I've started seeing lots of crashes recently after having a stable gluster for a couple of years. I upgraded from 9.6 to 10.3 in hopes of more stability and got 3 crashes yesterday. All 3 seemed to have the rpc_transport_unref line near the top, not sure what's going on, but it's making the filesystem unusable: Crash1 Program terminated with signal SIGBUS, Bus error. #0 0x00007f0d66b4e7aa in __gf_free (free_ptr=0x7f0d58153678) at mem-pool.c:363 363 mem-pool.c: No such file or directory. [Current thread is 1 (Thread 0x7f0d53fff700 (LWP 1664975))] (gdb) where #0 0x00007f0d66b4e7aa in __gf_free (free_ptr=0x7f0d58153678) at mem-pool.c:363 #1 __gf_free (free_ptr=0x7f0d58153678) at mem-pool.c:332 #2 0x00007f0d66ad04fa in rpc_transport_unref () from /usr/lib/x86_64-linux-gnu/libgfrpc.so.0 #3 0x00007f0d66b7a71d in event_dispatch_epoll_handler (event=0x7f0d53ffe054, event_pool=0x556c97385518) at event-epoll.c:638 #4 event_dispatch_epoll_worker (data=0x7f0d54006928) at event-epoll.c:749 #5 0x00007f0d66a90ea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #6 0x00007f0d669b0a2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Crash2: Core was generated by /usr/sbin/glusterfsd Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000000000000000 in ?? () [Current thread is 1 (Thread 0x7f26fc1bc700 (LWP 1731799))] (gdb) where #0 0x0000000000000000 in ?? () #1 0x00007f270957f4a5 in rpc_transport_unref (this=this@entry=0x7f26f40a0ad8) at rpc-transport.c:501 #2 0x00007f26feec3f4b in server_process_event_upcall (this=this@entry=0x7f26f002b0f8, data=data@entry=0x7f26fc1b9a70) at server.c:1499 #3 0x00007f26feec4964 in server_notify (this=0x7f26f002b0f8, event=19, data=0x7f26fc1b9a70) at server.c:1620 #4 0x00007f27095cc244 in xlator_notify (xl=0x7f26f002b0f8, event=19, data=0x7f26fc1b9a70) at xlator.c:711 #5 0x00007f270965df2b in default_notify (this=0x7f26f0028fd8, event=<optimized out>, data=0x7f26fc1b9a70) at defaults.c:3414 #6 0x00007f26fef95b09 in ?? () from /usr/lib/x86_64-linux-gnu/glusterfs/10.3/xlator/debug/io-stats.so #7 0x00007f27095cc244 in xlator_notify (xl=0x7f26f0028fd8, event=19, data=0x7f26fc1b9a70) at xlator.c:711 #8 0x00007f270965df2b in default_notify (this=this@entry=0x7f26f00272c8, event=event@entry=19, data=data@entry=0x7f26fc1b9a70) at defaults.c:3414 #9 0x00007f26fefc27ce in notify (this=0x7f26f00272c8, event=19, data=0x7f26fc1b9a70) at quota.c:5017 #10 0x00007f27095cc244 in xlator_notify (xl=0x7f26f00272c8, event=19, data=0x7f26fc1b9a70) at xlator.c:711 #11 0x00007f270965df2b in default_notify (this=this@entry=0x7f26f0025548, event=event@entry=19, data=data@entry=0x7f26fc1b9a70) at defaults.c:3414 #12 0x00007f26fefe47b1 in notify (this=0x7f26f0025548, event=19, data=0x7f26fc1b9a70) at index.c:2664 #13 0x00007f27095cc244 in xlator_notify (xl=0x7f26f0025548, event=19, data=0x7f26fc1b9a70) at xlator.c:711 #14 0x00007f270965df2b in default_notify (this=this@entry=0x7f26f00239e8, event=event@entry=19, data=data@entry=0x7f26fc1b9a70) at