I have tested all kernels in the list (except 4.6 which link leads to 404) and the first kernel with the bug is v4.15 Final.
Kernel v4.15 also seems to be the first kernel with the exception table in net/ipv6/route.c. -- 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/1788623 Title: regression: IPv6 PMTU discovery fails with source-specific routing Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: IPv6 PMTU discovery fails when using source-specific routing on Ubuntu 18.04. I have attached a test case called pmtu-sads.sh which is based on tools/testing/selftests/net/pmtu.sh in the linux source. I have verified that the test fails on: Ubuntu 18.04 with 4.15.0-30.32 Ubuntu 18.04 with 4.17.0-041700.201806041953 Ubuntu 18.04 with 4.18.3-041803.201808180530 The test succeeds on Ubuntu 16.04 with 4.4.0.131.137 which makes it a regression. System information: Ubuntu 4.15.0-30.32-generic 4.15.18 Description: Ubuntu 18.04.1 LTS Release: 18.04 See below for a patch which is working for me. I'm currently using linux kernel 4.15.0-32.35 built from git://kernel.ubuntu.com/ubuntu/ubuntu-bionic.git with this patch. --- ProblemType: Bug AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.15.0-30-generic. AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer': 'amixer' Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer': 'amixer' DistroRelease: Ubuntu 18.04 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig' Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: QEMU Standard PC (i440FX + PIIX, 1996) Package: linux (not installed) ProcFB: 0 qxldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-30-generic root=UUID=041f6e1e-4904-4760-8518-3a88dc288556 ro splash quiet vt.handoff=1 ProcVersionSignature: Ubuntu 4.15.0-30.32-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-30-generic N/A linux-backports-modules-4.15.0-30-generic N/A linux-firmware 1.173.1 RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill' Tags: bionic Uname: Linux 4.15.0-30-generic x86_64 UnreportableReason: This report is about a package that is not installed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: False dmi.bios.date: 04/01/2014 dmi.bios.vendor: SeaBIOS dmi.bios.version: 1.10.2-1ubuntu1 dmi.chassis.type: 1 dmi.chassis.vendor: QEMU dmi.chassis.version: pc-i440fx-bionic dmi.modalias: dmi:bvnSeaBIOS:bvr1.10.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-bionic:cvnQEMU:ct1:cvrpc-i440fx-bionic: dmi.product.name: Standard PC (i440FX + PIIX, 1996) dmi.product.version: pc-i440fx-bionic dmi.sys.vendor: QEMU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788623/+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
