[Gluster-users] Glusterd proccess hangs on reboot

Sun Sep 3 18:55:06 UTC 2017

i usually change event threads to 4. But those logs are from a default
installation.

On Sun, Sep 3, 2017 at 9:52 PM, Ben Turner <bturner at redhat.com> wrote:
> ----- Original Message -----
>> From: "Ben Turner" <bturner at redhat.com>
>> To: "Serkan Çoban" <cobanserkan at gmail.com>
>> Cc: "Gluster Users" <gluster-users at gluster.org>
>> Sent: Sunday, September 3, 2017 2:30:31 PM
>> Subject: Re: [Gluster-users] Glusterd proccess hangs on reboot
>>
>> ----- Original Message -----
>> > From: "Milind Changire" <mchangir at redhat.com>
>> > To: "Serkan Çoban" <cobanserkan at gmail.com>
>> > Cc: "Gluster Users" <gluster-users at gluster.org>
>> > Sent: Saturday, September 2, 2017 11:44:40 PM
>> > Subject: Re: [Gluster-users] Glusterd proccess hangs on reboot
>> >
>> > No worries Serkan,
>> > You can continue to use your 40 node clusters.
>> >
>> > The backtrace has resolved the function names and it should be sufficient
>> > to
>> > debug the issue.
>> > Thanks for letting us know.
>> >
>> > We'll post on this thread again to notify you about the findings.
>>
>> One of the things I find interesting is seeing:
>>
>>  #1  0x00007f928450099b in hooks_worker () from
>>
>> The "hooks" scripts are usually shell scripts that get run when volumes are
>> started / stopped / etc.  It may be worth looking into what hooks scripts
>> are getting run at shutdown and think about how one of them could hang up
>> the system.  This may be a red herring but I don't see much else going on in
>> the stack trace that I looked at.  The thread with the deepest stack is the
>> hooks worker one, all of the other look to be in some sort of wait / sleep /
>> listen state.
>
> Sorry the hooks call doesn't have the deepest stack, I didn't see the other thread below it.
>
> In the logs I see:
>
> [2017-08-22 10:53:39.267860] I [socket.c:2426:socket_event_handler] 0-transport: EPOLLERR - disconnecting now
>
> You mentioned changing event threads?  Even threads controls the number of epoll listener threads, what did you change it to?  IIRC 2 is the default value.  This may be some sort of race condition?  Just my $0.02.
>
> -b
>
>>
>> -b
>>
>> >
>> >
>> >
>> > On Sat, Sep 2, 2017 at 2:42 PM, Serkan Çoban < cobanserkan at gmail.com >
>> > wrote:
>> >
>> >
>> > Hi Milind,
>> >
>> > Anything new about the issue? Can you able to find the problem,
>> > anything else you need?
>> > I will continue with two clusters each 40 servers, so I will not be
>> > able to provide any further info for 80 servers.
>> >
>> > On Fri, Sep 1, 2017 at 10:30 AM, Serkan Çoban < cobanserkan at gmail.com >
>> > wrote:
>> > > Hi,
>> > > You can find pstack sampes here:
>> > > https://www.dropbox.com/s/6gw8b6tng8puiox/pstack_with_debuginfo.zip?dl=0
>> > >
>> > > Here is the first one:
>> > > Thread 8 (Thread 0x7f92879ae700 (LWP 78909)):
>> > > #0 0x0000003d99c0f00d in nanosleep () from /lib64/libpthread.so.0
>> > > #1 0x000000310fe37d57 in gf_timer_proc () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > > #3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6
>> > > Thread 7 (Thread 0x7f9286fad700 (LWP 78910)):
>> > > #0 0x0000003d99c0f585 in sigwait () from /lib64/libpthread.so.0
>> > > #1 0x000000000040643b in glusterfs_sigwaiter ()
>> > > #2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > > #3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6
>> > > Thread 6 (Thread 0x7f92865ac700 (LWP 78911)):
>> > > #0 0x0000003d998acc4d in nanosleep () from /lib64/libc.so.6
>> > > #1 0x0000003d998acac0 in sleep () from /lib64/libc.so.6
>> > > #2 0x000000310fe528fb in pool_sweeper () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > > #4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6
>> > > Thread 5 (Thread 0x7f9285bab700 (LWP 78912)):
>> > > #0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_2.3.2 () from
>> > > /lib64/libpthread.so.0
>> > > #1 0x000000310fe64afc in syncenv_task () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #2 0x000000310fe729f0 in syncenv_processor () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > > #4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6
>> > > Thread 4 (Thread 0x7f92851aa700 (LWP 78913)):
