Hi there, I have tried to use swaybeam but unfortunately it doesn't work on my TV Samsung. I'm using CachyOS with KDE Plasma 6.6.5. Can I ask you please to take a look at logs? And btw I have a question, will the internet work when I use swaybeam to share the screen? Thanks in advance!
okt@okt-laptop:~$ swaybeam doctor
Running system capability checks...
Miracast Doctor - Environment Check Report
=========================================
✓ Sway Compositor: Running under sway (wlroots-compatible)
✓ PipeWire: PipeWire daemon and session manager running
✓ GStreamer: H.264 ready, H.265/4K ready, AV1 ready
✓ NetworkManager: NetworkManager daemon running
✓ WPA Supplicant: wpa_supplicant daemon running
✓ XDG Desktop Portal: xdg-desktop-portal running
✓ All checks passed! Your system is ready for Miracast.
okt@okt-laptop:~$
okt@okt-laptop:~$ swaybeam discover --timeout 10
Discovering Miracast sinks for 10s...
+----------------------------+-------------------+
| Name | Address |
+----------------------------+-------------------+
| [TV] Samsung 7 Series (55) | 82:47:86:69:2C:87 |
+----------------------------+-------------------+
Found 1 device(s)
okt@okt-laptop:~$ swaybeam connect --sink "82:47:86:69:2C:87"
Error: NetworkManager error: No IP address assigned
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: P2P-GO-NEG-SUCCESS role=GO freq=2412 ht40=0 peer_dev=82:47:86:69:2c:87 peer_iface=82:47:86:69:2c:87 wps_method=PBC
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: interface state UNINITIALIZED->ENABLED
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: AP-ENABLED
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: CTRL-EVENT-CONNECTED - Connection to f0:d4:15:6e:b5:af completed [id=0 id_str=]
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: WPS-PBC-ACTIVE
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: CTRL-EVENT-EAP-STARTED 82:47:86:69:2c:87
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: CTRL-EVENT-EAP-PROPOSED-METHOD vendor=0 method=1
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: CTRL-EVENT-EAP-PROPOSED-METHOD vendor=14122 method=254
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: WPS-REG-SUCCESS 82:47:86:69:2c:87 01d967f1-3f0e-53dc-9ef4-bf324ee64cf0
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: P2P-GROUP-FORMATION-SUCCESS
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: P2P-GROUP-STARTED p2p-wlan0-0 GO ssid="DIRECT-jN" freq=2412 go_dev_addr=f0:d4:15:6e:b5:ae
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: dbus: Register group object '/fi/w1/wpa_supplicant1/Interfaces/1/Groups/jN'
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: WPS-PBC-DISABLE
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: WPS-SUCCESS
May 24 13:42:24 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: CTRL-EVENT-EAP-FAILURE 82:47:86:69:2c:87
May 24 13:42:24 okt-laptop NetworkManager[1069]: <info> [1779622944.9429] device (p2p-dev-wlan0): P2P Group supplicant interface state: internal-starting -> completed
May 24 13:42:24 okt-laptop NetworkManager[1069]: <info> [1779622944.9443] device (p2p-dev-wlan0): state change: config -> ip-config (reason 'none', managed-type: 'full')
May 24 13:42:25 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: AP-STA-CONNECTED 82:47:86:69:2c:87 p2p_dev_addr=82:47:86:69:2c:87
May 24 13:42:25 okt-laptop wpa_supplicant[1125]: AP-STA-CONNECTED 82:47:86:69:2c:87 p2p_dev_addr=82:47:86:69:2c:87
May 24 13:42:25 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: EAPOL-4WAY-HS-COMPLETED 82:47:86:69:2c:87
May 24 13:42:25 okt-laptop avahi-daemon[1038]: Joining mDNS multicast group on interface p2p-wlan0-0.IPv4 with address 10.42.0.1.
May 24 13:42:25 okt-laptop avahi-daemon[1038]: New relevant interface p2p-wlan0-0.IPv4 for mDNS.
