PV Guest Crashes with 'elf_core_dump' in Call Trace on Oracle VM Server (Doc ID 789907.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle VM - Version: 2.1
Linux x86

Symptoms

On Oracle VM 2.1.2, PV guest crashes with following errors in the guest's system log /var/log/messages:

kernel: Unable to handle kernel paging request at virtual address f1341b37
kernel: printing eip:
kernel: c01c8004
kernel: 28c46000 -> *pde = 00000002:dd2e9027
kernel: 28d75000 -> *pme = 00000000:00000000
kernel: Oops: 0000 [#1]
kernel: SMP
kernel: Modules linked in: md5 ipv6 autofs4 nfs lockd nfs_acl sunrpc
dm_mirror dm_mod xennet ext3 jbd xenblk sd_mod scsi_mod
kernel: CPU: 0
kernel: EIP: 0061:[<c01c8004>] Not tainted VLI
kernel: EFLAGS: 00010212 (2.6.9-78.0.1.ELxenU)
kernel: EIP is at memcpy+0x14/0x29
kernel: eax: 00000020 ebx: f1341b37 ecx: 00000008 edx: 00000000
kernel: esi: f1341b37 edi: e8e50e00 ebp: 000012f4 esp: e8e50d90
kernel: ds: 007b es: 007b ss: 0068
kernel: Process XXXX (pid: 12115, threadinfo=e8e50000 task=e9094ed0)
kernel: Stack: 00000020 00000000 00000000 c0183558 e8e50e00 f1341b37
00000020
000034d1
Mar 11 14:33:07 vole kernel: e8dcbbc0 00000003 00000000 ec1bb200 ebb09f80 eb661880
c33ba740
c3352280
Mar 11 14:33:07 vole kernel: 00000006 00200000 0006b000 00000000 01a5a000 00000000
c0000000
00000001
kernel: Call Trace:
kernel: [<c0183558>] elf_core_dump+0x6d2/0xa46
kernel: [<c0159c7c>] do_truncate+0x5e/0x77
kernel: [<c0166851>] do_coredump+0x24a/0x298
kernel: [<c0125d2d>] free_uid+0x35/0xa6
kernel: [<c0126015>] recalc_sigpending+0xf/0x1c
kernel: [<c0126571>] __dequeue_signal+0x158/0x160
kernel: [<c0126597>] dequeue_signal+0x1e/0x62
kernel: [<c0127f96>] get_signal_to_deliver+0x305/0x336
kernel: [<c01072d1>] do_signal+0x4d/0xd1
kernel: [<c011a94c>] autoremove_wake_function+0x0/0x3a
kernel: [<c0175242>] dnotify_parent+0x1f/0x75
kernel: [<c015b6ab>] vfs_read+0xcf/0xd8
kernel: [<c015b8a1>] sys_read+0x3b/0x63
kernel: [<c01135c4>] do_page_fault+0x0/0x83d
kernel: [<c010737d>] do_notify_resume+0x28/0x37
kernel: [<c01074b9>] work_notifysig+0x13/0x1a


Cause

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