Date: Wed, 26 Feb 2020 17:49:36 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 244247] Kernel panic due to racecondition in ng_eiface shutdown Message-ID: <bug-244247-7501-bKPAWFctgJ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-244247-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-244247-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D244247 --- Comment #11 from Vladislav V. Prodan <admin@support.od.ua> --- I applied the patch and rebuilt the kernel. Kernel panic is no longer there, but in the logs /var/log/messages messages= of the form: ... Feb 26 21:43:17 core kernel: ngeth504: link state changed to DOWN Feb 26 21:43:17 core dhclient[3168]: receive_packet failed on ngeth504: Dev= ice not configured Feb 26 21:43:17 core dhclient[3168]: ioctl(SIOCGIFFLAGS) on ngeth504: Opera= tion not permitted Feb 26 21:43:17 core kernel: if_delmulti_locked: detaching ifnet instance 0xfffff80059e8b000 Feb 26 21:43:17 core syslogd: last message repeated 1 times Feb 26 21:43:17 core kernel: ifaddr cache =3D 0xfffff8000ddf5600 is deleted Feb 26 21:43:17 core kernel: if_delmulti_locked: detaching ifnet instance 0xfffff80059e8b000 Feb 26 21:43:17 core syslogd: last message repeated 3 times Feb 26 21:43:17 core dhclient[3168]: Interface ngeth504 no longer appears valid. Feb 26 21:43:17 core dhclient[3168]: No live interfaces to poll on - exitin= g. Feb 26 21:43:17 core dhclient[3168]: exiting. Feb 26 21:43:17 core dhclient[3168]: connection closed Feb 26 21:43:17 core dhclient[3168]: exiting. Feb 26 21:43:17 core root[3259]: /etc/rc.d/dhclient: WARNING: failed to sta= rt dhclient ... Feb 26 21:46:11 core kernel: ngeth0: link state changed to DOWN Feb 26 21:46:11 core dhclient[3521]: receive_packet failed on ngeth0: Device not configured Feb 26 21:46:11 core dhclient[3521]: ioctl(SIOCGIFFLAGS) on ngeth0: Operati= on not permitted Feb 26 21:46:11 core dhclient[3521]: Interface ngeth0 no longer appears val= id. Feb 26 21:46:11 core dhclient[3521]: No live interfaces to poll on - exitin= g. Feb 26 21:46:11 core dhclient[3521]: exiting. Feb 26 21:46:11 core dhclient[3521]: connection closed Feb 26 21:46:11 core dhclient[3521]: exiting. Feb 26 21:46:11 core root[10207]: /etc/rc.d/dhclient: WARNING: failed to st= art dhclient Feb 26 21:46:11 core kernel: if_delmulti_locked: detaching ifnet instance 0xfffff80059e8e000 Feb 26 21:46:11 core kernel: ifaddr cache =3D 0xfffff80059db2800 is deleted Feb 26 21:46:11 core kernel: if_delmulti_locked: detaching ifnet instance 0xfffff80059e8e000 Feb 26 21:46:11 core syslogd: last message repeated 4 times ... --=20 You are receiving this mail because: You are the assignee for the bug.=
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