[Gluster-users] Message repeated over and over after upgrade from 4.1 to 5.3: W [dict.c:761:dict_ref] (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329) [0x7fd966fcd329] -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5) [0x7fd9671deaf5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58) [0x7fd9731ea218] ) 2-dict: dict is NULL [Invalid argument]

Raghavendra Gowdappa rgowdapp at redhat.com
Tue Feb 12 03:32:04 UTC 2019 

On Mon, Feb 11, 2019 at 3:49 PM João Baúto <
joao.bauto at neuro.fchampalimaud.org> wrote:

> Although I don't have these error messages, I'm having fuse crashes as
> frequent as you. I have disabled write-behind and the mount has been
> running over the weekend with heavy usage and no issues.
>
> I can provide coredumps before disabling write-behind if needed. I opened
> a BZ report <https://bugzilla.redhat.com/show_bug.cgi?id=1671014> with
> the crashes that I was having.
>

I've created a bug <https://bugzilla.redhat.com/show_bug.cgi?id=1676356>
and marked it as a blocker for release-6. I've marked bz 1671014 as a
duplicate of this bug report on master. If you disagree about the bug you
filed being a duplicate, please reopen.


> *João Baúto*
> ---------------
>
> *Scientific Computing and Software Platform*
> Champalimaud Research
> Champalimaud Center for the Unknown
> Av. Brasília, Doca de Pedrouços
> 1400-038 Lisbon, Portugal
> fchampalimaud.org <https://www.fchampalimaud.org/>
>
>
> Artem Russakovskii <archon810 at gmail.com> escreveu no dia sábado,
> 9/02/2019 à(s) 22:18:
>
>> Alright. I've enabled core-dumping (hopefully), so now I'm waiting for
>> the next crash to see if it dumps a core for you guys to remotely debug.
>>
>> Then I can consider setting performance.write-behind to off and
>> monitoring for further crashes.
>>
>> Sincerely,
>> Artem
>>
>> --
>> Founder, Android Police <http://www.androidpolice.com>, APK Mirror
>> <http://www.apkmirror.com/>, Illogical Robot LLC
>> beerpla.net | +ArtemRussakovskii
>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>> <http://twitter.com/ArtemR>
>>
>>
>> On Fri, Feb 8, 2019 at 7:22 PM Raghavendra Gowdappa <rgowdapp at redhat.com>
>> wrote:
>>
>>>
>>>
>>> On Sat, Feb 9, 2019 at 12:53 AM Artem Russakovskii <archon810 at gmail.com>
>>> wrote:
>>>
>>>> Hi Nithya,
>>>>
>>>> I can try to disable write-behind as long as it doesn't heavily impact
>>>> performance for us. Which option is it exactly? I don't see it set in my
>>>> list of changed volume variables that I sent you guys earlier.
>>>>
>>>
>>> The option is performance.write-behind
>>>
>>>
>>>> Sincerely,
>>>> Artem
>>>>
>>>> --
>>>> Founder, Android Police <http://www.androidpolice.com>, APK Mirror
>>>> <http://www.apkmirror.com/>, Illogical Robot LLC
>>>> beerpla.net | +ArtemRussakovskii
>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>> <http://twitter.com/ArtemR>
>>>>
>>>>
>>>> On Fri, Feb 8, 2019 at 4:57 AM Nithya Balachandran <nbalacha at redhat.com>
>>>> wrote:
>>>>
>>>>> Hi Artem,
>>>>>
>>>>> We have found the cause of one crash. Unfortunately we have not
>>>>> managed to reproduce the one you reported so we don't know if it is the
>>>>> same cause.
>>>>>
>>>>> Can you disable write-behind on the volume and let us know if it
>>>>> solves the problem? If yes, it is likely to be the same issue.
>>>>>
>>>>>
>>>>> regards,
>>>>> Nithya
>>>>>
>>>>> On Fri, 8 Feb 2019 at 06:51, Artem Russakovskii <archon810 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Sorry to disappoint, but the crash just happened again, so
>>>>>> lru-limit=0 didn't help.
>>>>>>
>>>>>> Here's the snippet of the crash and the subsequent remount by monit.