defaults.c:3414 #15 0x00007f26feff68c0 in notify (this=0x7f26f00239e8, event=19, data=0x7f26fc1b9a70) at barrier.c:516 #16 0x00007f27095cc244 in xlator_notify (xl=0x7f26f00239e8, event=19, data=0x7f26fc1b9a70) at xlator.c:711 #17 0x00007f270965df2b in default_notify (this=0x7f26f0021878, event=<optimized out>, data=0x7f26fc1b9a70) at defaults.c:3414 #18 0x00007f27095cc244 in xlator_notify (xl=0x7f26f0021878, event=19, data=0x7f26fc1b9a70) at xlator.c:711 #19 0x00007f270965df2b in default_notify (this=0x7f26f001fe28, event=<optimized out>, data=0x7f26fc1b9a70) at defaults.c:3414 #20 0x00007f27095cc244 in xlator_notify (xl=0x7f26f001fe28, event=19, data=0x7f26fc1b9a70) at xlator.c:711 #21 0x00007f270965df2b in default_notify (this=this@entry=0x7f26f001e428, event=event@entry=19, data=data@entry=0x7f26fc1b9a70) at defaults.c:3414 #22 0x00007f2704033efd in notify (this=0x7f26f001e428, event=19, data=0x7f26fc1b9a70) at io-threads.c:1339 #23 0x00007f27095cc244 in xlator_notify (xl=0x7f26f001e428, event=19, data=0x7f26fc1b9a70) at xlator.c:711 #24 0x00007f270965df2b in default_notify (this=this@entry=0x7f26f001c8c8, event=event@entry=19, data=data@entry=0x7f26fc1b9a70) at defaults.c:3414 #25 0x00007f270404ccc1 in notify (event=<optimized out>, data=0x7f26fc1b9a70, this=0x7f26f001c8c8) at upcall.c:2368 #26 notify (this=0x7f26f001c8c8, event=<optimized out>, data=0x7f26fc1b9a70) at upcall.c:2355 #27 0x00007f270404daa4 in upcall_client_cache_invalidate (this=this@entry=0x7f26f001c8c8, gfid=gfid@entry=0x7f26f82dad34 "y-\300b\261;H6\221\306\003\031\307\306", <incomplete sequence \342>, up_client_entry=up_client_entry@entry=0x7f2680327d48, flags=flags@entry=24, stbuf=stbuf@entry=0x7f26fc1ba0d0, p_stbuf=p_stbuf@entry=0x0, oldp_stbuf=0x0, xattr=0x0, now=1670297728) at upcall-internal.c:632 #28 0x00007f270405233c in upcall_cache_invalidate (frame=0x7f2684be2738, this=0x7f26f001c8c8, client=0x7f26f022e078, inode=<optimized out>, flags=24, stbuf=0x7f26fc1ba0d0, p_stbuf=0x0, oldp_stbuf=0x0, xattr=0x0) at upcall-internal.c:566 #29 0x00007f2704041835 in upcall_cache_invalidate (xattr=0x0, oldp_stbuf=0x0, p_stbuf=0x0, stbuf=0x7f26fc1ba0d0, flags=24, inode=<optimized out>, client=<optimized out>, this=<optimized out>, frame=0x7f2684be2738) at upcall.c:91 #30 up_writev_cbk (frame=frame@entry=0x7f2684be2738, cookie=<optimized out>, this=<optimized out>, op_ret=op_ret@entry=125683, op_errno=op_errno@entry=0, prebuf=prebuf@entry=0x7f26fc1ba170, postbuf=0x7f26fc1ba0d0, xdata=0x7f2684c1fe18) at upcall.c:98 #31 0x00007f27040618c5 in leases_writev_cbk (frame=frame@entry=0x7f2684ff74f8, cookie=<optimized out>, this=<optimized out>, op_ret=op_ret@entry=125683, op_errno=op_errno@entry=0, prebuf=prebuf@entry=0x7f26fc1ba170, postbuf=0x7f26fc1ba0d0, xdata=0x7f2684c1fe18) at leases.c:97 #32 0x00007f27040a3bb2 in pl_writev_cbk (frame=frame@entry=0x7f2684fc9a88, cookie=<optimized out>, this=<optimized