Sun Storage 7000 Unified Storage System: Akd Process Terminated By Sigsegv (Segmentation Fault)

Asset ID:	1-72-1548204.1
Update Date:	2018-03-20
Keywords:

Solution Type Problem Resolution Sure

Solution 1548204.1 : Sun Storage 7000 Unified Storage System: Akd Process Terminated By Sigsegv (Segmentation Fault)

Applies to:

Sun Storage 7410 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7120 - Version All Versions to All Versions [Release All Releases]
Sun ZFS Backup Appliance - Version All Versions to All Versions [Release All Releases]
Sun Storage 7210 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun Storage 7110 Unified Storage System - Version All Versions to All Versions [Release All Releases]
7000 Appliance OS (Fishworks)

Symptoms

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NAS generated alert "Communication with the cluster peer via a cluster interconnect link has been lost" frequently.

### Configuration

7410 in cluster running following version:
Appliance Type: Sun Storage 7410
Appliance Version: 2011.04.24.2.0,1-2.14.2.1
BIOS: American Megatrends Inc. 0ABMN080 06/25/2010
Service Processor: 2.0.2.16

Other symptoms are:

- akd service log report akd core dumped

[ Oct 14 00:03:37 Stopping because process dumped core. ]
[ Oct 14 00:03:37 Executing stop method (:kill). ]

Cause

This is a known issue.

### akd core is dumped because it triggered a segmentation fault:

# mdb -L mdb/usr/lib/mdb/proc/ core.akd.2167
mdb: failed to initialize /lib/libc_db.so.1: libthread_db call failed unexpectedly
mdb: warning: debugger will only be able to examine raw LWPs
Loading modules: [ libumem.so.1 libak.so.1mdb: ld.so.1: mdb: fatal: relocation error: file mdb/usr/lib/mdb/proc//libc.so: symbol mdb_object_iter: referenced symbol not found
libsysevent.so.1 libnvpair.so.1 libtopo.so.1 libavl.so.1 libuutil.so.1 libcmdutils.so.1 libproc.so.1 nas.so ld.so.1 ]
> ::status
debugging core file of akd (32-bit) from u1eis04nas46
initial argv: /usr/lib/ak/akd
threading model: multi-threaded using native lwps
status: process terminated by SIGSEGV (Segmentation Fault)
>

### stacktrace that match this issue is:

> ::stack
libak.so.1`ak_stash_reload_atom+0x129(34205a94, f01be448, e561f690, f00fd3ce)
libak.so.1`ak_stash_resume_object+0xc5(34205a94, e561f780, 287, f0100193)
libak.so.1`ak_stash_teleport_fini+0x174(8d3d448, 3b814148, 1, f010031f)
libak.so.1`com_sun_ak_stash_teleportFini_svc+0x26(8d3d448, 3b814148, ffffffff, f00e12df)
libak.so.1`com_sun_ak_stash_teleportFini_svc_call+0x26(8d3d448, e561f810, e561fd20, feed508e)
libak.so.1`ak_xdr_svc_call+0xab(827cef0, 1f5f9848, f01c3f3c, e561fdb0)
libak.so.1`ak_xdr_rpc_svc+0x149(827cef0, 1f5f9848, b338ec0, 50, e561fe4c, 1)
libak.so.1`ak_peer_svc_xdr+0x67(80f0c08, 1f5f98d8, 1f5f9848, 6, b338ec0, 50)
libak.so.1`ak_peer_rpc_svc+0x89(80f0c08, 1f5f98d8, 6, b338ec0, 50, ea02208)
libak.so.1`ak_rpc_svc_peer_process+0x38(80f0c08, 1f5f98d8, 6, b338ec0, 50, ea02208)
libak.so.1`ak_rpc_svc+0xea(80f0c08, 1f5f98d8, b338d48, ea02208, 0)
libak.so.1`ak_peer_conn_listener+0xfb(1f5f9848, 0, e561ffc8, f0133b55)
libak.so.1`ak_thread_start+0x7b(9629b08, fef60000, e561ffe8, feeddcde)
libc.so.1`_thrp_setup+0x9b(f4a09340)
libc.so.1`_lwp_start(f4a09340, 0, 0, 0, 0, 0)
>

Solution

Please open a SR to Oracle.

Please refer to BUG 15822394 "SUNBT7204428 stash classes needlessly molested by xmlrpc"

References

<BUG:15822394> - SUNBT7204428 STASH CLASSES NEEDLESSLY MOLESTED BY XMLRPC

Attachments

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