>>>>>>
>>>>>>
>>>>>> [2019-02-08 01:13:05.854391] W [dict.c:761:dict_ref]
>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>> [0x7f4402b99329]
>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>> [0x7f4402daaaf5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>> [0x7f440b6b5218] ) 0-dict: dict is NULL [In
>>>>>> valid argument]
>>>>>> The message "I [MSGID: 108031]
>>>>>> [afr-common.c:2543:afr_local_discovery_cbk] 0-<SNIP>_data1-replicate-0:
>>>>>> selecting local read_child <SNIP>_data1-client-3" repeated 39 times between
>>>>>> [2019-02-08 01:11:18.043286] and [2019-02-08 01:13:07.915604]
>>>>>> The message "E [MSGID: 101191]
>>>>>> [event-epoll.c:671:event_dispatch_epoll_worker] 0-epoll: Failed to dispatch
>>>>>> handler" repeated 515 times between [2019-02-08 01:11:17.932515] and
>>>>>> [2019-02-08 01:13:09.311554]
>>>>>> pending frames:
>>>>>> frame : type(1) op(LOOKUP)
>>>>>> frame : type(0) op(0)
>>>>>> patchset: git://git.gluster.org/glusterfs.git
>>>>>> signal received: 6
>>>>>> time of crash:
>>>>>> 2019-02-08 01:13:09
>>>>>> configuration details:
>>>>>> argp 1
>>>>>> backtrace 1
>>>>>> dlfcn 1
>>>>>> libpthread 1
>>>>>> llistxattr 1
>>>>>> setfsid 1
>>>>>> spinlock 1
>>>>>> epoll.h 1
>>>>>> xattr.h 1
>>>>>> st_atim.tv_nsec 1
>>>>>> package-string: glusterfs 5.3
>>>>>> /usr/lib64/libglusterfs.so.0(+0x2764c)[0x7f440b6c064c]
>>>>>> /usr/lib64/libglusterfs.so.0(gf_print_trace+0x306)[0x7f440b6cacb6]
>>>>>> /lib64/libc.so.6(+0x36160)[0x7f440a887160]
>>>>>> /lib64/libc.so.6(gsignal+0x110)[0x7f440a8870e0]
>>>>>> /lib64/libc.so.6(abort+0x151)[0x7f440a8886c1]
>>>>>> /lib64/libc.so.6(+0x2e6fa)[0x7f440a87f6fa]
>>>>>> /lib64/libc.so.6(+0x2e772)[0x7f440a87f772]
>>>>>> /lib64/libpthread.so.0(pthread_mutex_lock+0x228)[0x7f440ac150b8]
>>>>>>
>>>>>> /usr/lib64/glusterfs/5.3/xlator/cluster/replicate.so(+0x5dc9d)[0x7f44036f8c9d]
>>>>>>
>>>>>> /usr/lib64/glusterfs/5.3/xlator/cluster/replicate.so(+0x70ba1)[0x7f440370bba1]
>>>>>>
>>>>>> /usr/lib64/glusterfs/5.3/xlator/protocol/client.so(+0x58f3f)[0x7f4403990f3f]
>>>>>> /usr/lib64/libgfrpc.so.0(+0xe820)[0x7f440b48b820]
>>>>>> /usr/lib64/libgfrpc.so.0(+0xeb6f)[0x7f440b48bb6f]
>>>>>> /usr/lib64/libgfrpc.so.0(rpc_transport_notify+0x23)[0x7f440b488063]
>>>>>>
>>>>>> /usr/lib64/glusterfs/5.3/rpc-transport/socket.so(+0xa0b2)[0x7f44050a80b2]
>>>>>> /usr/lib64/libglusterfs.so.0(+0x854c3)[0x7f440b71e4c3]
>>>>>> /lib64/libpthread.so.0(+0x7559)[0x7f440ac12559]
>>>>>> /lib64/libc.so.6(clone+0x3f)[0x7f440a94981f]
>>>>>> ---------
>>>>>> [2019-02-08 01:13:35.628478] I [MSGID: 100030]
>>>>>> [glusterfsd.c:2715:main] 0-/usr/sbin/glusterfs: Started running
>>>>>> /usr/sbin/glusterfs version 5.3 (args: /usr/sbin/glusterfs --lru-limit=0
>>>>>> --process-name fuse --volfile-server=localhost --volfile-id=/<SNIP>_data1
>>>>>> /mnt/<SNIP>_data1)
>>>>>> [2019-02-08 01:13:35.637830] I [MSGID: 101190]
>>>>>> [event-epoll.c:622:event_dispatch_epoll_worker] 0-epoll: Started thread
>>>>>> with index 1
>>>>>> [2019-02-08 01:13:35.651405] I [MSGID: 101190]
>>>>>> [event-epoll.c:622:event_dispatch_epoll_worker] 0-epoll: Started thread
>>>>>> with index 2
>>>>>> [2019-02-08 01:13:35.651628] I [MSGID: 101190]
>>>>>> [event-epoll.c:622:event_dispatch_epoll_worker] 0-epoll: Started thread
>>>>>> with index 3
>>>>>> [2019-02-08 01:13:35.651747] I [MSGID: 101190]
>>>>>> [event-epoll.c:622:event_dispatch_epoll_worker] 0-epoll: Started thread
>>>>>> with index 4
>>>>>> [2019-02-08 01:13:35.652575] I [MSGID: 114020] [client.c:2354:notify]
>>>>>> 0-<SNIP>_data1-client-0: parent translators are ready, attempting connect
>>>>>> on transport
>>>>>> [2019-02-08 01:13:35.652978] I [MSGID: 114020] [client.c:2354:notify]
>>>>>> 0-<SNIP>_data1-client-1: parent translators are ready, attempting connect
>>>>>> on transport
>>>>>> [2019-02-08 01:13:35.655197] I [MSGID: 114020] [client.c:2354:notify]
>>>>>> 0-<SNIP>_data1-client-2: parent translators are ready, attempting connect
