OVM Server Will Crash As Soon As Guest Is Running

(Doc ID 2057480.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle VM - Version 3.2.9 to 3.2.9 [Release OVM32]
Information in this document applies to any platform.


On : 3.2.9 version

When attempting to connect to a vm guest via ssh, then the OVS crashes.
The following error occurs.

Jun 9 06:56:58 ovm16 kernel: kernel BUG at drivers/net/xen-netback/netback.c:594!
Jun 9 06:56:58 ovm16 kernel: invalid opcode: 0000 [#1] SMP
Jun 9 06:56:58 ovm16 kernel: CPU 0
Jun 9 06:56:58 ovm16 kernel: Modules linked in: ocfs2 jbd2 xen_blkback xen_netback xen_gntdev xen_evtchn i2c_dev i2c_core ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs lockd sunrpc 8021q garp qlcnic bridge stp llc bonding dm_round_robin scsi_dh_alua dm_multipath be2iscsi iscsi_boot_sysfs ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp bnx2i cnic uio ipv6 cxgb3i libcxgbi cxgb3 mdio libiscsi_tcp libiscsi scsi_transport_iscsi xenfs xen_privcmd dm_mirror video sbs sbshc acpi_memhotplug acpi_ipmi ipmi_msghandler parport_pc lp parport wmi lpfc ixgbe hwmon dca snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ghes hed dm_region_hash dm_log dm_mod usb_storage qla2xxx scsi_transport_fc scsi_tgt ahci libahci sg shpchp megaraid_sas sd_mod crc_t10dif ext3 jbd mbcache
Jun 9 06:56:58 ovm16 kernel:
Jun 9 06:56:58 ovm16 kernel: Pid: 18334, comm: netback/0 Tainted: G W 2.6.39-400.215.9.el5uek #1 Oracle Corporation ORACLE SERVER X5-2/ASM,MOTHERBOARD,1U
Jun 9 06:56:58 ovm16 kernel: RIP: e030:[] [] netbk_gop_skb+0x315/0x330 [xen_netback]
Jun 9 06:56:58 ovm16 kernel: RSP: e02b:ffff8801a606bd40 EFLAGS: 00010246
Jun 9 06:56:58 ovm16 kernel: RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
Jun 9 06:56:58 ovm16 kernel: RDX: 0000000000000001 RSI: ffff8801a606bde0 RDI: ffff8801bd4ed0c0

The issue can be reproduced at will with the following steps:
1. start  guest
2. access guest through ssh from another guest


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