Oracle Linux: UEK3 Kernel Panic At "RIP: asm_integrity_check+40" (Doc ID 2287864.1)

Last updated on JULY 26, 2017

Applies to:

Linux OS - Version Oracle Linux 6.0 with Unbreakable Enterprise Kernel [2.6.32] and later
Linux x86-64


The Oracle UEK3 kernel may panic showing "RIP: asm_integrity_check+40" in the kernel stack trace. Panic information should be shown on the system console.  The /var/log/messages file may also show this. Best practice is to setup the kdump(8) facility prior to this happening.  Below is the call trace found from the vmcore file produced by kdump(8):.

crash> bt
PID: 36040 TASK: ffff882ff750e500 CPU: 37 COMMAND: "kfod"
#0 [ffff882ff9259740] machine_kexec at ffffffff81043119
#1 [ffff882ff92597b0] crash_kexec at ffffffff810cd399
#2 [ffff882ff9259880] oops_end at ffffffff815a36b8
#3 [ffff882ff92598b0] no_context at ffffffff8104d652
#4 [ffff882ff9259900] __bad_area_nosemaphore at ffffffff8104d84d
#5 [ffff882ff9259950] bad_area_nosemaphore at ffffffff8104d963
#6 [ffff882ff9259960] __do_page_fault at ffffffff815a6254
#7 [ffff882ff9259a80] do_page_fault at ffffffff815a661e
#8 [ffff882ff9259a90] page_fault at ffffffff815a2a58
[exception RIP: asm_integrity_check+40]
RIP: ffffffffa0508258 RSP: ffff882ff9259b48 RFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000002b32d20 RCX: 0000000000000000
RDX: ffffffffa019e861 RSI: ffffffffa019e872 RDI: ffffffffa050a292
RBP: ffff882ff9259b68 R8: ffff882ff7f430f8 R9: ffff882ff7f59840
R10: 0000000000000008 R11: 0000000000000000 R12: ffff882ffab05200
R13: ffff882ff9259c68 R14: ffff882ffab05200 R15: 0000000002b32d20
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#9 [ffff882ff9259b70] asm_submit_io at ffffffffa0504310 [oracleasm]
#10 [ffff882ff9259c40] asm_submit_io_native at ffffffffa050541a [oracleasm]
#11 [ffff882ff9259d00] asm_do_io at ffffffffa050662b [oracleasm]
#12 [ffff882ff9259e20] asmfs_svc_io64 at ffffffffa050687a [oracleasm]
#13 [ffff882ff9259eb0] asmfs_file_read at ffffffffa05072f6 [oracleasm]
#14 [ffff882ff9259ee0] vfs_read at ffffffff81196551
#15 [ffff882ff9259f20] sys_read at ffffffff81196c6f
#16 [ffff882ff9259f80] system_call_fastpath at ffffffff815aaeb9
RIP: 00002b7683a1f810 RSP: 00007ffd6ea70bc8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff815aaeb9 RCX: ffffffffffffffff
RDX: 0000000000000050 RSI: 00007ffd6ea70a40 RDI: 0000000000000005
RBP: 00007ffd6ea70c58 R8: 0000000000000040 R9: 0101010101010101
R10: 00007ffd6ea70720 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffd6ea70c54 R15: 0000000000000001
ORIG_RAX: 0000000000000000 CS: 0033 SS: 002b



The system deployment has not been changed recently. The panic may occur while trying to install Oracle Grid software.


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