.892819] wl: loading out-of-tree module taints kernel.
[ 10.892822] wl: module license 'MIXED/Proprietary' taints kernel.
[ 10.892823] Disabling lock debugging due to kernel taint
[ 10.894423] wl: module verification failed: signature and/or required key
missing - tainting kernel
[ 10.894455] wl: Unknown symbol cfg80211_inform_bss_frame_data (err 0)
[ 10.894470] wl: Unknown symbol cfg80211_scan_done (err 0)
[ 10.894488] wl: Unknown symbol cfg80211_disconnected (err 0)
[ 10.894506] wl: Unknown symbol wiphy_new_nm (err 0)
[ 10.894510] wl: Unknown symbol wiphy_register (err 0)
[ 10.894513] wl: Unknown symbol cfg80211_put_bss (err 0)
[ 10.894514] wl: Unknown symbol cfg80211_roamed (err 0)
[ 10.894517] wl: Unknown symbol cfg80211_gtk_rekey_notify (err 0)
[ 10.894521] wl: Unknown symbol cfg80211_ibss_joined (err 0)
[ 10.894526] wl: Unknown symbol cfg80211_michael_mic_failure (err 0)
[ 10.894529] wl: Unknown symbol ieee80211_get_channel (err 0)
[ 10.894533] wl: Unknown symbol wiphy_unregister (err 0)
[ 10.894537] wl: Unknown symbol cfg80211_get_bss (err 0)
[ 10.894549] wl: Unknown symbol ieee80211_channel_to_frequency (err 0)
[ 10.894553] wl: Unknown symbol cfg80211_report_wowlan_wakeup (err 0)
[ 10.894557] wl: Unknown symbol cfg80211_inform_bss_data (err 0)
[ 10.894559] wl: Unknown symbol ieee80211_frequency_to_channel (err 0)
[ 10.894563] wl: Unknown symbol cfg80211_connect_done (err 0)
[ 10.894565] wl: Unknown symbol wiphy_free (err 0)
I have tried rebooting after I get this error, just in case the kernel
merely needed to be reloaded (doubted it would help but still worth a
try), but alas that didn't help. If relevant I am using a Btrfs file
system.
All the commands I have executed in it since the beginning of time
(which was only a few hours ago, at most, so there isn't much to it)
can be found here in its root bash_history file:
https://gist.github.com/22fdcbead4ce240230fa09f92a730a90
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