[systemd-devel] Fail to load network modules properly

[Łukasz Słaboń]

Apparently the same bug is in the open-source driver. As I said in my
previous e-mail I'm experiencing same problem with all possible drivers for
my wifi card.

Regards,

Łukasz Słaboń


On Mon, Jan 28, 2019 at 8:32 AM Greg KH <gregkh at linuxfoundation.org> wrote:

> On Sun, Jan 27, 2019 at 09:14:37PM +0100, Łukasz Słaboń wrote:
> > Hello everyone,
> >
> > Since starting using linux last year (xubuntu 18.04) I am experiencing
> > occasional problems with wifi interface (broadcom BCM43224 rev 01
> > 14e4:4353). From time to time (every 3 - 4 starts) my wifi card is not
> > recognized and I do not see wifi interface after boot. After comparing
> > dmesg listings from successful and failed boots I have discovered one
> > difference. My main partition is mounted twice and in successful boot it
> is
> > done before  before cfg80211 module. In failed boot second mount is done
> > after cfg80211 module. Can this be a cause of network interface problems?
> > If yes is there any possibility to solve this within systemd? Just to
> > clarify such situations happen with proprietary and open-source drivers
> as
> > well.
> >
> > Here is the fragment of dmesg listing after successful boot:
> > [    4.452703] [drm] Initialized radeon 2.50.0 20080528 for 0000:02:00.0
> on
> > minor 0
> > [    4.601495] EXT4-fs (sda5): mounted filesystem with ordered data mode.
> > Opts: (null)
> > [    4.669690] clocksource: Switched to clocksource tsc
> > [    5.068753] input: SynPS/2 Synaptics TouchPad as
> > /devices/platform/i8042/serio1/input/input5
> > [    5.774502] random: crng init done
> > [    5.774503] random: 7 urandom warning(s) missed due to ratelimiting
> > [    6.151902] ip_tables: (C) 2000-2006 Netfilter Core Team
> > [    9.336683] lp: driver loaded but no devices found
> > [    9.366325] ppdev: user-space parallel port driver
> > [    9.405084] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro
> > [   12.325130] Adding 2097148k swap on /swapfile.  Priority:-2 extents:6
> > across:2260988k FS
> > [   20.381638] cfg80211: Loading compiled-in X.509 certificates for
> > regulatory database
> > [   20.385106] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
> > [   20.863926] wl: loading out-of-tree module taints kernel.
> > [   20.863932] wl: module license 'MIXED/Proprietary' taints kernel.
> > [   20.863932] Disabling lock debugging due to kernel taint
> > [   20.866504] wl: module verification failed: signature and/or required
> > key missing - tainting kernel
> > [   20.941673] wlan0: Broadcom BCM4353 802.11 Hybrid Wireless Controller
> > 6.30.223.271 (r587334)
> >
> > Here is the fragment of dmesg listing after failed boot:
> > [    5.194759] EXT4-fs (sda5): mounted filesystem with ordered data mode.
> > Opts: (null)
> > [    6.249451] random: crng init done
> > [    6.249454] random: 7 urandom warning(s) missed due to ratelimiting
> > [    6.728424] ip_tables: (C) 2000-2006 Netfilter Core Team
> > [    9.888353] lp: driver loaded but no devices found
> > [    9.913126] ppdev: user-space parallel port driver
> > [   10.152833] cfg80211: Loading compiled-in X.509 certificates for
> > regulatory database
> > [   10.156199] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
> > [   10.174030] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro
> > [   21.275568] Adding 2097148k swap on /swapfile.  Priority:-2 extents:6
> > across:2260988k FS
> > [   21.472260] wl: loading out-of-tree module taints kernel.
> > [   21.472264] wl: module license 'MIXED/Proprietary' taints kernel.
> > [   21.472265] Disabling lock debugging due to kernel taint
> > [   21.474938] wl: module verification failed: signature and/or required
> > key missing - tainting kernel
> > [   21.477657] wl 0000:08:00.0: enabling device (0000 -> 0002)
> > [   21.477881] wl driver 6.30.223.271 (r587334) failed with code 1
> > [   21.477882] ERROR @wl_cfg80211_detach :
> > [   21.477883] NULL ndev->ieee80211ptr, unable to deref wl
>
> Looks like a bug in the closed-source wl kernel driver.  Please contact
> the authors of that code and ask them for help as there's really nothing
> we can do about this.
>
> sorry,
>
> greg k-h
>
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