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UEK3 CRASH WITH DTRACE CORE (Doc ID 2197479.1)

Last updated on AUGUST 04, 2018

Applies to:

Linux OS - Version Oracle Linux 6.5 with Unbreakable Enterprise Kernel [3.8.13] and later
Information in this document applies to any platform.

Symptoms

On : Oracle Linux 6.5 with Unbreakable Enterprise Kernel [3.8.13] version, Linux OS Install

After a fresh installation (all defaults) of Oracle Linux 6.7 from iso, GRUB menu shows two choices:

Oracle Linux Server Unbreakable Enterprise Kernel (3.8.13-68.3.4.el6uek.x86_64
Oracle Linux Server Red Hat Compatible Kernel (2.6.32-573.el6.x86_64)

Booting from UEK causes system to panic:


BUG: unable to handle kernel paging request at 00007ffc5bebef38
IP: [<ffffffff81290899>] strnlen+0x9/0x40
PGD 7dbe575067 PUD 7dbe570067 PMD 7dbe923067 PTE 800000807fbb7067
Oops: 0001 [#1] SMP
Modules linked in:
CPU 121
Pid: 1, comm: init Tainted: G W 3.8.13-68.3.3.el6uek.x86_64 #2
Oracle Corporation /
RIP: 0010:[<ffffffff81290899>] [<ffffffff81290899>] strnlen+0x9/0x40
RSP: 0000:ffff887dcd143e38 EFLAGS: 00010206
RAX: 0000000000000035 RBX: ffff887dbe91e840 RCX: 0000000000000000
RDX: 0000000000000035 RSI: 0000000000020000 RDI: 00007ffc5bebef38
RBP: ffff887dcd143e38 R08: ffff887dbe576b50 R09: ffff887dcd143da8
R10: ffff887dcd143da8 R11: 0000000000000007 R12: 00007ffc5bebef38
R13: ffff887dbdcc1680 R14: ffff887dcd140040 R15: 0000000000000000
usb 2-1.8: new full-speed USB device number 6 using ehci-pci
FS: 0000000000000000(0000) GS:ffff887e7ed20000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc5bebef38 CR3: 0000007dbe577000 CR4: 00000000003407e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process init (pid: 1, threadinfo ffff887dcd142000, task ffff887dcd140040)
Stack:
ffff887dcd143e88 ffffffff8112f3bb ffff887dc9de3b82 0000000000000000
ffff887dcd143e88 ffff887dc9de3b80 ffff887dcd140040 0000000000000000
ffff887dcd140040 0000000000000000 ffff887dcd143ef8 ffffffff8119b346
Call Trace:
[<ffffffff8112f3bb>] dtrace_psinfo_alloc+0x13b/0x3f0
[<ffffffff8119b346>] do_execve_common+0x3c6/0x470
[<ffffffff81584bc0>] ? rest_init+0x80/0x80
[<ffffffff8119b4b7>] do_execve+0x37/0x40
[<ffffffff810021a3>] run_init_process+0x23/0x30
[<ffffffff81584bfd>] kernel_init+0x3d/0xf0
[<ffffffff815a37c8>] ret_from_fork+0x58/0x90
Code: 66 90 48 83 c2 01 80 3a 00 75 f7 48 89 d0 48 29 f8 c9 c3 66 66 66 66 66
66 2e 0f 1f 84 00 00 00 00 00 55 48 85 f6 48 89 e5 74 2e <80> 3f 00 74 29 48
83 ee 01 48 89 f8 eb 12 66 0f 1f 84 00 00 00
RIP [<ffffffff81290899>] strnlen+0x9/0x40
RSP <ffff887dcd143e38>
CR2: 00007ffc5bebef38
---[ end trace 650ddbbf8b4443bc ]---
Kernel panic - not syncing: Fatal exception

Booting from Red Hat Compatible Kernel is OK

Changes

 Fresh installation of Oracle Linux 6.7 from ISO

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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