>> > > #0 0x0000003d99c0ba5e in pthread_cond_timedwait@@GLIBC_2.3.2 () from
>> > > /lib64/libpthread.so.0
>> > > #1 0x000000310fe64afc in syncenv_task () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #2 0x000000310fe729f0 in syncenv_processor () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #3 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > > #4 0x0000003d998e8bbd in clone () from /lib64/libc.so.6
>> > > Thread 3 (Thread 0x7f9282ecc700 (LWP 78915)):
>> > > #0 0x0000003d99c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from
>> > > /lib64/libpthread.so.0
>> > > #1 0x00007f928450099b in hooks_worker () from
>> > > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #2 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > > #3 0x0000003d998e8bbd in clone () from /lib64/libc.so.6
>> > > Thread 2 (Thread 0x7f92824cb700 (LWP 78916)):
>> > > #0 0x0000003d9992867a in __strcmp_sse42 () from /lib64/libc.so.6
>> > > #1 0x000000310fe2244a in dict_lookup_common () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #2 0x000000310fe2433d in dict_set_lk () from /usr/lib64/libglusterfs.so.0
>> > > #3 0x000000310fe245f5 in dict_set () from /usr/lib64/libglusterfs.so.0
>> > > #4 0x000000310fe2524c in dict_set_str () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #5 0x00007f928453a8c4 in gd_add_brick_snap_details_to_dict () from
>> > > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #6 0x00007f928447b0df in glusterd_add_volume_to_dict () from
>> > > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #7 0x00007f928447b47c in glusterd_add_volumes_to_export_dict () from
>> > > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #8 0x00007f9284491edf in glusterd_rpc_friend_add () from
>> > > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #9 0x00007f92844528f7 in glusterd_ac_friend_add () from
>> > > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #10 0x00007f9284450bb9 in glusterd_friend_sm () from
>> > > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #11 0x00007f92844ac89a in __glusterd_mgmt_hndsk_version_ack_cbk ()
>> > > from /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #12 0x00007f92844923ee in glusterd_big_locked_cbk () from
>> > > /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > > #13 0x000000311020fad5 in rpc_clnt_handle_reply () from
>> > > /usr/lib64/libgfrpc.so.0
>> > > #14 0x0000003110210c85 in rpc_clnt_notify () from
>> > > /usr/lib64/libgfrpc.so.0
>> > > #15 0x000000311020bd68 in rpc_transport_notify () from
>> > > /usr/lib64/libgfrpc.so.0
>> > > #16 0x00007f9283492ccd in socket_event_poll_in () from
>> > > /usr/lib64/glusterfs/3.10.5/rpc-transport/socket.so
>> > > #17 0x00007f9283493ffe in socket_event_handler () from
>> > > /usr/lib64/glusterfs/3.10.5/rpc-transport/socket.so
>> > > #18 0x000000310fe87806 in event_dispatch_epoll_worker () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #19 0x0000003d99c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > > #20 0x0000003d998e8bbd in clone () from /lib64/libc.so.6
>> > > Thread 1 (Thread 0x7f928e4a4740 (LWP 78908)):
>> > > #0 0x0000003d99c082fd in pthread_join () from /lib64/libpthread.so.0
>> > > #1 0x000000310fe872d5 in event_dispatch_epoll () from
>> > > /usr/lib64/libglusterfs.so.0
>> > > #2 0x0000000000409020 in main ()
>> > >
>> > > On Fri, Sep 1, 2017 at 6:17 AM, Milind Changire < mchangir at redhat.com >
>> > > wrote:
>> > >> Serkan,
>> > >> I have gone through other mails in the mail thread as well but
>> > >> responding
>> > >> to
>> > >> this one specifically.
>> > >>
>> > >> Is this a source install or an RPM install ?
>> > >> If this is an RPM install, could you please install the
>> > >> glusterfs-debuginfo
>> > >> RPM and retry to capture the gdb backtrace.
>> > >>
>> > >> If this is a source install, then you'll need to configure the build
>> > >> with
>> > >> --enable-debug and reinstall and retry capturing the gdb backtrace.
>> > >>
>> > >> Having the debuginfo package or a debug build helps to resolve the
>> > >> function
>> > >> names and/or line numbers.
>> > >> --
>> > >> Milind
>> > >>
>> > >>
>> > >>
>> > >> On Thu, Aug 24, 2017 at 11:19 AM, Serkan Çoban < cobanserkan at gmail.com >
>> > >> wrote:
>> > >>>
>> > >>> Here you can find 10 stack trace samples from glusterd. I wait 10
>> > >>> seconds between each trace.