out>, op_ret=op_ret@entry=125683, op_errno=op_errno@entry=0, prebuf=prebuf@entry=0x7f26fc1ba170, postbuf=0x7f26fc1ba0d0, xdata=0x7f2684c1fe18) at posix.c:2063 #33 0x00007f2709649aa5 in default_writev_cbk (frame=0x7f2685108e48, cookie=<optimized out>, this=<optimized out>, op_ret=125683, op_errno=0, prebuf=0x7f26fc1ba170, postbuf=0x7f26fc1ba0d0, xdata=0x7f2684c1fe18) at defaults.c:1192 #34 0x00007f270410cc3f in changelog_writev_cbk (frame=0x7f26849d2eb8, cookie=<optimized out>, this=<optimized out>, op_ret=125683, op_errno=0, prebuf=0x7f26fc1ba170, postbuf=0x7f26fc1ba0d0, xdata=0x7f2684c1fe18) at changelog.c:1736 #35 0x00007f27041b0498 in posix_writev (frame=<optimized out>, this=<optimized out>, fd=<optimized out>, vector=0x7f26e07400a8, count=1, offset=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at posix-inode-fd-ops.c:2162 #36 0x00007f2709658762 in default_writev (frame=frame@entry=0x7f2685c4cc88, this=<optimized out>, fd=fd@entry=0x7f26e1607f68, vector=vector@entry=0x7f26e07400a8, count=count@entry=1, off=off@entry=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at defaults.c:2550 #37 0x00007f27041155be in changelog_writev (frame=0x7f26849d2eb8, this=0x7f26f0010808, fd=fd@entry=0x7f26e1607f68, vector=vector@entry=0x7f26e07400a8, count=count@entry=1, offset=offset@entry=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at changelog.c:1763 #38 0x00007f27040f4aa0 in br_stub_writev (frame=0x7f2685108e48, this=0x7f26f0012738, fd=0x7f26e1607f68, vector=0x7f26e07400a8, count=1, offset=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at bit-rot-stub.c:2112 #39 0x00007f2709658762 in default_writev (frame=frame@entry=0x7f2685108e48, this=<optimized out>, fd=fd@entry=0x7f26e1607f68, vector=vector@entry=0x7f26e07400a8, count=count@entry=1, off=off@entry=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at defaults.c:2550 #40 0x00007f27040a564f in pl_writev (frame=0x7f2684fc9a88, this=0x7f26f0015ca8, fd=0x7f26e1607f68, vector=0x7f26e07400a8, count=1, offset=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at posix.c:2412 #41 0x00007f2704088ae1 in worm_writev (frame=0x7f2684fc9a88, this=<optimized out>, fd=0x7f26e1607f68, vector=0x7f26e07400a8, count=1, offset=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at worm.c:429 #42 0x00007f270407cfa7 in ro_writev (frame=0x7f2684fc9a88, this=<optimized out>, fd=fd@entry=0x7f26e1607f68, vector=vector@entry=0x7f26e07400a8, count=count@entry=1, off=off@entry=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at read-only-common.c:374 #43 0x00007f2704064d76 in leases_writev (frame=frame@entry=0x7f2684ff74f8, this=0x7f26f001ae48, fd=fd@entry=0x7f26e1607f68, vector=vector@entry=0x7f26e07400a8, count=count@entry=1, off=off@entry=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at leases.c:132 #44 0x00007f27040462f0 in up_writev (frame=frame@entry=0x7f2684be2738, this=0x7f26f001c8c8, fd=fd@entry=0x7f26e1607f68, vector=vector@entry=0x7f26e07400a8, count=count@entry=1, off=off@entry=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at upcall.c:124 #45 0x00007f2709652253 in default_writev_resume (frame=0x7f26e098c378, this=0x7f26f001e428, fd=0x7f26e1607f68, vector=0x7f26e07400a8, count=1, off=6112485950, flags=32769, iobref=0x7f26e81e5808, xdata=0x7f26e1e84278) at defaults.c:1831 #46 0x00007f27095e58a8 in call_resume_wind (stub=<optimized out>) at call-stub.c:1919 #47 0x00007f27095ff465 in call_resume (stub=stub@entry=0x7f26e0055368) at call-stub.c:2387 #48 0x00007f2704032d98 in iot_worker (data=0x7f26f0043b58) at io-threads.c:232 #49 0x00007f270953fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #50 0x00007f270945fa2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 crash3: Core was generated by /usr/sbin/glusterfsd Program terminated with signal SIGABRT, Aborted. #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. [Current thread is 1 (Thread 0x7f74bc6f4700 (LWP 1480543))] (gdb) where #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 #1 0x00007f74d9123537 in __GI_abort () at abort.c:79 #2 0x00007f74d917c768 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f74d929a3a5 "%s\n") at ../sysdeps/posix/libc_fatal.c:155 #3 0x00007f74d9183a5a in malloc_printerr (str=str@entry=0x7f74d929c748 "double free or corruption (fasttop)") at malloc.c:5347 #4 0x00007f74d9184d55 in _int_free (av=0x7f74c8000020, p=0x7f74c813abe0, have_lock=0) at malloc.c:4266 #5 0x00007f74d931d4fa in rpc_transport_unref () from /usr/lib/x86_64-linux-gnu/libgfrpc.so.0 #6 0x00007f74cec62f4b in server_process_event_upcall (this=this@entry=0x7f74c802ae28, data=data@entry=0x7f74bc6f1a70) at server.c:1499 #7 0x00007f74cec63964 in server_notify (this=0x7f74c802ae28, event=19, data=0x7f74bc6f1a70) at server.c:1620 #8 0x00007f74d936a244 in xlator_notify (xl=0x7f74c802ae28, event=19, data=0x7f74bc6f1a70) at xlator.c:711 #9 0x00007f74d93fbf2b in default_notify (this=0x7f74c8028d08, event=<optimized out>, data=0x7f74bc6f1a70) at defaults.c:3414 #10 0x00007f74ced34b09 in ?? () from /usr/lib/x86_64-linux-gnu/glusterfs/10.3/xlator/debug/io-stats.so #11 0x00007f74d936a244 in xlator_notify (xl=0x7f74c8028d08, event=19, data=0x7f74bc6f1a70) at xlator.c:711 #12 0x00007f74d93fbf2b in default_notify (this=this@entry=0x7f74c8026ff8, event=event@entry=19, data=data@entry=0x7f74bc6f1a70) at defaults.c:3414 #13 0x00007f74ced617ce in notify (this=0x7f74c8026ff8, event=19, data=0x7f74bc6f1a70) at quota.c:5017 #14 0x00007f74d936a244 in xlator_notify (xl=0x7f74c8026ff8, event=19, data=0x7f74bc6f1a70) at xlator.c:711 #15 0x00007f74d93fbf2b in default_notify (this=this@entry=0x7f74c8025278, event=event@entry=19, data=data@entry=0x7f74bc6f1a70) at defaults.c:3414 #16 0x00007f74ced837b1 in notify (this=0x7f74c8025278, event=19, data=0x7f74bc6f1a70) at index.c:2664 #17 0x00007f74d936a244 in xlator_notify (xl=0x7f74c8025278, event=19, data=0x7f74bc6f1a70) at xlator.c:711 #18 0x00007f74d93fbf2b in default_notify (this=this@entry=0x7f74c8023718, event=event@entry=19, data=data@entry=0x7f74bc6f1a70) at defaults.c:3414 #19 0x00007f74ced958c0 in notify (this=0x7f74c8023718, event=19, data=0x7f74bc6f1a70) at barrier.c:516 #20 0x00007f74d936a244 in xlator_notify (xl=0x7f74c8023718, event=19, data=0x7f74bc6f1a70) at xlator.c:711 #21 0x00007f74d93fbf2b in default_notify (this=0x7f74c80215a8, event=<optimized out>, data=0x7f74bc6f1a70) at defaults.c:3414 #22 0x00007f74d936a244 in xlator_notify (xl=0x7f74c80215a8, event=19, data=0x7f74bc6f1a70) at xlator.c:711 #23 0x00007f74d93fbf2b in default_notify (this=0x7f74c801fb58, event=<optimized out>, data=0x7f74bc6f1a70) at defaults.c:3414 #24 0x00007f74d936a244 in xlator_notify (xl=0x7f74c801fb58, event=19, data=0x7f74bc6f1a70) at xlator.c:711 #25 0x00007f74d93fbf2b in default_notify (this=this@entry=0x7f74c801e158, event=event@entry=19, data=data@entry=0x7f74bc6f1a70) at defaults.c:3414 #26 0x00007f74cedc9efd in notify (this=0x7f74c801e158, event=19, data=0x7f74bc6f1a70) at io-threads.c:1339 #27 0x00007f74d936a244 in xlator_notify (xl=0x7f74c801e158, event=19, data=0x7f74bc6f1a70) at xlator.c:711 #28 0x00007f74d93fbf2b in default_notify (this=this@entry=0x7f74c801c5f8, event=event@entry=19, data=data@entry=0x7f74bc6f1a70) at defaults.c:3414 #29 0x00007f74cede2cc1 in notify (event=<optimized out>, data=0x7f74bc6f1a70, this=0x7f74c801c5f8) at upcall.c:2368 #30 notify (this=0x7f74c801c5f8, event=<optimized out>, data=0x7f74bc6f1a70) at upcall.c:2355 #31 0x00007f74cede3aa4 in upcall_client_cache_invalidate (this=this@entry=0x7f74c801c5f8, gfid=gfid@entry=0x7f74b1932c34 "\232\301!!\225nA\016\263\360g\335P\273q]", up_client_entry=up_client_entry@entry=0x7f74b5831eb8, flags=flags@entry=24, stbuf=stbuf@entry=0x7f74bc6f20d0, p_stbuf=p_stbuf@entry=0x0, oldp_stbuf=0x0, xattr=0x0, now=1670267716) at upcall-internal.c:632 #32 0x00007f74cede833c in upcall_cache_invalidate (frame=0x7f7448e09e08, this=0x7f74c801c5f8, client=0x7f74c0044978, inode=<optimized out>, flags=24, stbuf=0x7f74bc6f20d0, p_stbuf=0x0, oldp_stbuf=0x0, xattr=0x0) at upcall-internal.c:566 #33 0x00007f74cedd7835 in upcall_cache_invalidate (xattr=0x0, oldp_stbuf=0x0, p_stbuf=0x0, stbuf=0x7f74bc6f20d0, flags=24, inode=<optimized out>, client=<optimized out>, this=<optimized out>, frame=0x7f7448e09e08) at upcall.c:91 #34 up_writev_cbk (frame=frame@entry=0x7f7448e09e08, cookie=<optimized out>, this=<optimized out>, op_ret=op_ret@entry=131072, op_errno=op_errno@entry=0, prebuf=prebuf@entry=0x7f74bc6f2170, postbuf=0x7f74bc6f20d0, xdata=0x7f7448e0c318) at upcall.c:98 #35 0x00007f74cedf78c5 in leases_writev_cbk (frame=frame@entry=0x7f7448e1a498, cookie=<optimized out>, this=<optimized out>, op_ret=op_ret@entry=131072, op_errno=op_errno@entry=0, prebuf=prebuf@entry=0x7f74bc6f2170, postbuf=0x7f74bc6f20d0, xdata=0x7f7448e0c318) at leases.c:97 #36 0x00007f74cee39bb2 in pl_writev_cbk (frame=frame@entry=0x7f7448e1a828, cookie=<optimized out>, this=<optimized out>, op_ret=op_ret@entry=131072, op_errno=op_errno@entry=0, prebuf=prebuf@entry=0x7f74bc6f2170, postbuf=0x7f74bc6f20d0, xdata=0x7f7448e0c318) at