May 24 13:42:25 okt-laptop NetworkManager[1069]: <info> [1779622945.2014] dnsmasq-manager: starting dnsmasq...
May 24 13:42:25 okt-laptop avahi-daemon[1038]: Registering new address record for 10.42.0.1 on p2p-wlan0-0.IPv4.
May 24 13:42:25 okt-laptop NetworkManager[1069]: <info> [1779622945.2063] device (p2p-dev-wlan0): state change: ip-config -> ip-check (reason 'none', managed-type: 'full')
May 24 13:42:25 okt-laptop systemd[1]: Starting Network Manager Script Dispatcher Service...
May 24 13:42:25 okt-laptop dnsmasq[3307]: started, version 2.92rel2 cachesize 150
May 24 13:42:25 okt-laptop dnsmasq[3307]: compile time options: IPv6 GNU-getopt DBus no-UBus i18n IDN2 DHCP DHCPv6 no-Lua TFTP conntrack ipset nftset auth DNSSEC loop-detect inotify dumpfile
May 24 13:42:25 okt-laptop dnsmasq[3307]: chown of PID file /run/nm-dnsmasq-p2p-wlan0-0.pid failed: please add capability CAP_CHOWN
May 24 13:42:25 okt-laptop dnsmasq-dhcp[3307]: DHCP, IP range 10.42.0.10 -- 10.42.0.254, lease time 1h
May 24 13:42:25 okt-laptop dnsmasq[3307]: reading /etc/resolv.conf
May 24 13:42:25 okt-laptop dnsmasq[3307]: using nameserver 127.0.0.53#53
May 24 13:42:25 okt-laptop dnsmasq[3307]: cleared cache
May 24 13:42:25 okt-laptop systemd[1]: Started Network Manager Script Dispatcher Service.
May 24 13:42:25 okt-laptop NetworkManager[1069]: <info> [1779622945.2379] device (p2p-dev-wlan0): state change: ip-check -> secondaries (reason 'none', managed-type: 'full')
May 24 13:42:25 okt-laptop NetworkManager[1069]: <info> [1779622945.2381] device (p2p-dev-wlan0): state change: secondaries -> activated (reason 'none', managed-type: 'full')
May 24 13:42:25 okt-laptop NetworkManager[1069]: <info> [1779622945.2384] device (p2p-dev-wlan0): Activation: successful, device activated.
May 24 13:42:26 okt-laptop avahi-daemon[1038]: Joining mDNS multicast group on interface p2p-wlan0-0.IPv6 with address fe80::8d1b:d615:e268:da43.
May 24 13:42:26 okt-laptop avahi-daemon[1038]: New relevant interface p2p-wlan0-0.IPv6 for mDNS.
May 24 13:42:26 okt-laptop avahi-daemon[1038]: Registering new address record for fe80::8d1b:d615:e268:da43 on p2p-wlan0-0.*.
May 24 13:42:26 okt-laptop NetworkManager[1069]: <info> [1779622946.0828] policy: ipv6-pd: none of 0 prefixes of wlan0 can be shared on p2p-dev-wlan0
May 24 13:42:26 okt-laptop NetworkManager[1069]: <info> [1779622946.0828] device (wlan0): ip:dhcp6: restarting (release lease)
May 24 13:42:26 okt-laptop NetworkManager[1069]: <info> [1779622946.0829] dhcp6 (wlan0): canceled DHCP transaction
May 24 13:42:26 okt-laptop NetworkManager[1069]: <info> [1779622946.0829] dhcp6 (wlan0): activation: beginning transaction (timeout in 45 seconds)
May 24 13:42:26 okt-laptop NetworkManager[1069]: <info> [1779622946.0829] dhcp6 (wlan0): state changed no lease
May 24 13:42:26 okt-laptop NetworkManager[1069]: <info> [1779622946.0830] dhcp6 (wlan0): activation: beginning transaction (timeout in 45 seconds)