>> > >>> https://www.dropbox.com/s/9f36goq5xn3p1yt/glusterd_pstack.zip?dl=0
>> > >>>
>> > >>> Content of the first stack trace is here:
>> > >>>
>> > >>> Thread 8 (Thread 0x7f7a8cd4e700 (LWP 43069)):
>> > >>> #0 0x0000003aa5c0f00d in nanosleep () from /lib64/libpthread.so.0
>> > >>> #1 0x000000303f837d57 in ?? () from /usr/lib64/libglusterfs.so.0
>> > >>> #2 0x0000003aa5c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > >>> #3 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>> > >>> Thread 7 (Thread 0x7f7a8c34d700 (LWP 43070)):
>> > >>> #0 0x0000003aa5c0f585 in sigwait () from /lib64/libpthread.so.0
>> > >>> #1 0x000000000040643b in glusterfs_sigwaiter ()
>> > >>> #2 0x0000003aa5c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > >>> #3 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>> > >>> Thread 6 (Thread 0x7f7a8b94c700 (LWP 43071)):
>> > >>> #0 0x0000003aa58acc4d in nanosleep () from /lib64/libc.so.6
>> > >>> #1 0x0000003aa58acac0 in sleep () from /lib64/libc.so.6
>> > >>> #2 0x000000303f8528fb in pool_sweeper () from
>> > >>> /usr/lib64/libglusterfs.so.0
>> > >>> #3 0x0000003aa5c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > >>> #4 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>> > >>> Thread 5 (Thread 0x7f7a8af4b700 (LWP 43072)):
>> > >>> #0 0x0000003aa5c0ba5e in pthread_cond_timedwait@@GLIBC_2.3.2 () from
>> > >>> /lib64/libpthread.so.0
>> > >>> #1 0x000000303f864afc in syncenv_task () from
>> > >>> /usr/lib64/libglusterfs.so.0
>> > >>> #2 0x000000303f8729f0 in syncenv_processor () from
>> > >>> /usr/lib64/libglusterfs.so.0
>> > >>> #3 0x0000003aa5c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > >>> #4 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>> > >>> Thread 4 (Thread 0x7f7a8a54a700 (LWP 43073)):
>> > >>> #0 0x0000003aa5c0ba5e in pthread_cond_timedwait@@GLIBC_2.3.2 () from
>> > >>> /lib64/libpthread.so.0
>> > >>> #1 0x000000303f864afc in syncenv_task () from
>> > >>> /usr/lib64/libglusterfs.so.0
>> > >>> #2 0x000000303f8729f0 in syncenv_processor () from
>> > >>> /usr/lib64/libglusterfs.so.0
>> > >>> #3 0x0000003aa5c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > >>> #4 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>> > >>> Thread 3 (Thread 0x7f7a886ac700 (LWP 43075)):
>> > >>> #0 0x0000003aa5c0b68c in pthread_cond_wait@@GLIBC_2.3.2 () from
>> > >>> /lib64/libpthread.so.0
>> > >>> #1 0x00007f7a898a099b in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #2 0x0000003aa5c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > >>> #3 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>> > >>> Thread 2 (Thread 0x7f7a87cab700 (LWP 43076)):
>> > >>> #0 0x0000003aa5928692 in __strcmp_sse42 () from /lib64/libc.so.6
>> > >>> #1 0x000000303f82244a in ?? () from /usr/lib64/libglusterfs.so.0
>> > >>> #2 0x000000303f82433d in ?? () from /usr/lib64/libglusterfs.so.0
>> > >>> #3 0x000000303f8245f5 in dict_set () from /usr/lib64/libglusterfs.so.0
>> > >>> #4 0x000000303f82524c in dict_set_str () from
>> > >>> /usr/lib64/libglusterfs.so.0
>> > >>> #5 0x00007f7a898da7fd in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #6 0x00007f7a8981b0df in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #7 0x00007f7a8981b47c in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #8 0x00007f7a89831edf in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #9 0x00007f7a897f28f7 in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #10 0x00007f7a897f0bb9 in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #11 0x00007f7a8984c89a in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #12 0x00007f7a898323ee in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/xlator/mgmt/glusterd.so
>> > >>> #13 0x000000303f40fad5 in rpc_clnt_handle_reply () from
>> > >>> /usr/lib64/libgfrpc.so.0
>> > >>> #14 0x000000303f410c85 in rpc_clnt_notify () from
>> > >>> /usr/lib64/libgfrpc.so.0
>> > >>> #15 0x000000303f40bd68 in rpc_transport_notify () from
>> > >>> /usr/lib64/libgfrpc.so.0
>> > >>> #16 0x00007f7a88a6fccd in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/rpc-transport/socket.so
>> > >>> #17 0x00007f7a88a70ffe in ?? () from
>> > >>> /usr/lib64/glusterfs/3.10.5/rpc-transport/socket.so
>> > >>> #18 0x000000303f887806 in ?? () from /usr/lib64/libglusterfs.so.0
>> > >>> #19 0x0000003aa5c07aa1 in start_thread () from /lib64/libpthread.so.0
>> > >>> #20 0x0000003aa58e8bbd in clone () from /lib64/libc.so.6
>> > >>> Thread 1 (Thread 0x7f7a93844740 (LWP 43068)):
>> > >>> #0 0x0000003aa5c082fd in pthread_join () from /lib64/libpthread.so.0
>> > >>> #1 0x000000303f8872d5 in ?? () from /usr/lib64/libglusterfs.so.0
>> > >>> #2 0x0000000000409020 in main ()
>> > >>>
>> > >>> On Wed, Aug 23, 2017 at 8:46 PM, Atin Mukherjee < amukherj at redhat.com >
>> > >>> wrote:
>> > >>> > Could you be able to provide the pstack dump of the glusterd process?
