Re: NetworkManager "nmcli device" saying eth0 and wlan0 are "unavailable"
"Pol Vangheluwe" ([email protected] via blfs-support Mailing List) <[email protected]> Sun, 26 Apr 2026 18:47:32 +0200
| Newsgroups | gmane.linux.lfs.beyond.support |
|---|---|
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format... ------------=_1777222078-1253-26436 Content-Type: multipart/alternative; boundary="Apple-Mail=_9C546C3B-83A7-4F04-8572-AD77095DD928" --Apple-Mail=_9C546C3B-83A7-4F04-8572-AD77095DD928 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > Op 26 apr 2026, om 14:11 heeft Subhrajit Sain ([email protected] via blfs= -support Mailing List) <[email protected]> het volgen= de geschreven: >=20 > Hello BLFS Support Team, > I have been working on this BLFS system called MrrpOS (Book 12.3, SysV). = This is my second problem sent via email. Recently I have switched from man= ual wpa_supplicant and dhcpcd init scripts to NetworkManager (1.50.0), but = I am facing some trouble in doing so. The loopback interface lo works (set = up externally by an init script) but eth0 and wlan0 are shown as unavailabl= e. >=20 > My device does not have Ethernet plugged in, that maybe the cause for eth= 0 being unavailable. But, wlan0 is stated as unavailable as well. >=20 > root@mrrpos:[ / ]# ls -n /etc/rc.d/rcS.d > total 0 > lrwxrwxrwx 1 0 0 21 Jun 10 2025 S00mountvirtfs -> ../init.d/mountvirtfs > lrwxrwxrwx 1 0 0 14 Jun 10 2025 S05udev -> ../init.d/udev > lrwxrwxrwx 1 0 0 17 Jun 10 2025 S10modules -> ../init.d/modules > lrwxrwxrwx 1 0 0 14 Jun 10 2025 S20swap -> ../init.d/swap > lrwxrwxrwx 1 0 0 17 Jun 10 2025 S30checkfs -> ../init.d/checkfs > lrwxrwxrwx 1 0 0 17 Jun 10 2025 S40mountfs -> ../init.d/mountfs > lrwxrwxrwx 1 0 0 17 Jun 10 2025 S45cleanfs -> ../init.d/cleanfs > lrwxrwxrwx 1 0 0 20 Jun 10 2025 S50udev_retry -> ../init.d/udev_retry > lrwxrwxrwx 1 0 0 16 Jun 10 2025 S60sysctl -> ../init.d/sysctl > lrwxrwxrwx 1 0 0 17 Jun 10 2025 S70console -> ../init.d/console > lrwxrwxrwx 1 0 0 18 Jun 10 2025 S75localnet -> ../init.d/localnet > lrwxrwxrwx 1 0 0 21 Apr 26 2026 S80dbus -> /etc/rc.d/init.d/dbus > lrwxrwxrwx 1 0 0 31 Apr 26 2026 S85networkmanager -> /etc/rc.d/init.d/ne= tworkmanager > root@mrrpos:[ / ]# ls /etc/rc.d/init.d > checkfs dbus gpm krb5 mountfs network-ifaces= -up rc setclock sysctl udev > cleanfs dhcpcd.disabled halt localnet mountvirtfs networkmanager= reboot sshd sysklogd udev_retry > console fontface iptables modules network.bak random = sendsignals swap template wpa_supplicant > root@mrrpos:[ / ]# nmcli device > DEVICE TYPE STATE CONNECTION > lo loopback connected (externally) lo=20=20=20=20=20=20=20= =20 > eth0 ethernet unavailable -- > wlan0 wifi unavailable --=20=20=20=20=20=20=20= =20 > ... others are "unmanaged" ... >=20 > Please let me know any file contents, configurations, directory listings = and other information required. >=20 > (=E2=80=A6) > Some other info: > The same devices work as usual with wpa_supplicant and dhcpcd via init sc= ripts. > Probably not a driver issue as both wext and nl80211 are installed. > I am not using iw, I am using iwconfig. > Ping obviously gives "network unreachable." > I maybe missing out on a BLFS step, but it is not clear as to what it is.= I am willing to share any information that may help in identifying and fix= ing this issue. >=20 > Thanking you in advance for your help, > Subhrajit Sain, > aka ANW <https://anw.is-a.dev/>. >=20 >=20 >=20 > --=20 > http://lists.linuxfromscratch.org/sympa/info/blfs-support > Unsubscribe: See the above information page Did you set up a connection for device wlan0: what is the output of "nmcli = connection"? pvg --Apple-Mail=_9C546C3B-83A7-4F04-8572-AD77095DD928 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html aria-label=3D"message body"><head><meta http-equiv=3D"content-type" c= ontent=3D"text/html; charset=3Dutf-8"></head><body style=3D"overflow-wrap: = break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div>= <blockquote type=3D"cite"><div>Op 26 apr 2026, om 14:11 heeft Subhrajit Sai= n ([email protected] via blfs-support Mailing List) <blfs-support@lists.