>>>>>> on transport
>>>>>> [2019-02-08 01:13:35.655497] I [MSGID: 114020] [client.c:2354:notify]
>>>>>> 0-<SNIP>_data1-client-3: parent translators are ready, attempting connect
>>>>>> on transport
>>>>>> [2019-02-08 01:13:35.655527] I [rpc-clnt.c:2042:rpc_clnt_reconfig]
>>>>>> 0-<SNIP>_data1-client-0: changing port to 49153 (from 0)
>>>>>> Final graph:
>>>>>>
>>>>>>
>>>>>> Sincerely,
>>>>>> Artem
>>>>>>
>>>>>> --
>>>>>> Founder, Android Police <http://www.androidpolice.com>, APK Mirror
>>>>>> <http://www.apkmirror.com/>, Illogical Robot LLC
>>>>>> beerpla.net | +ArtemRussakovskii
>>>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>>>> <http://twitter.com/ArtemR>
>>>>>>
>>>>>>
>>>>>> On Thu, Feb 7, 2019 at 1:28 PM Artem Russakovskii <
>>>>>> archon810 at gmail.com> wrote:
>>>>>>
>>>>>>> I've added the lru-limit=0 parameter to the mounts, and I see it's
>>>>>>> taken effect correctly:
>>>>>>> "/usr/sbin/glusterfs --lru-limit=0 --process-name fuse
>>>>>>> --volfile-server=localhost --volfile-id=/<SNIP>  /mnt/<SNIP>"
>>>>>>>
>>>>>>> Let's see if it stops crashing or not.
>>>>>>>
>>>>>>> Sincerely,
>>>>>>> Artem
>>>>>>>
>>>>>>> --
>>>>>>> Founder, Android Police <http://www.androidpolice.com>, APK Mirror
>>>>>>> <http://www.apkmirror.com/>, Illogical Robot LLC
>>>>>>> beerpla.net | +ArtemRussakovskii
>>>>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>>>>> <http://twitter.com/ArtemR>
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Feb 6, 2019 at 10:48 AM Artem Russakovskii <
>>>>>>> archon810 at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi Nithya,
>>>>>>>>
>>>>>>>> Indeed, I upgraded from 4.1 to 5.3, at which point I started seeing
>>>>>>>> crashes, and no further releases have been made yet.
>>>>>>>>
>>>>>>>> volume info:
>>>>>>>> Type: Replicate
>>>>>>>> Volume ID: ****SNIP****
>>>>>>>> Status: Started
>>>>>>>> Snapshot Count: 0
>>>>>>>> Number of Bricks: 1 x 4 = 4
>>>>>>>> Transport-type: tcp
>>>>>>>> Bricks:
>>>>>>>> Brick1: ****SNIP****
>>>>>>>> Brick2: ****SNIP****
>>>>>>>> Brick3: ****SNIP****
>>>>>>>> Brick4: ****SNIP****
>>>>>>>> Options Reconfigured:
>>>>>>>> cluster.quorum-count: 1
>>>>>>>> cluster.quorum-type: fixed
>>>>>>>> network.ping-timeout: 5
>>>>>>>> network.remote-dio: enable
>>>>>>>> performance.rda-cache-limit: 256MB
>>>>>>>> performance.readdir-ahead: on
>>>>>>>> performance.parallel-readdir: on
>>>>>>>> network.inode-lru-limit: 500000
>>>>>>>> performance.md-cache-timeout: 600
>>>>>>>> performance.cache-invalidation: on
>>>>>>>> performance.stat-prefetch: on
>>>>>>>> features.cache-invalidation-timeout: 600
>>>>>>>> features.cache-invalidation: on
>>>>>>>> cluster.readdir-optimize: on
>>>>>>>> performance.io-thread-count: 32
>>>>>>>> server.event-threads: 4
>>>>>>>> client.event-threads: 4
>>>>>>>> performance.read-ahead: off
>>>>>>>> cluster.lookup-optimize: on
>>>>>>>> performance.cache-size: 1GB
>>>>>>>> cluster.self-heal-daemon: enable
>>>>>>>> transport.address-family: inet
>>>>>>>> nfs.disable: on
>>>>>>>> performance.client-io-threads: on
>>>>>>>> cluster.granular-entry-heal: enable
>>>>>>>> cluster.data-self-heal-algorithm: full
>>>>>>>>
>>>>>>>> Sincerely,
>>>>>>>> Artem
>>>>>>>>
>>>>>>>> --
>>>>>>>> Founder, Android Police <http://www.androidpolice.com>, APK Mirror
>>>>>>>> <http://www.apkmirror.com/>, Illogical Robot LLC
>>>>>>>> beerpla.net | +ArtemRussakovskii
>>>>>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>>>>>> <http://twitter.com/ArtemR>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Wed, Feb 6, 2019 at 12:20 AM Nithya Balachandran <
>>>>>>>> nbalacha at redhat.com> wrote:
>>>>>>>>
>>>>>>>>> Hi Artem,
>>>>>>>>>
>>>>>>>>> Do you still see the crashes with 5.3? If yes, please try mount
>>>>>>>>> the volume using the mount option lru-limit=0 and see if that helps. We are
>>>>>>>>> looking into the crashes and will update when have a fix.
>>>>>>>>>
>>>>>>>>> Also, please provide the gluster volume info for the volume in
>>>>>>>>> question.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> regards,
>>>>>>>>> Nithya
>>>>>>>>>
>>>>>>>>> On Tue, 5 Feb 2019 at 05:31, Artem Russakovskii <
>>>>>>>>> archon810 at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> The fuse crash happened two more times, but this time monit
>>>>>>>>>> helped recover within 1 minute, so it's a great workaround for now.
>>>>>>>>>>
>>>>>>>>>> What's odd is that the crashes are only happening on one of 4
>>>>>>>>>> servers, and I don't know why.
>>>>>>>>>>
>>>>>>>>>> Sincerely,
>>>>>>>>>> Artem
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Founder, Android Police <http://www.androidpolice.com>, APK
>>>>>>>>>> Mirror <http://www.apkmirror.com/>, Illogical Robot LLC
>>>>>>>>>> beerpla.net | +ArtemRussakovskii
>>>>>>>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>>>>>>>> <http://twitter.com/ArtemR>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Sat, Feb 2, 2019 at 12:14 PM Artem Russakovskii <
>>>>>>>>>> archon810 at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> The fuse crash happened again yesterday, to another volume. Are
>>>>>>>>>>> there any mount options that could help mitigate this?
>>>>>>>>>>>
>>>>>>>>>>> In the meantime, I set up a monit (https://mmonit.com/monit/)
>>>>>>>>>>> task to watch and restart the mount, which works and recovers the mount
>>>>>>>>>>> point within a minute. Not ideal, but a temporary workaround.
>>>>>>>>>>>
>>>>>>>>>>> By the way, the way to reproduce this "Transport endpoint is not
>>>>>>>>>>> connected" condition for testing purposes is to kill -9 the right
>>>>>>>>>>> "glusterfs --process-name fuse" process.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> monit check:
>>>>>>>>>>> check filesystem glusterfs_data1 with path /mnt/glusterfs_data1
>>>>>>>>>>>   start program  = "/bin/mount  /mnt/glusterfs_data1"
>>>>>>>>>>>   stop program  = "/bin/umount /mnt/glusterfs_data1"
>>>>>>>>>>>   if space usage > 90% for 5 times within 15 cycles
>>>>>>>>>>>     then alert else if succeeded for 10 cycles then alert
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> stack trace:
>>>>>>>>>>> [2019-02-01 23:22:00.312894] W [dict.c:761:dict_ref]
>>>>>>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>>>>>>> [0x7fa0249e4329]
>>>>>>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>>>>>>> [0x7fa024bf5af5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>>>>>>> [0x7fa02cf5b218] ) 0-dict: dict is NULL [Invalid argument]
>>>>>>>>>>> [2019-02-01 23:22:00.314051] W [dict.c:761:dict_ref]
>>>>>>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>>>>>>> [0x7fa0249e4329]
>>>>>>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>>>>>>> [0x7fa024bf5af5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>>>>>>> [0x7fa02cf5b218] ) 0-dict: dict is NULL [Invalid argument]
>>>>>>>>>>> The message "E [MSGID: 101191]
>>>>>>>>>>> [event-epoll.c:671:event_dispatch_epoll_worker] 0-epoll: Failed to dispatch
>>>>>>>>>>> handler" repeated 26 times between [2019-02-01 23:21:20.857333] and
>>>>>>>>>>> [2019-02-01 23:21:56.164427]
>>>>>>>>>>> The message "I [MSGID: 108031]
>>>>>>>>>>> [afr-common.c:2543:afr_local_discovery_cbk] 0-SITE_data3-replicate-0:
>>>>>>>>>>> selecting local read_child SITE_data3-client-3" repeated 27 times between
>>>>>>>>>>> [2019-02-01 23:21:11.142467] and [2019-02-01 23:22:03.474036]
>>>>>>>>>>> pending frames:
>>>>>>>>>>> frame : type(1) op(LOOKUP)
>>>>>>>>>>> frame : type(0) op(0)
>>>>>>>>>>> patchset: git://git.gluster.org/glusterfs.git
>>>>>>>>>>> signal received: 6
>>>>>>>>>>> time of crash:
>>>>>>>>>>> 2019-02-01 23:22:03
>>>>>>>>>>> configuration details:
>>>>>>>>>>> argp 1
>>>>>>>>>>> backtrace 1
>>>>>>>>>>> dlfcn 1
>>>>>>>>>>> libpthread 1
>>>>>>>>>>> llistxattr 1
>>>>>>>>>>> setfsid 1
>>>>>>>>>>> spinlock 1
>>>>>>>>>>> epoll.h 1
>>>>>>>>>>> xattr.h 1
>>>>>>>>>>> st_atim.tv_nsec 1
>>>>>>>>>>> package-string: glusterfs 5.3
>>>>>>>>>>> /usr/lib64/libglusterfs.so.0(+0x2764c)[0x7fa02cf6664c]
>>>>>>>>>>>
>>>>>>>>>>> /usr/lib64/libglusterfs.so.0(gf_print_trace+0x306)[0x7fa02cf70cb6]
>>>>>>>>>>> /lib64/libc.so.6(+0x36160)[0x7fa02c12d160]
>>>>>>>>>>> /lib64/libc.so.6(gsignal+0x110)[0x7fa02c12d0e0]
>>>>>>>>>>> /lib64/libc.so.6(abort+0x151)[0x7fa02c12e6c1]
>>>>>>>>>>> /lib64/libc.so.6(+0x2e6fa)[0x7fa02c1256fa]
>>>>>>>>>>> /lib64/libc.so.6(+0x2e772)[0x7fa02c125772]
>>>>>>>>>>> /lib64/libpthread.so.0(pthread_mutex_lock+0x228)[0x7fa02c4bb0b8]
>>>>>>>>>>>
>>>>>>>>>>> /usr/lib64/glusterfs/5.3/xlator/cluster/replicate.so(+0x5dc9d)[0x7fa025543c9d]
>>>>>>>>>>>
>>>>>>>>>>> /usr/lib64/glusterfs/5.3/xlator/cluster/replicate.so(+0x70ba1)[0x7fa025556ba1]
>>>>>>>>>>>
>>>>>>>>>>> /usr/lib64/glusterfs/5.3/xlator/protocol/client.so(+0x58f3f)[0x7fa0257dbf3f]
>>>>>>>>>>> /usr/lib64/libgfrpc.so.0(+0xe820)[0x7fa02cd31820]
>>>>>>>>>>> /usr/lib64/libgfrpc.so.0(+0xeb6f)[0x7fa02cd31b6f]
>>>>>>>>>>>
>>>>>>>>>>> /usr/lib64/libgfrpc.so.0(rpc_transport_notify+0x23)[0x7fa02cd2e063]
>>>>>>>>>>>
>>>>>>>>>>> /usr/lib64/glusterfs/5.3/rpc-transport/socket.so(+0xa0b2)[0x7fa02694e0b2]
>>>>>>>>>>> /usr/lib64/libglusterfs.so.0(+0x854c3)[0x7fa02cfc44c3]
>>>>>>>>>>> /lib64/libpthread.so.0(+0x7559)[0x7fa02c4b8559]
>>>>>>>>>>> /lib64/libc.so.6(clone+0x3f)[0x7fa02c1ef81f]
>>>>>>>>>>>
>>>>>>>>>>> Sincerely,
>>>>>>>>>>> Artem
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> Founder, Android Police <http://www.androidpolice.com>, APK
>>>>>>>>>>> Mirror <http://www.apkmirror.com/>, Illogical Robot LLC
>>>>>>>>>>> beerpla.net | +ArtemRussakovskii
>>>>>>>>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>>>>>>>>> <http://twitter.com/ArtemR>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Fri, Feb 1, 2019 at 9:03 AM Artem Russakovskii <
>>>>>>>>>>> archon810 at gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Hi,
>>>>>>>>>>>>
>>>>>>>>>>>> The first (and so far only) crash happened at 2am the next day
>>>>>>>>>>>> after we upgraded, on only one of four servers and only to one of two
>>>>>>>>>>>> mounts.
>>>>>>>>>>>>
>>>>>>>>>>>> I have no idea what caused it, but yeah, we do have a pretty
>>>>>>>>>>>> busy site (apkmirror.com), and it caused a disruption for any
>>>>>>>>>>>> uploads or downloads from that server until I woke up and fixed the mount.
>>>>>>>>>>>>
>>>>>>>>>>>> I wish I could be more helpful but all I have is that stack
>>>>>>>>>>>> trace.
>>>>>>>>>>>>
>>>>>>>>>>>> I'm glad it's a blocker and will hopefully be resolved soon.
>>>>>>>>>>>>
>>>>>>>>>>>> On Thu, Jan 31, 2019, 7:26 PM Amar Tumballi Suryanarayan <
>>>>>>>>>>>> atumball at redhat.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Hi Artem,
>>>>>>>>>>>>>
>>>>>>>>>>>>> Opened https://bugzilla.redhat.com/show_bug.cgi?id=1671603
>>>>>>>>>>>>> (ie, as a clone of other bugs where recent discussions happened), and
>>>>>>>>>>>>> marked it as a blocker for glusterfs-5.4 release.
>>>>>>>>>>>>>
>>>>>>>>>>>>> We already have fixes for log flooding -
>>>>>>>>>>>>> https://review.gluster.org/22128, and are the process of
>>>>>>>>>>>>> identifying and fixing the issue seen with crash.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Can you please tell if the crashes happened as soon as upgrade
>>>>>>>>>>>>> ? or was there any particular pattern you observed before the crash.
>>>>>>>>>>>>>
>>>>>>>>>>>>> -Amar
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Thu, Jan 31, 2019 at 11:40 PM Artem Russakovskii <
>>>>>>>>>>>>> archon810 at gmail.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Within 24 hours after updating from rock solid 4.1 to 5.3, I
>>>>>>>>>>>>>> already got a crash which others have mentioned in
>>>>>>>>>>>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1313567 and had
>>>>>>>>>>>>>> to unmount, kill gluster, and remount:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> [2019-01-31 09:38:04.317604] W [dict.c:761:dict_ref]
>>>>>>>>>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>>>>>>>>>> [0x7fcccafcd329]
>>>>>>>>>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>>>>>>>>>> [0x7fcccb1deaf5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>>>>>>>>>> [0x7fccd705b218] ) 2-dict: dict is NULL [Invalid argument]
>>>>>>>>>>>>>> [2019-01-31 09:38:04.319308] W [dict.c:761:dict_ref]
>>>>>>>>>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>>>>>>>>>> [0x7fcccafcd329]
>>>>>>>>>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>>>>>>>>>> [0x7fcccb1deaf5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>>>>>>>>>> [0x7fccd705b218] ) 2-dict: dict is NULL [Invalid argument]
>>>>>>>>>>>>>> [2019-01-31 09:38:04.320047] W [dict.c:761:dict_ref]
>>>>>>>>>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>>>>>>>>>> [0x7fcccafcd329]
>>>>>>>>>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>>>>>>>>>> [0x7fcccb1deaf5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>>>>>>>>>> [0x7fccd705b218] ) 2-dict: dict is NULL [Invalid argument]
>>>>>>>>>>>>>> [2019-01-31 09:38:04.320677] W [dict.c:761:dict_ref]
>>>>>>>>>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>>>>>>>>>> [0x7fcccafcd329]
>>>>>>>>>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>>>>>>>>>> [0x7fcccb1deaf5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>>>>>>>>>> [0x7fccd705b218] ) 2-dict: dict is NULL [Invalid argument]
>>>>>>>>>>>>>> The message "I [MSGID: 108031]
>>>>>>>>>>>>>> [afr-common.c:2543:afr_local_discovery_cbk] 2-SITE_data1-replicate-0:
>>>>>>>>>>>>>> selecting local read_child SITE_data1-client-3" repeated 5 times between
>>>>>>>>>>>>>> [2019-01-31 09:37:54.751905] and [2019-01-31 09:38:03.958061]
>>>>>>>>>>>>>> The message "E [MSGID: 101191]
>>>>>>>>>>>>>> [event-epoll.c:671:event_dispatch_epoll_worker] 2-epoll: Failed to dispatch
>>>>>>>>>>>>>> handler" repeated 72 times between [2019-01-31 09:37:53.746741] and
>>>>>>>>>>>>>> [2019-01-31 09:38:04.696993]
>>>>>>>>>>>>>> pending frames:
>>>>>>>>>>>>>> frame : type(1) op(READ)
>>>>>>>>>>>>>> frame : type(1) op(OPEN)
>>>>>>>>>>>>>> frame : type(0) op(0)
>>>>>>>>>>>>>> patchset: git://git.gluster.org/glusterfs.git
>>>>>>>>>>>>>> signal received: 6
>>>>>>>>>>>>>> time of crash:
>>>>>>>>>>>>>> 2019-01-31 09:38:04
>>>>>>>>>>>>>> configuration details:
>>>>>>>>>>>>>> argp 1
>>>>>>>>>>>>>> backtrace 1
>>>>>>>>>>>>>> dlfcn 1
>>>>>>>>>>>>>> libpthread 1
>>>>>>>>>>>>>> llistxattr 1
>>>>>>>>>>>>>> setfsid 1
>>>>>>>>>>>>>> spinlock 1
>>>>>>>>>>>>>> epoll.h 1
>>>>>>>>>>>>>> xattr.h 1
>>>>>>>>>>>>>> st_atim.tv_nsec 1
>>>>>>>>>>>>>> package-string: glusterfs 5.3
>>>>>>>>>>>>>> /usr/lib64/libglusterfs.so.0(+0x2764c)[0x7fccd706664c]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> /usr/lib64/libglusterfs.so.0(gf_print_trace+0x306)[0x7fccd7070cb6]
>>>>>>>>>>>>>> /lib64/libc.so.6(+0x36160)[0x7fccd622d160]
>>>>>>>>>>>>>> /lib64/libc.so.6(gsignal+0x110)[0x7fccd622d0e0]
>>>>>>>>>>>>>> /lib64/libc.so.6(abort+0x151)[0x7fccd622e6c1]
>>>>>>>>>>>>>> /lib64/libc.so.6(+0x2e6fa)[0x7fccd62256fa]
>>>>>>>>>>>>>> /lib64/libc.so.6(+0x2e772)[0x7fccd6225772]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> /lib64/libpthread.so.0(pthread_mutex_lock+0x228)[0x7fccd65bb0b8]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> /usr/lib64/glusterfs/5.3/xlator/cluster/replicate.so(+0x32c4d)[0x7fcccbb01c4d]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> /usr/lib64/glusterfs/5.3/xlator/protocol/client.so(+0x65778)[0x7fcccbdd1778]