>> > >>> >
>> > >>> > On Wed, 23 Aug 2017 at 20:22, Atin Mukherjee < amukherj at redhat.com >
>> > >>> > wrote:
>> > >>> >>
>> > >>> >> Not yet. Gaurav will be taking a look at it tomorrow.
>> > >>> >>
>> > >>> >> On Wed, 23 Aug 2017 at 20:14, Serkan Çoban < cobanserkan at gmail.com >
>> > >>> >> wrote:
>> > >>> >>>
>> > >>> >>> Hi Atin,
>> > >>> >>>
>> > >>> >>> Do you have time to check the logs?
>> > >>> >>>
>> > >>> >>> On Wed, Aug 23, 2017 at 10:02 AM, Serkan Çoban <
>> > >>> >>> cobanserkan at gmail.com >
>> > >>> >>> wrote:
>> > >>> >>> > Same thing happens with 3.12.rc0. This time perf top shows
>> > >>> >>> > hanging
>> > >>> >>> > in
>> > >>> >>> > libglusterfs.so and below is the glusterd logs, which are
>> > >>> >>> > different
>> > >>> >>> > from 3.10.
>> > >>> >>> > With 3.10.5, after 60-70 minutes CPU usage becomes normal and we
>> > >>> >>> > see
>> > >>> >>> > brick processes come online and system starts to answer commands
>> > >>> >>> > like
>> > >>> >>> > "gluster peer status"..
>> > >>> >>> >
>> > >>> >>> > [2017-08-23 06:46:02.150472] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.152181] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.152287] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.153503] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.153647] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.153866] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.153948] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154018] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154108] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154162] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154250] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154322] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154425] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154494] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154575] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154649] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154705] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154774] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154852] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154903] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.154995] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.155052] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:02.155141] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:27.074052] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> > [2017-08-23 06:46:27.077034] E [client_t.c:324:gf_client_ref]
>> > >>> >>> > (-->/usr/lib64/libgfrpc.so.0(rpcsvc_request_create+0xf1)
>> > >>> >>> > [0x7f5ae2c091b1]
>> > >>> >>> > -->/usr/lib64/libgfrpc.so.0(rpcsvc_request_init+0x9c)
>> > >>> >>> > [0x7f5ae2c0851c]
>> > >>> >>> > -->/usr/lib64/libglusterfs.so.0(gf_client_ref+0x1a9)
>> > >>> >>> > [0x7f5ae2ea3949] ) 0-client_t: null client [Invalid argument]
>> > >>> >>> >
>> > >>> >>> > On Tue, Aug 22, 2017 at 7:00 PM, Serkan Çoban
>> > >>> >>> > < cobanserkan at gmail.com >
>> > >>> >>> > wrote:
>> > >>> >>> >> I reboot multiple times, also I destroyed the gluster
>> > >>> >>> >> configuration
>> > >>> >>> >> and recreate multiple times. The behavior is same.
>> > >>> >>> >>
>> > >>> >>> >> On Tue, Aug 22, 2017 at 6:47 PM, Atin Mukherjee
>> > >>> >>> >> < amukherj at redhat.com >
>> > >>> >>> >> wrote:
>> > >>> >>> >>> My guess is there is a corruption in vol list or peer list
>> > >>> >>> >>> which
>> > >>> >>> >>> has
>> > >>> >>> >>> lead
>> > >>> >>> >>> glusterd to get into a infinite loop of traversing a
>> > >>> >>> >>> peer/volume
>> > >>> >>> >>> list
>> > >>> >>> >>> and
>> > >>> >>> >>> CPU to hog up. Again this is a guess and I've not got a chance
>> > >>> >>> >>> to
>> > >>> >>> >>> take a
>> > >>> >>> >>> detail look at the logs and the strace output.