= linuxfromscratch.org> het volgende geschreven:</div><br class=3D"Apple-i= nterchange-newline"><div><meta content=3D"text/html;charset=3DUTF-8" http-e= quiv=3D"Content-Type"><div><div style=3D"font-family: Verdana, Arial, Helve= tica, sans-serif; font-size: 10pt;"><div><span class=3D"font" style=3D"font= -family: 'courier new',courier,monospace;">Hello BLFS Support Team,</span><= span class=3D"font" style=3D"font-family: 'courier new',courier,monospace;"= ><br></span></div><div><span class=3D"font" style=3D"font-family: 'courier = new',courier,monospace;">I have been working on this BLFS system called Mrr= pOS (Book 12.3, SysV). This is my second problem sent via email. Recently I= have switched from manual wpa_supplicant and dhcpcd init scripts to Networ= kManager (1.50.0), but I am facing some trouble in doing so. The loopback i= nterface lo works (set up externally by an init script) but eth0 and wlan0 = are shown as unavailable.</span><span class=3D"font" style=3D"font-family: = 'courier new',courier,monospace;"><br></span></div><div><span class=3D"font= " style=3D"font-family: 'courier new',courier,monospace;"><br></span></div>= <div><span class=3D"font" style=3D"font-family: 'courier new',courier,monos= pace;">My device does not have Ethernet plugged in, that maybe the cause fo= r eth0 being unavailable. But, wlan0 is stated as unavailable as well.</spa= n><span class=3D"font" style=3D"font-family: 'courier new',courier,monospac= e;"><br></span></div><div><span class=3D"font" style=3D"font-family: 'couri= er new',courier,monospace;"><br></span></div><div><span class=3D"font" styl= e=3D"font-family: 'courier new',courier,monospace;">root@mrrpos:[ / ]# ls -= n /etc/rc.d/rcS.d </span><span class=3D"font" style=3D"font-family: 'courie= r new',courier,monospace;"><br></span></div><div><span class=3D"font" style= =3D"font-family: 'courier new',courier,monospace;">total 0</span><span clas= s=3D"font" style=3D"font-family: 'courier new',courier,monospace;"><br></sp= an></div><div><span class=3D"font" style=3D"font-family: 'courier new',cour= ier,monospace;">lrwxrwxrwx 1 0 0 21 Jun 10 2025 S00mountvirtfs -> = ../init.d/mountvirtfs</span><span class=3D"font" style=3D"font-family: 'cou= rier new',courier,monospace;"><br></span></div><div><span class=3D"font" st= yle=3D"font-family: 'courier new',courier,monospace;">lrwxrwxrwx 1 0 0 14 J= un 10 2025 S05udev -> ../init.d/udev</span><span class=3D"font" st= yle=3D"font-family: 'courier new',courier,monospace;"><br></span></div><div= ><span class=3D"font" style=3D"font-family: 'courier new',courier,monospace= ;">lrwxrwxrwx 1 0 0 17 Jun 10 2025 S10modules -> ../init.d/modules= </span><span class=3D"font" style=3D"font-family: 'courier new',courier,mon= ospace;"><br></span></div><div><span class=3D"font" style=3D"font-family: '= courier new',courier,monospace;">lrwxrwxrwx 1 0 0 14 Jun 10 2025 S20s= wap -> ../init.d/swap</span><span class=3D"font" style=3D"font-family: '= courier new',courier,monospace;"><br></span></div><div><span class=3D"font"= style=3D"font-family: 'courier new',courier,monospace;">lrwxrwxrwx 1 0 0 1= 7 Jun 10 2025 S30checkfs -> ../init.d/checkfs</span><span class=3D= "font" style=3D"font-family: 'courier new',courier,monospace;"><br></span><= /div><div><span class=3D"font" style=3D"font-family: 'courier new',courier,= monospace;">lrwxrwxrwx 1 0 0 17 Jun 10 2025 S40mountfs -> ../init.