Re: Gluster samba panic?

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I actually had this problem with CentOS 7 and glusterfs 3.7.x

I downgraded to 3.6.x and the crashes stopped.

See https://bugzilla.redhat.com/show_bug.cgi?id=1234877

It may be the same issue.

I am still in the old samba-vfs-glusterfs-4.1.12-23.el7_1.x86_64 and
glusterfs-3.6.6-1.el7.x86_64 on that machine and see no crashes.

Diego

On Wed, Feb 10, 2016 at 2:19 PM, Glomski, Patrick
<patrick.glomski@xxxxxxxxxxxxx> wrote:
> 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 if this issue has a bug or is fixed in a newer version of the glusterfs vfs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
>
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