Which kernel version was used before (and did not show this crash)? Can you reproduce the issue on a non-production server (which would allow to experiment with the HWE (4.15) kernel)?
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1824687 Title: 4.4.0-145-generic Kernel Panic ip6_expire_frag_queue Status in linux package in Ubuntu: New Status in linux source package in Xenial: New Bug description: Description: Ubuntu 16.04.6 LTS Release: 16.04 After upgrading our server to this Kernel we experience frequent Kernel panics (Attachment). Every 3 hours. Our machine has a throuput of about 600 Mbits/s The Panics are around the area of ip6_expire_frag_queue. __pskb_pull_tail ip6_dst_lookup_tail _decode_session6 __xfrm_decode_session icmpv6_route_lookup icmp6_send It seems similar to Bug Report in Debian. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=922488 According to the bug finder of above bug it also occurred after using a Kernel with the change of rewrite ip6_expire_frag_queue() Intermediate solution. We disabled IPv6 on this machine to avoid further Panics. Please let me know what information is missing. The ubuntu-bug linux was send. And I hope it is attached to this report. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-145-generic 4.4.0-145.171 ProcVersionSignature: Ubuntu 4.4.0-145.171-generic 4.4.176 Uname: Linux 4.4.0-145-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 Date: Sun Apr 14 11:40:11 2019 InstallationDate: Installed on 2018-03-18 (391 days ago) InstallationMedia: Ubuntu-Server 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228) ProcEnviron: LANGUAGE=en_GB:en TERM=xterm-256color PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed UpgradeStatus: Upgraded to xenial on 2018-10-21 (174 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1824687/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
