Gluster samba panic?

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I am running an SL7.2 machine with the samba version 4.2.4 hosted at download.gluster.org. I use the samba glusterfs virtual filesystem to connect to a 3.6.6 gluster array. Periodically (every hour or so when in use) smbd will panic, crash, and restart. Users don't seem to be complaining about it, but the fact that it keeps crashing is worrisome. Does anyone know if this issue has a bug or is fixed in a newer version of the glusterfs vfs plugin? I've attached an excerpt from /var/log/messages and a core dump.

# cat /etc/redhat-release; echo "samba: $(smbd --version)"; echo "vfs: $(rpm -qa | grep vfs-glusterfs)"

Scientific Linux release 7.2 (Nitrogen)
samba: Version 4.2.4
vfs: samba-vfs-glusterfs-4.2.4-6.el7.centos.x86_64

/var/log/messages panic
#######################
Feb 10 12:38:11 sb1 smbd[4880]: [2016/02/10 12:38:11.329296,  0] ../lib/util/fault.c:78(fault_report)
Feb 10 12:38:11 sb1 smbd[4880]:  ===============================================================
Feb 10 12:38:11 sb1 smbd[4880]: [2016/02/10 12:38:11.329342,  0] ../lib/util/fault.c:79(fault_report)
Feb 10 12:38:11 sb1 smbd[4880]:  INTERNAL ERROR: Signal 6 in pid 4880 (4.2.4)
Feb 10 12:38:11 sb1 smbd[4880]:  Please read the Trouble-Shooting section of the Samba HOWTO
Feb 10 12:38:11 sb1 smbd[4880]: [2016/02/10 12:38:11.329365,  0] ../lib/util/fault.c:81(fault_report)
Feb 10 12:38:11 sb1 smbd[4880]:  ===============================================================
Feb 10 12:38:11 sb1 smbd[4880]: [2016/02/10 12:38:11.329390,  0] ../source3/lib/util.c:788(smb_panic_s3)
Feb 10 12:38:11 sb1 smbd[4880]:  PANIC (pid 4880): internal error
Feb 10 12:38:11 sb1 smbd[4880]: [2016/02/10 12:38:11.329633,  0] ../source3/lib/util.c:899(log_stack_trace)
Feb 10 12:38:11 sb1 smbd[4880]:  BACKTRACE: 12 stack frames:
Feb 10 12:38:11 sb1 smbd[4880]:   #0 /lib64/libsmbconf.so.0(log_stack_trace+0x1a) [0x7f24d03ced5a]
Feb 10 12:38:11 sb1 smbd[4880]:   #1 /lib64/libsmbconf.so.0(smb_panic_s3+0x20) [0x7f24d03cee30]
Feb 10 12:38:11 sb1 smbd[4880]:   #2 /lib64/libsamba-util.so.0(smb_panic+0x2f) [0x7f24d221e87f]
Feb 10 12:38:11 sb1 smbd[4880]:   #3 /lib64/libsamba-util.so.0(+0x1aa96) [0x7f24d221ea96]
Feb 10 12:38:11 sb1 smbd[4880]:   #4 /lib64/libpthread.so.0(+0xf100) [0x7f24d2447100]
Feb 10 12:38:11 sb1 smbd[4880]:   #5 /lib64/libc.so.6(gsignal+0x37) [0x7f24cea7d5f7]
Feb 10 12:38:11 sb1 smbd[4880]:   #6 /lib64/libc.so.6(abort+0x148) [0x7f24cea7ece8]
Feb 10 12:38:11 sb1 smbd[4880]:   #7 /lib64/libc.so.6(+0x75317) [0x7f24ceabd317]
Feb 10 12:38:11 sb1 smbd[4880]:   #8 /lib64/libc.so.6(+0x7cfe1) [0x7f24ceac4fe1]
Feb 10 12:38:11 sb1 smbd[4880]:   #9 /lib64/libglusterfs.so.0(gf_timer_proc+0x251) [0x7f24b75cc961]
Feb 10 12:38:11 sb1 smbd[4880]:   #10 /lib64/libpthread.so.0(+0x7dc5) [0x7f24d243fdc5]
Feb 10 12:38:11 sb1 smbd[4880]:   #11 /lib64/libc.so.6(clone+0x6d) [0x7f24ceb3e21d]
Feb 10 12:38:11 sb1 smbd[4880]: [2016/02/10 12:38:11.330887,  0] ../source3/lib/dumpcore.c:318(dump_core)
Feb 10 12:38:11 sb1 smbd[4880]:  dumping core in /var/log/samba/cores/smbd
Feb 10 12:38:11 sb1 smbd[4880]:
Feb 10 12:38:11 sb1 abrt-server: Package 'samba' isn't signed with proper key
Feb 10 12:38:11 sb1 abrt-server: 'post-create' on '/var/spool/abrt/ccpp-2016-02-10-12:38:11-4880' exited with 1
Feb 10 12:38:11 sb1 abrt-server: Deleting problem directory '/var/spool/abrt/ccpp-2016-02-10-12:38:11-4880'

Thanks,
Patrick

Attachment: core.15707.xz
Description: application/xz

Attachment: msgs
Description: Binary data

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