= d/mountfs</span><span class=3D"font" style=3D"font-family: 'courier new',co= urier,monospace;"><br></span></div><div><span class=3D"font" style=3D"font-= family: 'courier new',courier,monospace;">lrwxrwxrwx 1 0 0 17 Jun 10 = 2025 S45cleanfs -> ../init.d/cleanfs</span><span class=3D"font" style=3D= "font-family: 'courier new',courier,monospace;"><br></span></div><div><span= class=3D"font" style=3D"font-family: 'courier new',courier,monospace;">lrw= xrwxrwx 1 0 0 20 Jun 10 2025 S50udev_retry -> ../init.d/udev_retry= </span><span class=3D"font" style=3D"font-family: 'courier new',courier,mon= ospace;"><br></span></div><div><span class=3D"font" style=3D"font-family: '= courier new',courier,monospace;">lrwxrwxrwx 1 0 0 16 Jun 10 2025 S60s= ysctl -> ../init.d/sysctl</span><span class=3D"font" style=3D"font-famil= y: 'courier new',courier,monospace;"><br></span></div><div><span class=3D"f= ont" style=3D"font-family: 'courier new',courier,monospace;">lrwxrwxrwx 1 0= 0 17 Jun 10 2025 S70console -> ../init.d/console</span><span clas= s=3D"font" style=3D"font-family: 'courier new',courier,monospace;"><br></sp= an></div><div><span class=3D"font" style=3D"font-family: 'courier new',cour= ier,monospace;">lrwxrwxrwx 1 0 0 18 Jun 10 2025 S75localnet -> ../= init.d/localnet</span><span class=3D"font" style=3D"font-family: 'courier n= ew',courier,monospace;"><br></span></div><div><span class=3D"font" style=3D= "font-family: 'courier new',courier,monospace;">lrwxrwxrwx 1 0 0 21 Apr 26&= nbsp; 2026 S80dbus -> /etc/rc.d/init.d/dbus</span><span class=3D"font" s= tyle=3D"font-family: 'courier new',courier,monospace;"><br></span></div><di= v><span class=3D"font" style=3D"font-family: 'courier new',courier,monospac= e;">lrwxrwxrwx 1 0 0 31 Apr 26 2026 S85networkmanager -> /etc/rc.d= /init.d/networkmanager</span><span class=3D"font" style=3D"font-family: 'co= urier new',courier,monospace;"><br></span></div><div><span class=3D"font" s= tyle=3D"font-family: 'courier new',courier,monospace;">root@mrrpos:[ / ]# l= s /etc/rc.d/init.d</span><span class=3D"font" style=3D"font-family: 'courie= r new',courier,monospace;"><br></span></div><div><span class=3D"font" style= =3D"font-family: 'courier new',courier,monospace;">checkfs dbus = gpm = ; krb5 mountfs&= nbsp; network-ifaces-up rc &= nbsp; setclock sysctl = udev</span><span class=3D"font" style=3D"font-family: 'courier new',= courier,monospace;"><br></span></div><div><span class=3D"font" style=3D"fon= t-family: 'courier new',courier,monospace;">cleanfs dhcpcd.disabled&n= bsp; halt localnet mountvirtfs ne= tworkmanager reboot &n= bsp; sshd sysklogd udev_retry</span><sp= an class=3D"font" style=3D"font-family: 'courier new',courier,monospace;"><= br></span></div><div><span class=3D"font" style=3D"font-family: 'courier ne= w',courier,monospace;">console fontface = iptables modules network.bak ran= dom = sendsignals swap template wpa_su= pplicant</span><span class=3D"font" style=3D"font-family: 'courier new',cou= rier,monospace;"><br></span></div><div><span class=3D"font" style=3D"font-f= amily: 'courier new',courier,monospace;">root@mrrpos:[ / ]# nmcli device</s= pan></div><div><span class=3D"font" style=3D"font-family: 'courier new',cou= rier,monospace;">DEVICE TYP= E STATE &n= bsp; CONN= ECTION</span></div><div><span class=3D"font" style=3D"font-family: 'courier= new',courier,monospace;">lo  = ; loopback connected (externally) lo&nb= sp; </span><span class=3D"font" st= yle=3D"font-family: 'courier new',courier,monospace;"><br></span></div><div= ><span class=3D"font" style=3D"font-family: 'courier new',courier,monospace= ;">eth0 ethernet unavailable&= nbsp; --</span></div><div><span cl= ass=3D"font" style=3D"font-family: 'courier new',courier,monospace;">wlan0&= nbsp; wifi &nb= sp; unavailable -- &nb= sp; </span></div><div><span class=3D"font" style=3D"font= -family: 'courier new',courier,monospace;">... others are "unmanaged" ...</= span></div><div><span class=3D"font" style=3D"font-family: 'courier new',co= urier,monospace;"><br></span></div><div><span class=3D"font" style=3D"font-= family: 'courier new',courier,monospace;">Please let me know any file conte= nts, configurations, directory listings and other information required.