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Oracle VM: Dom0 Crash With Kernel Memory Error (Doc ID 2472584.1)

Last updated on MAY 02, 2019

Applies to:

Oracle VM - Version 3.4.5 to 3.4.5 [Release OVM34]
Information in this document applies to any platform.

Symptoms

The server displays a kernel crash dump.  The exact callback trace varies but the ultimate failure is similar to:

[ 8329.277811] BUG: unable to handle kernel paging request at ffff88042c5c7f58
[ 8329.278025] IP: [<ffffffff8101603e>] copy_thread+0xfe/0x290
[ 8329.278229] PGD 1ad6067 PUD 2152067 PMD 41dae8067 PTE 0
[ 8329.278453] Oops: 0002 [#1] SMP
[ 8329.278663] Modules linked in: ocfs2 mptctl mptbase xen_netback xen_blkback xen_gntalloc xen_gntdev xen_evtchn xenfs xen_privcmd ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs bnx2fc fcoe libfcoe libfc sunrpc 8021q mrp garp bridge stp llc bonding dm_round_robin dm_multipath iTCO_wdt iTCO_vendor_support pcspkr shpchp sb_edac edac_core i2c_i801 i2c_core cdc_ether usbnet mii lpc_ich mfd_core ioatdma sg ipmi_devintf ipmi_si ipmi_msghandler ext4 jbd2 mbcache2 usb_storage sd_mod ahci libahci megaraid_sas ixgbe dca ptp pps_core vxlan udp_tunnel ip6_udp_tunnel qla2xxx scsi_transport_fc crc32c_intel be2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi ipv6 cxgb3 mdio libiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi wmi dm_mirror dm_region_hash dm_log dm_mod
[ 8329.281096]
[ 8329.281300] CPU: 10 PID: 27523 Comm: python Tainted: G W 4.1.12-124.16.1.el6uek.bug28258102debug4.x86_64 #2
[ 8329.281691] Hardware name: Oracle Corporation ORACLE SERVER X5-2/ASM,MOTHERBOARD,1U, BIOS 30130400 02/08/2018
[ 8329.282099] task: ffff8803f1931c00 ti: ffff88049990c000 task.ti: ffff88049990c000
[ 8329.282496] RIP: e030:[<ffffffff8101603e>] [<ffffffff8101603e>] copy_thread+0xfe/0x290
[ 8329.282891] RSP: e02b:ffff88049990fdc8 EFLAGS: 00010246
[ 8329.283098] RAX: ffff8803f1930e00 RBX: ffff88042c5c7f58 RCX: 0000000000000015
[ 8329.283301] RDX: ffff880499910000 RSI: ffff88049990ff58 RDI: ffff88042c5c7f58
[ 8329.283505] RBP: ffff88049990fde8 R08: 0000000000000000 R09: 0000000001200011
[ 8329.283709] R10: 0000000000000000 R11: ffff8803f1931c00 R12: 0000000000000000
[ 8329.283934] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000001200011
[ 8329.284142] FS: 00007fb52f1bc700(0000) GS:ffff8804a6c80000(0000) knlGS:ffff8804a6c80000
[ 8329.284528] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8329.284752] CR2: ffff88042c5c7f58 CR3: 0000000442870000 CR4: 0000000000042660
[ 8329.284958] Stack:
[ 8329.285146] ffff880497147080 ffff8803f1930e00 0000000000000000 0000000000000000
[ 8329.285586] ffff88049990fec8 ffffffff81082d1e ffff88049990fe48 ffff88049dd52540
[ 8329.285981] 0000000000000000 0000000000000000 ffff88042c914408 ffff88042c914410
[ 8329.286377] Call Trace:
[ 8329.286593] [<ffffffff81082d1e>] copy_process.part.26+0xd4e/0x19e0
[ 8329.286797] [<ffffffff81083b4c>] do_fork+0xbc/0x3a0
[ 8329.286996] [<ffffffff81026ddb>] ? syscall_trace_enter_phase1+0x11b/0x180
[ 8329.287199] [<ffffffff816edb66>] ? system_call_after_swapgs+0xf0/0x18e
[ 8329.287426] [<ffffffff816edb5f>] ? system_call_after_swapgs+0xe9/0x18e
[ 8329.287633] [<ffffffff81083eb6>] SyS_clone+0x16/0x20
[ 8329.287833] [<ffffffff816edc1c>] system_call_fastpath+0x18/0xd6
[ 8329.288032] Code: 00 00 00 0f 85 f4 00 00 00 65 48 8b 14 25 80 ee 00 00 48 8b 92 68 09 00 00 4d 85 d2 b9 15 00 00 00 48 89 df 48 8d b2 58 ff ff ff <f3> 48 a5 48 c7 43 50 00 00 00 00 0f 85 91 00 00 00 49 89 c4 49
[ 8329.288951] RIP [<ffffffff8101603e>] copy_thread+0xfe/0x290

Changes

 N/A

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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