https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268086
Bug ID: 268086
Summary: spin lock held too long in icmp6_rip6_input
Product: Base System
Version: 13.1-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 238458
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=238458&action=edit
kgdb output
Hello,
I had this kernel crash on 2 of my routers running a GENERIC 13.1-RELEASE-p3
kernel. This is probably related to adding some new tunnels, starting BGP
sessions with BIRD and adding some routes. A few hours after this change the
both routers crashed just minutes apart with identical stack trace. Once the
change was undone, the routers operate stable for days.
I understand that icmp6_rip6_input's job is to deliver ICMP6 packets to open
sockets. In case of my routers the raw sockets would be held by radvd, fping
(from smokeping) and some python program I use as a smokeping replacement.
Looking at the mbuf at frames 33 icmp6_rip6_input, 34 icmp6_input, 35 ip6_input
I can see ICMPv6 Neighbor Solicitation messages.
Please find attached kgdb bt output. I have the whole memory dump and I can get
other data from it if necessary.
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