>> > >>> >>> >>>
>> > >>> >>> >>> I believe if you get to reboot the node again the problem will
>> > >>> >>> >>> disappear.
>> > >>> >>> >>>
>> > >>> >>> >>> On Tue, 22 Aug 2017 at 20:07, Serkan Çoban <
>> > >>> >>> >>> cobanserkan at gmail.com >
>> > >>> >>> >>> wrote:
>> > >>> >>> >>>>
>> > >>> >>> >>>> As an addition perf top shows %80 libc-2.12.so __strcmp_sse42
>> > >>> >>> >>>> during
>> > >>> >>> >>>> glusterd %100 cpu usage
>> > >>> >>> >>>> Hope this helps...
>> > >>> >>> >>>>
>> > >>> >>> >>>> On Tue, Aug 22, 2017 at 2:41 PM, Serkan Çoban
>> > >>> >>> >>>> < cobanserkan at gmail.com >
>> > >>> >>> >>>> wrote:
>> > >>> >>> >>>> > Hi there,
>> > >>> >>> >>>> >
>> > >>> >>> >>>> > I have a strange problem.
>> > >>> >>> >>>> > Gluster version in 3.10.5, I am testing new servers. Gluster
>> > >>> >>> >>>> > configuration is 16+4 EC, I have three volumes, each have
>> > >>> >>> >>>> > 1600
>> > >>> >>> >>>> > bricks.
>> > >>> >>> >>>> > I can successfully create the cluster and volumes without
>> > >>> >>> >>>> > any
>> > >>> >>> >>>> > problems. I write data to cluster from 100 clients for 12
>> > >>> >>> >>>> > hours
>> > >>> >>> >>>> > again
>> > >>> >>> >>>> > no problem. But when I try to reboot a node, glusterd
>> > >>> >>> >>>> > process
>> > >>> >>> >>>> > hangs on
>> > >>> >>> >>>> > %100 CPU usage and seems to do nothing, no brick processes
>> > >>> >>> >>>> > come
>> > >>> >>> >>>> > online. You can find strace of glusterd process for 1
>> > >>> >>> >>>> > minutes
>> > >>> >>> >>>> > here:
>> > >>> >>> >>>> >
>> > >>> >>> >>>> >
>> > >>> >>> >>>> > https://www.dropbox.com/s/c7bxfnbqxze1yus/gluster_strace.out?dl=0
>> > >>> >>> >>>> >
>> > >>> >>> >>>> > Here is the glusterd logs:
>> > >>> >>> >>>> > https://www.dropbox.com/s/hkstb3mdeil9a5u/glusterd.log?dl=0
>> > >>> >>> >>>> >
>> > >>> >>> >>>> >
>> > >>> >>> >>>> > By the way, reboot of one server completes without problem
>> > >>> >>> >>>> > if
>> > >>> >>> >>>> > I
>> > >>> >>> >>>> > reboot
>> > >>> >>> >>>> > the servers before creating any volumes.
>> > >>> >>> >>>> _______________________________________________
>> > >>> >>> >>>> Gluster-users mailing list
>> > >>> >>> >>>> Gluster-users at gluster.org
>> > >>> >>> >>>> http://lists.gluster.org/mailman/listinfo/gluster-users
>> > >>> >>> >>>
>> > >>> >>> >>> --
>> > >>> >>> >>> - Atin (atinm)
>> > >>> >>
>> > >>> >> --
>> > >>> >> - Atin (atinm)
>> > >>> >
>> > >>> > --
>> > >>> > - Atin (atinm)
>> > >>> _______________________________________________
>> > >>> Gluster-users mailing list
>> > >>> Gluster-users at gluster.org
>> > >>> http://lists.gluster.org/mailman/listinfo/gluster-users
>> > >>
>> > >>
>> > >>
>> > >>
>> > >> --
>> > >> Milind
>> > >>
>> >
>> >
>> >
>> > --
>> > Milind
>> >
>> >
>> > _______________________________________________
>> > Gluster-users mailing list
>> > Gluster-users at gluster.org
>> > http://lists.gluster.org/mailman/listinfo/gluster-users
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://lists.gluster.org/mailman/listinfo/gluster-users