May 24 13:42:26 okt-laptop systemd-resolved[704]: p2p-wlan0-0: Bus client set default route setting: no
May 24 13:42:26 okt-laptop dnsmasq[1292]: reading /etc/resolv.conf
May 24 13:42:26 okt-laptop dnsmasq[1292]: using nameserver 127.0.0.53#53
May 24 13:42:28 okt-laptop dnsmasq-dhcp[3307]: DHCPDISCOVER(p2p-wlan0-0) 82:47:86:69:2c:87
May 24 13:42:28 okt-laptop dnsmasq-dhcp[3307]: DHCPOFFER(p2p-wlan0-0) 10.42.0.17 82:47:86:69:2c:87
May 24 13:42:28 okt-laptop dnsmasq[3307]: reading /etc/resolv.conf
May 24 13:42:28 okt-laptop dnsmasq[3307]: using nameserver 127.0.0.53#53
May 24 13:42:28 okt-laptop dnsmasq[3307]: cleared cache
May 24 13:42:28 okt-laptop dnsmasq-dhcp[3307]: DHCPDISCOVER(p2p-wlan0-0) 82:47:86:69:2c:87
May 24 13:42:28 okt-laptop dnsmasq-dhcp[3307]: DHCPOFFER(p2p-wlan0-0) 10.42.0.17 82:47:86:69:2c:87
May 24 13:42:28 okt-laptop dnsmasq-dhcp[3307]: DHCPREQUEST(p2p-wlan0-0) 10.42.0.17 82:47:86:69:2c:87
May 24 13:42:28 okt-laptop dnsmasq-dhcp[3307]: DHCPACK(p2p-wlan0-0) 10.42.0.17 82:47:86:69:2c:87
May 24 13:42:35 okt-laptop systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully.
May 24 13:42:40 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: AP-STA-DISCONNECTED 82:47:86:69:2c:87 p2p_dev_addr=82:47:86:69:2c:87
May 24 13:42:40 okt-laptop wpa_supplicant[1125]: AP-STA-DISCONNECTED 82:47:86:69:2c:87 p2p_dev_addr=82:47:86:69:2c:87
May 24 13:42:45 okt-laptop NetworkManager[1069]: <warn> [1779622965.2242] device (p2p-dev-wlan0): Peer requested in connection is missing for too long, failing connection.
May 24 13:42:45 okt-laptop NetworkManager[1069]: <info> [1779622965.2243] device (p2p-dev-wlan0): state change: activated -> failed (reason 'peer-not-found', managed-type: 'full')
May 24 13:42:45 okt-laptop NetworkManager[1069]: <warn> [1779622965.2267] device (p2p-dev-wlan0): Activation: failed for connection 'swaybeam'
May 24 13:42:45 okt-laptop NetworkManager[1069]: <info> [1779622965.2293] device (p2p-dev-wlan0): state change: failed -> disconnected (reason 'none', managed-type: 'full')
May 24 13:42:45 okt-laptop avahi-daemon[1038]: Withdrawing address record for fe80::8d1b:d615:e268:da43 on p2p-wlan0-0.
May 24 13:42:45 okt-laptop avahi-daemon[1038]: Leaving mDNS multicast group on interface p2p-wlan0-0.IPv6 with address fe80::8d1b:d615:e268:da43.
May 24 13:42:45 okt-laptop avahi-daemon[1038]: Interface p2p-wlan0-0.IPv6 no longer relevant for mDNS.
May 24 13:42:45 okt-laptop dnsmasq[3307]: exiting on receipt of SIGTERM
May 24 13:42:45 okt-laptop systemd[1]: Starting Network Manager Script Dispatcher Service...
May 24 13:42:45 okt-laptop wpa_supplicant[1125]: P2P-GROUP-REMOVED p2p-wlan0-0 GO reason=REQUESTED
May 24 13:42:45 okt-laptop avahi-daemon[1038]: Withdrawing address record for 10.42.0.1 on p2p-wlan0-0.
May 24 13:42:45 okt-laptop avahi-daemon[1038]: Leaving mDNS multicast group on interface p2p-wlan0-0.IPv4 with address 10.42.0.1.
May 24 13:42:45 okt-laptop avahi-daemon[1038]: Interface p2p-wlan0-0.IPv4 no longer relevant for mDNS.
May 24 13:42:45 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: interface state ENABLED->DISABLED
May 24 13:42:45 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: AP-DISABLED
May 24 13:42:45 okt-laptop systemd[1]: Started Network Manager Script Dispatcher Service.
May 24 13:42:45 okt-laptop dnsmasq[1292]: reading /etc/resolv.conf
May 24 13:42:45 okt-laptop dnsmasq[1292]: using nameserver 127.0.0.53#53
May 24 13:42:45 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: CTRL-EVENT-DISCONNECTED bssid=f0:d4:15:6e:b5:af reason=3 locally_generated=1
May 24 13:42:45 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: CTRL-EVENT-DSCP-POLICY clear_all
May 24 13:42:45 okt-laptop wpa_supplicant[1125]: p2p-wlan0-0: CTRL-EVENT-DSCP-POLICY clear_all
May 24 13:42:45 okt-laptop wpa_supplicant[1125]: nl80211: deinit ifname=p2p-wlan0-0 disabled_11b_rates=0
May 24 13:42:45 okt-laptop NetworkManager[1069]: <info> [1779622965.3192] device (p2p-dev-wlan0): P2P Group supplicant interface state: completed -> internal-down
May 24 13:42:55 okt-laptop systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully.
May 24 13:43:25 okt-laptop systemd[1419]: Started Geany - Integrated Development Environment.
May 24 13:43:26 okt-laptop geany[3591]: gtk_widget_get_scale_factor: assertion 'GTK_IS_WIDGET (widget)' failed
May 24 13:43:26 okt-laptop systemd[1419]: Started VTE child process 4030 launched by geany process 3591.
May 24 13:43:28 okt-laptop wpa_supplicant[1125]: P2P-DEVICE-LOST p2p_dev_addr=82:47:86:69:2c:87
May 24 13:43:28 okt-laptop wpa_supplicant[1125]: dbus: Unregister peer object '/fi/w1/wpa_supplicant1/Interfaces/0/Peers/824786692c87'
May 24 13:43:51 okt-laptop nmbd[1396]: [2026/05/24 13:43:51.502898, 0] ../../source3/libsmb/nmblib.c:929(send_udp)
May 24 13:43:51 okt-laptop nmbd[1396]: Packet send failed to 10.42.0.255(138) ERRNO=Network is unreachable
OS: CachyOS x86_64
Host: 21HD0052CK (ThinkPad T14 Gen 4)
Kernel: Linux 7.0.9-1-cachyos
Uptime: 5 hours, 54 mins
Packages: 1575 (pacman)
Shell: bash 5.3.9
Display (AUOFA9B): 1920x1200 in 14", 60 Hz [Built-in]
DE: KDE Plasma 6.6.5
WM: KWin (Wayland)
WM Theme: Breeze
Theme: Breeze (Light) [Qt], Breeze [GTK2/3]
Icons: breeze [Qt], breeze [GTK2/3/4]
Font: Noto Sans (10pt) [Qt], Noto Sans (10pt) [GTK2/3/4]
Cursor: breeze (24px)
Terminal: konsole 26.4.1
CPU: 13th Gen Intel(R) Core(TM) i7-1355U (12) @ 5.00 GHz
GPU: Intel Iris Xe Graphics @ 1.30 GHz [Integrated]
Memory: 3.92 GiB / 31.01 GiB (13%)
Swap: 336.00 KiB / 31.01 GiB (0%)
Disk (/): 23.45 GiB / 97.86 GiB (24%) - ext4
Disk (/home): 295.65 GiB / 362.07 GiB (82%) - ext4
Local IP (wlan0): 192.168.100.193/24
Battery (5B10W51863): 100% [AC Connected]
Locale: en_US.UTF-8
Hi there, I have tried to use swaybeam but unfortunately it doesn't work on my TV Samsung. I'm using CachyOS with KDE Plasma 6.6.5. Can I ask you please to take a look at logs? And btw I have a question, will the internet work when I use swaybeam to share the screen? Thanks in advance!