Date: Sun, 02 Jul 2023 09:55:48 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 272319] FreeBSD kernel crash on MPD5 restart with PPP configuration. Message-ID: <bug-272319-7501-xDe91ZXttQ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-272319-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-272319-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=272319 --- Comment #4 from Eugene Grosbein <eugen@freebsd.org> --- I've added some debugging options to my kernel: options INVARIANT_SUPPORT options INVARIANTS options WITNESS options WITNESS_KDB And got more sane panic message: panic: mtx_lock() of spin mutex (null) @ /usr/src/sys/netgraph/ng_ksocket.c:940 (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=<optimized out>) at /usr/src/sys/kern/kern_shutdown.c:371 #2 0xffffffff804c6eef in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:452 #3 0xffffffff804c7251 in vpanic (fmt=<optimized out>, ap=0xfffffe00184e6280) at /usr/src/sys/kern/kern_shutdown.c:881 #4 0xffffffff804c7093 in panic (fmt=<unavailable>) at /usr/src/sys/kern/kern_shutdown.c:808 #5 0xffffffff804a77a0 in __mtx_lock_flags (c=0xfffff8004da77ba8, opts=<optimized out>, file=0xffffffff807e1b04 "/usr/src/sys/netgraph/ng_ksocket.c", line=940) at /usr/src/sys/kern/kern_mutex.c:261 #6 0xffffffff805e1478 in ng_ksocket_shutdown (node=0xfffff8001066f100) at /usr/src/sys/netgraph/ng_ksocket.c:940 #7 0xffffffff805db00f in ng_rmnode (node=0xfffff8001066f100, dummy1=<optimized out>, dummy2=<optimized out>, dummy3=<optimized out>) at /usr/src/sys/netgraph/ng_base.c:757 #8 0xffffffff805dcec9 in ng_apply_item (node=<unavailable>, item=<unavailable>, rw=1) at /usr/src/sys/netgraph/ng_base.c:2477 #9 0xffffffff805e0080 in ngthread (arg=<optimized out>) at /usr/src/sys/netgraph/ng_base.c:3439 #10 0xffffffff804891c0 in fork_exit (callout=0xffffffff805dfea0 <ngthread>, arg=0x0, frame=0xfffffe00184e6480) at /usr/src/sys/kern/kern_fork.c:1080 #11 <signal handler called> -- You are receiving this mail because: You are the assignee for the bug.
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