Public bug reported: Using a KVM virtual machine with 12 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8100/8101L/8139 PCI Fast Ethernet Adapter (rev 20).
Simple config: # The primary network interface auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address 192.168.200.128 netmask 255.255.255.0 mtu 4097 While mtu of 4096 comes up fine. Mar 11 15:50:38 networkbase systemd[1]: Started User Manager for UID 1000. Mar 11 15:50:38 networkbase kernel: ifquery[914]: segfault at 0 ip 00000000004031c8 sp 00007ffc6057d870 error 4 in ifup[400000+d000] Mar 11 15:50:38 networkbase sh[777]: Segmentation fault (core dumped) .... Repeats a lot..... Mar 11 15:52:28 networkbase kernel: ifquery[1524]: segfault at 0 ip 00000000004031c8 sp 00007fffd0121230 error 4 in ifup[400000+d000] Mar 11 15:52:28 networkbase sh[777]: Segmentation fault (core dumped) Mar 11 15:52:29 networkbase systemd[1]: ifup-wait-all-auto.service start operation timed out. Terminating. Mar 11 15:52:29 networkbase systemd[1]: Failed to start Wait for all "auto" /etc/network/interfaces to be up for network-online.target. Mar 11 15:52:29 networkbase systemd[1]: Unit ifup-wait-all-auto.service entered failed state. Mar 11 15:52:29 networkbase systemd[1]: ifup-wait-all-auto.service failed. Mar 11 15:52:29 networkbase systemd[1]: Reached target Network is Online. ProblemType: Crash DistroRelease: Ubuntu 15.04 Package: ifupdown 0.7.48.1ubuntu6 ProcVersionSignature: Ubuntu 3.19.0-8.8-generic 3.19.1 Uname: Linux 3.19.0-8-generic x86_64 ApportVersion: 2.16.2-0ubuntu2 Architecture: amd64 Date: Wed Mar 11 15:46:11 2015 ExecutablePath: /sbin/ifup InstallationDate: Installed on 2015-03-04 (6 days ago) InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Alpha amd64 (20150304) ProcCmdline: ifquery --state eth0 eth1 ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SegvAnalysis: Skipped: missing required field "Disassembly" Signal: 11 SourcePackage: ifupdown UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: ** Affects: ifupdown (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-crash need-amd64-retrace vivid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ifupdown in Ubuntu. https://bugs.launchpad.net/bugs/1430993 Title: MTU can't be higher than 4096 Status in ifupdown package in Ubuntu: New Bug description: Using a KVM virtual machine with 12 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8100/8101L/8139 PCI Fast Ethernet Adapter (rev 20). Simple config: # The primary network interface auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address 192.168.200.128 netmask 255.255.255.0 mtu 4097 While mtu of 4096 comes up fine. Mar 11 15:50:38 networkbase systemd[1]: Started User Manager for UID 1000. Mar 11 15:50:38 networkbase kernel: ifquery[914]: segfault at 0 ip 00000000004031c8 sp 00007ffc6057d870 error 4 in ifup[400000+d000] Mar 11 15:50:38 networkbase sh[777]: Segmentation fault (core dumped) .... Repeats a lot..... Mar 11 15:52:28 networkbase kernel: ifquery[1524]: segfault at 0 ip 00000000004031c8 sp 00007fffd0121230 error 4 in ifup[400000+d000] Mar 11 15:52:28 networkbase sh[777]: Segmentation fault (core dumped) Mar 11 15:52:29 networkbase systemd[1]: ifup-wait-all-auto.service start operation timed out. Terminating. Mar 11 15:52:29 networkbase systemd[1]: Failed to start Wait for all "auto" /etc/network/interfaces to be up for network-online.target. Mar 11 15:52:29 networkbase systemd[1]: Unit ifup-wait-all-auto.service entered failed state. Mar 11 15:52:29 networkbase systemd[1]: ifup-wait-all-auto.service failed. Mar 11 15:52:29 networkbase systemd[1]: Reached target Network is Online. ProblemType: Crash DistroRelease: Ubuntu 15.04 Package: ifupdown 0.7.48.1ubuntu6 ProcVersionSignature: Ubuntu 3.19.0-8.8-generic 3.19.1 Uname: Linux 3.19.0-8-generic x86_64 ApportVersion: 2.16.2-0ubuntu2 Architecture: amd64 Date: Wed Mar 11 15:46:11 2015 ExecutablePath: /sbin/ifup InstallationDate: Installed on 2015-03-04 (6 days ago) InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Alpha amd64 (20150304) ProcCmdline: ifquery --state eth0 eth1 ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SegvAnalysis: Skipped: missing required field "Disassembly" Signal: 11 SourcePackage: ifupdown UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1430993/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp