<div dir="ltr"><div dir="ltr"><div dir="ltr">Hi Artem,<div><br></div><div>Opened <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1671603">https://bugzilla.redhat.com/show_bug.cgi?id=1671603</a> (ie, as a clone of other bugs where recent discussions happened), and marked it as a blocker for glusterfs-5.4 release.</div><div><br></div><div>We already have fixes for log flooding - <a href="https://review.gluster.org/22128">https://review.gluster.org/22128</a>, and are the process of identifying and fixing the issue seen with crash.</div><div><br></div><div>Can you please tell if the crashes happened as soon as upgrade ? or was there any particular pattern you observed before the crash.</div><div><br></div><div>-Amar</div><div><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 31, 2019 at 11:40 PM Artem Russakovskii <<a href="mailto:archon810@gmail.com">archon810@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Within 24 hours after updating from rock solid 4.1 to 5.3, I already got a crash which others have mentioned in <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1313567" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1313567</a> and had to unmount, kill gluster, and remount:</div><div><br></div><div><br></div><div>[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]</div><div>[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]</div><div>[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]</div><div>[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]</div><div>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]</div><div>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]</div><div>pending frames:</div><div>frame : type(1) op(READ)</div><div>frame : type(1) op(OPEN)</div><div>frame : type(0) op(0)</div><div>patchset: git://<a href="http://git.gluster.org/glusterfs.git" target="_blank">git.gluster.org/glusterfs.git</a></div><div>signal received: 6</div><div>time of crash:</div><div>2019-01-31 09:38:04</div><div>configuration details:</div><div>argp 1</div><div>backtrace 1</div><div>dlfcn 1</div><div>libpthread 1</div><div>llistxattr 1</div><div>setfsid 1</div><div>spinlock 1</div><div>epoll.h 1</div><div>xattr.h 1</div><div>st_atim.tv_nsec 1</div><div>package-string: glusterfs 5.3</div><div>/usr/lib64/libglusterfs.so.0(+0x2764c)[0x7fccd706664c]</div><div>/usr/lib64/libglusterfs.so.0(gf_print_trace+0x306)[0x7fccd7070cb6]</div><div>/lib64/libc.so.6(+0x36160)[0x7fccd622d160]</div><div>/lib64/libc.so.6(gsignal+0x110)[0x7fccd622d0e0]</div><div>/lib64/libc.so.6(abort+0x151)[0x7fccd622e6c1]</div><div>/lib64/libc.so.6(+0x2e6fa)[0x7fccd62256fa]</div><div>/lib64/libc.so.6(+0x2e772)[0x7fccd6225772]</div><div>/lib64/libpthread.so.0(pthread_mutex_lock+0x228)[0x7fccd65bb0b8]</div><div>/usr/lib64/glusterfs/5.3/xlator/cluster/replicate.so(+0x32c4d)[0x7fcccbb01c4d]</div><div>/usr/lib64/glusterfs/5.3/xlator/protocol/client.so(+0x65778)[0x7fcccbdd1778]</div><div>/usr/lib64/libgfrpc.so.0(+0xe820)[0x7fccd6e31820]</div><div>/usr/lib64/libgfrpc.so.0(+0xeb6f)[0x7fccd6e31b6f]</div><div>/usr/lib64/libgfrpc.so.0(rpc_transport_notify+0x23)[0x7fccd6e2e063]</div><div>/usr/lib64/glusterfs/5.3/rpc-transport/socket.so(+0xa0b2)[0x7fccd0b7e0b2]</div><div>/usr/lib64/libglusterfs.so.0(+0x854c3)[0x7fccd70c44c3]</div><div>/lib64/libpthread.so.0(+0x7559)[0x7fccd65b8559]</div><div>/lib64/libc.so.6(clone+0x3f)[0x7fccd62ef81f]</div><div>---------</div><div><br></div><div>Do the pending patches fix the crash or only the repeated warnings? I'm running glusterfs on OpenSUSE 15.0 installed via <a href="http://download.opensuse.org/repositories/home:/glusterfs:/Leap15-5/openSUSE_Leap_15.0/" target="_blank">http://download.opensuse.org/repositories/home:/glusterfs:/Leap15-5/openSUSE_Leap_15.0/</a>, not too sure how to make it core dump.</div><div><br></div><div>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.</div><div><br></div><div>Thanks.</div><div><div dir="ltr" class="gmail-m_4728589735375555382gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><br>Sincerely,<br>Artem<br><br>--<br>Founder, <a href="http://www.androidpolice.com" target="_blank">Android Police</a>, <a href="http://www.apkmirror.com/" style="font-size:12.8px" target="_blank">APK Mirror</a><span style="font-size:12.8px">, Illogical Robot LLC</span></div><div dir="ltr"><a href="http://beerpla.net/" target="_blank">beerpla.net</a> | <a href="https://plus.google.com/+ArtemRussakovskii" target="_blank">+ArtemRussakovskii</a> | <a href="http://twitter.com/ArtemR" target="_blank">@ArtemR</a><br></div></div></div></div></div></div></div></div></div></div></div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jan 30, 2019 at 6:37 PM Raghavendra Gowdappa <<a href="mailto:rgowdapp@redhat.com" target="_blank">rgowdapp@redhat.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 31, 2019 at 2:14 AM Artem Russakovskii <<a href="mailto:archon810@gmail.com" target="_blank">archon810@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">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 <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1651246" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1651246</a>.</div></div></div></div></blockquote><div><br></div><div><a href="https://review.gluster.org/#/c/glusterfs/+/22046/" target="_blank">https://review.gluster.org/#/c/glusterfs/+/22046/</a> addresses this.</div><div> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">==> mnt-SITE_data1.log <==<br>[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]<br>==> mnt-SITE_data3.log <==<br>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]<br>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]<br>==> mnt-SITE_data1.log <==<br>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]<br>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]<br>[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<br>==> mnt-SITE_data3.log <==<br>[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<br>==> mnt-SITE_data1.log <==<br>[2019-01-30 20:38:22.762941] E [MSGID: 101191] [event-epoll.c:671:event_dispatch_epoll_worker] 2-epoll: Failed to dispatch handler </blockquote><div dir="ltr"><div><div dir="ltr" class="gmail-m_4728589735375555382gmail-m_-832810018525896981gmail-m_-8072525330423685591gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><br></div><div dir="ltr">I'm hoping raising the issue here on the mailing list may bring some additional eyeballs and get them both fixed.<br></div><div><br></div><div>Thanks.</div><div dir="ltr"><br>Sincerely,<br>Artem<br><br>--<br>Founder, <a href="http://www.androidpolice.com" target="_blank">Android Police</a>, <a href="http://www.apkmirror.com/" style="font-size:12.8px" target="_blank">APK Mirror</a><span style="font-size:12.8px">, Illogical Robot LLC</span></div><div dir="ltr"><a href="http://beerpla.net/" target="_blank">beerpla.net</a> | <a href="https://plus.google.com/+ArtemRussakovskii" target="_blank">+ArtemRussakovskii</a> | <a href="http://twitter.com/ArtemR" target="_blank">@ArtemR</a><br></div></div></div></div></div></div></div></div><div dir="ltr"><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jan 30, 2019 at 12:26 PM Artem Russakovskii <<a href="mailto:archon810@gmail.com" target="_blank">archon810@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>I found a similar issue here: <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1313567" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1313567</a>. There's a comment from 3 days ago from someone else with 5.3 who started seeing the spam.</div><div><br></div><div>Here's the command that repeats over and over:</div><div>[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]</div></div></div></div></blockquote></div></blockquote><div><br></div><div><a class="gmail_plusreply" id="gmail-m_4728589735375555382gmail-m_-832810018525896981plusReplyChip-0" href="mailto:mchangir@redhat.com" target="_blank">+Milind Changire</a> Can you check why this message is logged and send a fix?</div><div> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><br></div><div>Is there any fix for this issue?</div><div><br></div><div>Thanks.</div><div><div dir="ltr" class="gmail-m_4728589735375555382gmail-m_-832810018525896981gmail-m_-8072525330423685591gmail-m_3626885015457760579gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><br>Sincerely,<br>Artem<br><br>--<br>Founder, <a href="http://www.androidpolice.com" target="_blank">Android Police</a>, <a href="http://www.apkmirror.com/" style="font-size:12.8px" target="_blank">APK Mirror</a><span style="font-size:12.8px">, Illogical Robot LLC</span></div><div dir="ltr"><a href="http://beerpla.net/" target="_blank">beerpla.net</a> | <a href="https://plus.google.com/+ArtemRussakovskii" target="_blank">+ArtemRussakovskii</a> | <a href="http://twitter.com/ArtemR" target="_blank">@ArtemR</a><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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