>>>>>>>>>>>>>> /usr/lib64/libgfrpc.so.0(+0xe820)[0x7fccd6e31820]
>>>>>>>>>>>>>> /usr/lib64/libgfrpc.so.0(+0xeb6f)[0x7fccd6e31b6f]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> /usr/lib64/libgfrpc.so.0(rpc_transport_notify+0x23)[0x7fccd6e2e063]
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> /usr/lib64/glusterfs/5.3/rpc-transport/socket.so(+0xa0b2)[0x7fccd0b7e0b2]
>>>>>>>>>>>>>> /usr/lib64/libglusterfs.so.0(+0x854c3)[0x7fccd70c44c3]
>>>>>>>>>>>>>> /lib64/libpthread.so.0(+0x7559)[0x7fccd65b8559]
>>>>>>>>>>>>>> /lib64/libc.so.6(clone+0x3f)[0x7fccd62ef81f]
>>>>>>>>>>>>>> ---------
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Do the pending patches fix the crash or only the repeated
>>>>>>>>>>>>>> warnings? I'm running glusterfs on OpenSUSE 15.0 installed via
>>>>>>>>>>>>>> http://download.opensuse.org/repositories/home:/glusterfs:/Leap15-5/openSUSE_Leap_15.0/,
>>>>>>>>>>>>>> not too sure how to make it core dump.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> If it's not fixed by the patches above, has anyone already
>>>>>>>>>>>>>> opened a ticket for the crashes that I can join and monitor? This is going
>>>>>>>>>>>>>> to create a massive problem for us since production systems are crashing.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Sincerely,
>>>>>>>>>>>>>> Artem
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> --
>>>>>>>>>>>>>> Founder, Android Police <http://www.androidpolice.com>, APK
>>>>>>>>>>>>>> Mirror <http://www.apkmirror.com/>, Illogical Robot LLC
>>>>>>>>>>>>>> beerpla.net | +ArtemRussakovskii
>>>>>>>>>>>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>>>>>>>>>>>> <http://twitter.com/ArtemR>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Wed, Jan 30, 2019 at 6:37 PM Raghavendra Gowdappa <
>>>>>>>>>>>>>> rgowdapp at redhat.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Thu, Jan 31, 2019 at 2:14 AM Artem Russakovskii <
>>>>>>>>>>>>>>> archon810 at gmail.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Also, not sure if related or not, but I got a ton of these
>>>>>>>>>>>>>>>> "Failed to dispatch handler" in my logs as well. Many people have been
>>>>>>>>>>>>>>>> commenting about this issue here
>>>>>>>>>>>>>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1651246.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> https://review.gluster.org/#/c/glusterfs/+/22046/ addresses
>>>>>>>>>>>>>>> this.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> ==> mnt-SITE_data1.log <==
>>>>>>>>>>>>>>>>> [2019-01-30 20:38:20.783713] W [dict.c:761:dict_ref]
>>>>>>>>>>>>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>>>>>>>>>>>>> [0x7fd966fcd329]
>>>>>>>>>>>>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>>>>>>>>>>>>> [0x7fd9671deaf5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>>>>>>>>>>>>> [0x7fd9731ea218] ) 2-dict: dict is NULL [Invalid argument]
>>>>>>>>>>>>>>>>> ==> mnt-SITE_data3.log <==
>>>>>>>>>>>>>>>>> The message "E [MSGID: 101191]
>>>>>>>>>>>>>>>>> [event-epoll.c:671:event_dispatch_epoll_worker] 2-epoll: Failed to dispatch
>>>>>>>>>>>>>>>>> handler" repeated 413 times between [2019-01-30 20:36:23.881090] and
>>>>>>>>>>>>>>>>> [2019-01-30 20:38:20.015593]
>>>>>>>>>>>>>>>>> The message "I [MSGID: 108031]
>>>>>>>>>>>>>>>>> [afr-common.c:2543:afr_local_discovery_cbk] 2-SITE_data3-replicate-0:
>>>>>>>>>>>>>>>>> selecting local read_child SITE_data3-client-0" repeated 42 times between
>>>>>>>>>>>>>>>>> [2019-01-30 20:36:23.290287] and [2019-01-30 20:38:20.280306]
>>>>>>>>>>>>>>>>> ==> mnt-SITE_data1.log <==
>>>>>>>>>>>>>>>>> The message "I [MSGID: 108031]
>>>>>>>>>>>>>>>>> [afr-common.c:2543:afr_local_discovery_cbk] 2-SITE_data1-replicate-0:
>>>>>>>>>>>>>>>>> selecting local read_child SITE_data1-client-0" repeated 50 times between
>>>>>>>>>>>>>>>>> [2019-01-30 20:36:22.247367] and [2019-01-30 20:38:19.459789]
>>>>>>>>>>>>>>>>> The message "E [MSGID: 101191]
>>>>>>>>>>>>>>>>> [event-epoll.c:671:event_dispatch_epoll_worker] 2-epoll: Failed to dispatch
>>>>>>>>>>>>>>>>> handler" repeated 2654 times between [2019-01-30 20:36:22.667327] and
>>>>>>>>>>>>>>>>> [2019-01-30 20:38:20.546355]
