Date: Wed, 2 Aug 2017 05:00:19 +0200 From: John Keates <john@keates.nl> To: freebsd-questions@freebsd.org Subject: FreeBSD 11.0 (pfSense 2.4) kernel panic with more than 3 Xen (4.8.1) VIF's Message-ID: <AB01214D-F581-477A-8187-505F46E8E8B0@keates.nl>
next in thread | raw e-mail | index | archive | help
Hi, I=E2=80=99m using FreeBSD 11.0 (technically in a pfSense 2.4 = distribution form) in a VM (HVM with PV on for optimised virtual = devices) using Xen 4.8.1. (management OS is Debian Stretch). When starting the VM with 3 or less network interfaces, everything works = fine, but as soon as I add a 4th interface the VM gets a kernel panic = and dumps (and reboots). When adding a 5th or more interface and booting = it doesn=E2=80=99t even dump anymore, it panics and immediately goes = into db>. Configuration file for the VM: name =3D 'firewall' bios =3D "ovmf" uuid=3D"11d1366c-40e2-43b2-83be-52cfe0c6542d" builder =3D 'hvm' memory =3D '2024' vcpus =3D 4 disk =3D ['file:/dev/hypervisor-local/firewall-system,xvda,w'] vif =3D [ 'mac=3D00:16:3e:e5:68:fd, bridge=3Dwan0, = script=3Dvif-openvswitch-no-offload, type=3Dvif', 'mac=3D00:16:3e:e8:20:db, bridge=3Dlan10, = script=3Dvif-openvswitch-no-offload, type=3Dvif', #'mac=3D00:16:3e:ee:02:44, bridge=3Dlan20, = script=3Dvif-openvswitch-no-offload, type=3Dvif', #'mac=3D00:16:3e:e1:03:f1, bridge=3Dlan30, = script=3Dvif-openvswitch-no-offload, type=3Dvif', 'mac=3D00:16:3e:e2:30:44, bridge=3Dlan40, = script=3Dvif-openvswitch-no-offload, type=3Dvif' ] boot =3D 'c' serial=3D=E2=80=98pty' Disk image used for installation: = https://snapshots.pfsense.org/amd64/pfSense_master/installer/pfSense-CE-me= mstick-serial-2.4.0-BETA-amd64-latest.img.gz = <https://snapshots.pfsense.org/amd64/pfSense_master/installer/pfSense-CE-m= emstick-serial-2.4.0-BETA-amd64-latest.img.gz> (added as xvdb) Initial panic lines (with 4 interfaces): panic: HYPERVISOR_memory_op failed to map gnttab cpuid =3D 2 KDB: enter: panic [ thread pid 26 tid 100093 ] Stopped at kdb_enter+0x3b: movq $0,kdb_why Mostly complete crash dump: = https://forum.pfsense.org/index.php?topic=3D134533.0 I can supply the dumps themselves as well I suppose, they should still = be stored on the system. If needed I should be able to re-create this on = pure FreeBSD 11.0 too. Has this type of problem with the netback/netfront combination with = FreeBSD and Xen been happening before? And if so, was it resolved? I = couldn=E2=80=99t find anything matching my case, but I might not be = using the right search options. Regards, John
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?AB01214D-F581-477A-8187-505F46E8E8B0>