[Bug 1213757] New: All processes that try to communicate with NETLINK socket hang up if running hostapd on Raspberry Pi

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bugzilla_noreply＠suse.com

28 Jul 2023 28 Jul '23

12:55

https://bugzilla.suse.com/show_bug.cgi?id=1213757 Bug ID: 1213757 Summary: All processes that try to communicate with NETLINK socket hang up if running hostapd on Raspberry Pi Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.5 Hardware: aarch64 OS: Other Status: NEW Severity: Major Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: dheidler@suse.com QA Contact: qa-bugs@suse.de Target Milestone: --- Found By: --- Blocker: --- Created attachment 868483 --> https://bugzilla.suse.com/attachment.cgi?id=868483&action=edit strace of hanging "ip a" The issue appears a few (~5) minutes after hostapd is started. Jul 28 12:47:40 openqa-piworker systemd[1]: Started Hostapd IEEE 802.11 AP, IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator. Jul 28 12:47:40 openqa-piworker hostapd[15307]: Configuration file: /etc/hostapd.conf Jul 28 12:47:40 openqa-piworker kernel: br0: port 1(wlan0) entered blocking state Jul 28 12:47:40 openqa-piworker kernel: br0: port 1(wlan0) entered disabled state Jul 28 12:47:40 openqa-piworker kernel: device wlan0 entered promiscuous mode Jul 28 12:47:40 openqa-piworker hostapd[15307]: wlan0: interface state UNINITIALIZED->COUNTRY_UPDATE Jul 28 12:47:41 openqa-piworker dbus-daemon[629]: [system] Activating via systemd: service name='fi.w1.wpa_supplicant1' unit='wpa_supplicant.service' requested by ':1.31' (uid=0 pid=730 comm="/usr/sbin/wickedd --systemd --foreground ") Jul 28 12:47:41 openqa-piworker systemd[1]: Starting WPA Supplicant daemon... Jul 28 12:47:41 openqa-piworker dbus-daemon[629]: [system] Successfully activated service 'fi.w1.wpa_supplicant1' Jul 28 12:47:41 openqa-piworker systemd[1]: Started WPA Supplicant daemon. Jul 28 12:47:45 openqa-piworker hostapd[15307]: wlan0: Could not connect to kernel driver Jul 28 12:47:45 openqa-piworker hostapd[15307]: Using interface wlan0 with hwaddr e4:5f:01:bb:63:41 and ssid "openQA-worker" Jul 28 12:47:45 openqa-piworker kernel: IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Jul 28 12:47:45 openqa-piworker kernel: br0: port 1(wlan0) entered blocking state Jul 28 12:47:45 openqa-piworker kernel: br0: port 1(wlan0) entered forwarding state Jul 28 12:47:45 openqa-piworker hostapd[15307]: wlan0: interface state COUNTRY_UPDATE->ENABLED Jul 28 12:47:45 openqa-piworker hostapd[15307]: wlan0: AP-ENABLED openqa-piworker:~ # cat /etc/sysconfig/network/ifcfg-br0 IPADDR='192.168.7.1/24' BOOTPROTO='static' STARTMODE='auto' BRIDGE='yes' BRIDGE_PORTS='' BRIDGE_STP='off' BRIDGE_FORWARDDELAY='15' ZONE=dmz openqa-piworker:~ # cat /etc/hostapd.conf interface=wlan0 bridge=br0 ssid=openQA-worker wpa_passphrase=0foobar12345 driver=nl80211 country_code=DE hw_mode=g channel=7 # Bit field: bit0 = WPA, bit1 = WPA2, 3=both wpa=2 # Bit field: 1=wpa, 2=wep, 3=both auth_algs=1 wpa_pairwise=CCMP wpa_key_mgmt=WPA-PSK logger_stdout=-1 logger_stdout_level=2 openqa-piworker:~ # systemctl cat hostapd.service # /usr/lib/systemd/system/hostapd.service [Unit] Description=Hostapd IEEE 802.11 AP, IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator After=network.target [Service] ExecStart=/usr/sbin/hostapd /etc/hostapd.conf ExecReload=/bin/kill -HUP $MAINPID [Install] WantedBy=multi-user.target # /etc/systemd/system/hostapd.service.d/override.conf # Ensure that wlan0 is up before starting hostapd (otherwise hostapd will not add wlan0 to the bridge) [Unit] BindsTo=sys-subsystem-net-devices-wlan0.device After=sys-subsystem-net-devices-wlan0.device -- You are receiving this mail because: You are the assignee for the bug.

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bugzilla_noreply＠suse.com

28 Jul 28 Jul

12:57

New subject: [Bug 1213757] All processes that try to communicate with NETLINK socket hang up if running hostapd on Raspberry Pi

https://bugzilla.suse.com/show_bug.cgi?id=1213757 https://bugzilla.suse.com/show_bug.cgi?id=1213757#c1 --- Comment #1 from Dominik Heidler --- Created attachment 868484 --> https://bugzilla.suse.com/attachment.cgi?id=868484&action=edit dmesg -- You are receiving this mail because: You are the assignee for the bug.

bugzilla_noreply＠suse.com

13:04

New subject: [Bug 1213757] All processes that try to communicate with NETLINK socket hang up if running hostapd on Raspberry Pi

https://bugzilla.suse.com/show_bug.cgi?id=1213757 https://bugzilla.suse.com/show_bug.cgi?id=1213757#c2 --- Comment #2 from Dominik Heidler --- This also affects 15.4. We suspect that this was introduced by kernel-default-5.14.21-150400.24.69.1.aarch64.rpm -- You are receiving this mail because: You are the assignee for the bug.

bugzilla_noreply＠suse.com

2 Aug 2 Aug

11:34

New subject: [Bug 1213757] All processes that try to communicate with NETLINK socket hang up if running hostapd on Raspberry Pi

https://bugzilla.suse.com/show_bug.cgi?id=1213757 https://bugzilla.suse.com/show_bug.cgi?id=1213757#c3 Takashi Iwai changed: What |Removed |Added ---------------------------------------------------------------------------- Flags| |needinfo?(dheidler@suse.com | |) CC| |dheidler@suse.com, | |tiwai@suse.com --- Comment #3 from Takashi Iwai --- (In reply to Dominik Heidler from comment #2)

...

This also affects 15.4.

We suspect that this was introduced by kernel-default-5.14.21-150400.24.69.1.aarch64.rpm

Could you verify it? Install the previous 15.4 kernel and check whether it works or not? -- You are receiving this mail because: You are the assignee for the bug.