</sp= an><span class=3D"font" style=3D"font-family: 'courier new',courier,monospa= ce;"><br></span></div><div><span class=3D"font" style=3D"font-family: 'cour= ier new',courier,monospace;"><br></span></div></div></div></div></blockquot= e><br><blockquote type=3D"cite"><div><div><div style=3D"font-family: Verdan= a, Arial, Helvetica, sans-serif; font-size: 10pt;"><div><span style=3D"font= -family: "courier new", courier, monospace; font-size: 10pt;">(= =E2=80=A6)</span></div></div></div></div></blockquote><br><blockquote type= =3D"cite"><div><div><div style=3D"font-family: Verdana, Arial, Helvetica, s= ans-serif; font-size: 10pt;"><div><span style=3D"font-family: "courier= new", courier, monospace; font-size: 10pt;">Some other info:</span></= div><ul dir=3D"ltr"><li><span class=3D"font" style=3D"font-family: 'courier= new',courier,monospace;">The same devices work as usual with wpa_supplican= t and dhcpcd via init scripts.</span><span class=3D"font" style=3D"font-fam= ily: 'courier new',courier,monospace;"><br></span></li><li><span class=3D"f= ont" style=3D"font-family: 'courier new',courier,monospace;">Probably not a= driver issue as both wext and nl80211 are installed.</span><span class=3D"= font" style=3D"font-family: 'courier new',courier,monospace;"><br></span></= li><li><span class=3D"font" style=3D"font-family: 'courier new',courier,mon= ospace;">I am not using iw, I am using iwconfig.</span><span class=3D"font"= style=3D"font-family: 'courier new',courier,monospace;"><br></span></li><l= i><span class=3D"font" style=3D"font-family: 'courier new',courier,monospac= e;">Ping obviously gives "network unreachable."</span><span class=3D"font" = style=3D"font-family: 'courier new',courier,monospace;"><br></span></li></u= l><div><span class=3D"font" style=3D"font-family: 'courier new',courier,mon= ospace;">I maybe missing out on a BLFS step, but it is not clear as to what= it is. I am willing to share any information that may help in identifying = and fixing this issue.</span><span class=3D"font" style=3D"font-family: 'co= urier new',courier,monospace;"><br></span></div><div><span class=3D"font" s= tyle=3D"font-family: 'courier new',courier,monospace;"><br></span></div><di= v class=3D"zmail_signature_below"><div id=3D"" data-zbluepencil-ignore=3D"t= rue" data-sigid=3D"7355764000000004001"><div><span class=3D"font" style=3D"= font-family: 'courier new',courier,monospace;">Thanking you in advance for = your help,</span></div><div><span class=3D"font" style=3D"font-family: 'cou= rier new',courier,monospace;">Subhrajit Sain,</span><span class=3D"font" st= yle=3D"font-family: 'courier new',courier,monospace;"><br></span></div><div= ><span class=3D"font" style=3D"font-family: 'courier new',courier,monospace= ;">aka </span><a target=3D"_blank" href=3D"https://anw.is-a.dev/"><span cla= ss=3D"font" style=3D"font-family: 'courier new',courier,monospace;">ANW</sp= an></a><span class=3D"font" style=3D"font-family: 'courier new',courier,mon= ospace;">.</span><span class=3D"font" style=3D"font-family: 'courier new',c= ourier,monospace;"><br></span></div><div><span class=3D"font" style=3D"font= -family: 'courier new',courier,monospace;"><br></span></div></div></div><di= v><span class=3D"font" style=3D"font-family: 'courier new',courier,monospac= e;"><br></span></div></div><br></div>-- <br>http://lists.linuxfromscratch.o= rg/sympa/info/blfs-support<br>Unsubscribe: See the above information page<b= r></div></blockquote><br></div><div>Did you set up a connection for device = wlan0: what is the output of "nmcli connection"?<br id=3D"lineBreakAtBeginn= ingOfMessage"><div><br>pvg</div><div><br><blockquote type=3D"cite"></blockq= uote></div></div><br></body></html>= --Apple-Mail=_9C546C3B-83A7-4F04-8572-AD77095DD928-- ------------=_1777222078-1253-26436 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 -- http://lists.linuxfromscratch.org/sympa/info/blfs-support Unsubscribe: See the above information page ------------=_1777222078-1253-26436--