>>>>>>>>>>>>>>>>> [2019-01-30 20:38:21.492319] I [MSGID: 108031]
>>>>>>>>>>>>>>>>> [afr-common.c:2543:afr_local_discovery_cbk] 2-SITE_data1-replicate-0:
>>>>>>>>>>>>>>>>> selecting local read_child SITE_data1-client-0
>>>>>>>>>>>>>>>>> ==> mnt-SITE_data3.log <==
>>>>>>>>>>>>>>>>> [2019-01-30 20:38:22.349689] I [MSGID: 108031]
>>>>>>>>>>>>>>>>> [afr-common.c:2543:afr_local_discovery_cbk] 2-SITE_data3-replicate-0:
>>>>>>>>>>>>>>>>> selecting local read_child SITE_data3-client-0
>>>>>>>>>>>>>>>>> ==> mnt-SITE_data1.log <==
>>>>>>>>>>>>>>>>> [2019-01-30 20:38:22.762941] E [MSGID: 101191]
>>>>>>>>>>>>>>>>> [event-epoll.c:671:event_dispatch_epoll_worker] 2-epoll: Failed to dispatch
>>>>>>>>>>>>>>>>> handler
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I'm hoping raising the issue here on the mailing list may
>>>>>>>>>>>>>>>> bring some additional eyeballs and get them both fixed.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Sincerely,
>>>>>>>>>>>>>>>> Artem
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>> Founder, Android Police <http://www.androidpolice.com>, APK
>>>>>>>>>>>>>>>> Mirror <http://www.apkmirror.com/>, Illogical Robot LLC
>>>>>>>>>>>>>>>> beerpla.net | +ArtemRussakovskii
>>>>>>>>>>>>>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>>>>>>>>>>>>>> <http://twitter.com/ArtemR>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Wed, Jan 30, 2019 at 12:26 PM Artem Russakovskii <
>>>>>>>>>>>>>>>> archon810 at gmail.com> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> I found a similar issue here:
>>>>>>>>>>>>>>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1313567.
>>>>>>>>>>>>>>>>> There's a comment from 3 days ago from someone else with 5.3 who started
>>>>>>>>>>>>>>>>> seeing the spam.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Here's the command that repeats over and over:
>>>>>>>>>>>>>>>>> [2019-01-30 20:23:24.481581] W [dict.c:761:dict_ref]
>>>>>>>>>>>>>>>>> (-->/usr/lib64/glusterfs/5.3/xlator/performance/quick-read.so(+0x7329)
>>>>>>>>>>>>>>>>> [0x7fd966fcd329]
>>>>>>>>>>>>>>>>> -->/usr/lib64/glusterfs/5.3/xlator/performance/io-cache.so(+0xaaf5)
>>>>>>>>>>>>>>>>> [0x7fd9671deaf5] -->/usr/lib64/libglusterfs.so.0(dict_ref+0x58)
>>>>>>>>>>>>>>>>> [0x7fd9731ea218] ) 2-dict: dict is NULL [Invalid argument]
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> +Milind Changire <mchangir at redhat.com> Can you check why
>>>>>>>>>>>>>>> this message is logged and send a fix?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Is there any fix for this issue?
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Thanks.
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Sincerely,
>>>>>>>>>>>>>>>>> Artem
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>> Founder, Android Police <http://www.androidpolice.com>, APK
>>>>>>>>>>>>>>>>> Mirror <http://www.apkmirror.com/>, Illogical Robot LLC
>>>>>>>>>>>>>>>>> beerpla.net | +ArtemRussakovskii
>>>>>>>>>>>>>>>>> <https://plus.google.com/+ArtemRussakovskii> | @ArtemR
>>>>>>>>>>>>>>>>> <http://twitter.com/ArtemR>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>>>> Gluster-users mailing list
>>>>>>>>>>>>>>>> Gluster-users at gluster.org
>>>>>>>>>>>>>>>> https://lists.gluster.org/mailman/listinfo/gluster-users
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> Gluster-users mailing list
>>>>>>>>>>>>>> Gluster-users at gluster.org
>>>>>>>>>>>>>> https://lists.gluster.org/mailman/listinfo/gluster-users
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>> Amar Tumballi (amarts)
>>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>> Gluster-users mailing list
>>>>>>>>>> Gluster-users at gluster.org
>>>>>>>>>> https://lists.gluster.org/mailman/listinfo/gluster-users
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>> Gluster-users mailing list
>>>> Gluster-users at gluster.org
>>>> https://lists.gluster.org/mailman/listinfo/gluster-users
>>>
>>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> https://lists.gluster.org/mailman/listinfo/gluster-users
>
>
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