posix.c:2063 #37 0x00007f74d93e7aa5 in default_writev_cbk (frame=0x7f7448e091b8, cookie=<optimized out>, this=<optimized out>, op_ret=131072, op_errno=0, prebuf=0x7f74bc6f2170, postbuf=0x7f74bc6f20d0, xdata=0x7f7448e0c318) at defaults.c:1192 #38 0x00007f74ceea2c3f in changelog_writev_cbk (frame=0x7f7448e0e5f8, cookie=<optimized out>, this=<optimized out>, op_ret=131072, op_errno=0, prebuf=0x7f74bc6f2170, postbuf=0x7f74bc6f20d0, xdata=0x7f7448e0c318) at changelog.c:1736 #39 0x00007f74cef3c498 in posix_writev (frame=<optimized out>, this=<optimized out>, fd=<optimized out>, vector=0x7f74951a1458, count=1, offset=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at posix-inode-fd-ops.c:2162 #40 0x00007f74d93f6762 in default_writev (frame=frame@entry=0x7f7448e0e768, this=<optimized out>, fd=fd@entry=0x7f74b17974a8, vector=vector@entry=0x7f74951a1458, count=count@entry=1, off=off@entry=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at defaults.c:2550 #41 0x00007f74ceeab5be in changelog_writev (frame=0x7f7448e0e5f8, this=0x7f74c8010538, fd=fd@entry=0x7f74b17974a8, vector=vector@entry=0x7f74951a1458, count=count@entry=1, offset=offset@entry=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at changelog.c:1763 #42 0x00007f74cee8aaa0 in br_stub_writev (frame=0x7f7448e091b8, this=0x7f74c8012468, fd=0x7f74b17974a8, vector=0x7f74951a1458, count=1, offset=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at bit-rot-stub.c:2112 #43 0x00007f74d93f6762 in default_writev (frame=frame@entry=0x7f7448e091b8, this=<optimized out>, fd=fd@entry=0x7f74b17974a8, vector=vector@entry=0x7f74951a1458, count=count@entry=1, off=off@entry=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at defaults.c:2550 #44 0x00007f74cee3b64f in pl_writev (frame=0x7f7448e1a828, this=0x7f74c80159d8, fd=0x7f74b17974a8, vector=0x7f74951a1458, count=1, offset=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at posix.c:2412 #45 0x00007f74cee1eae1 in worm_writev (frame=0x7f7448e1a828, this=<optimized out>, fd=0x7f74b17974a8, vector=0x7f74951a1458, count=1, offset=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at worm.c:429 #46 0x00007f74cee12fa7 in ro_writev (frame=0x7f7448e1a828, this=<optimized out>, fd=fd@entry=0x7f74b17974a8, vector=vector@entry=0x7f74951a1458, count=count@entry=1, off=off@entry=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at read-only-common.c:374 #47 0x00007f74cedfad76 in leases_writev (frame=frame@entry=0x7f7448e1a498, this=0x7f74c801ab78, fd=fd@entry=0x7f74b17974a8, vector=vector@entry=0x7f74951a1458, count=count@entry=1, off=off@entry=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at leases.c:132 #48 0x00007f74ceddc2f0 in up_writev (frame=frame@entry=0x7f7448e09e08, this=0x7f74c801c5f8, fd=fd@entry=0x7f74b17974a8, vector=vector@entry=0x7f74951a1458, count=count@entry=1, off=off@entry=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at upcall.c:124 #49 0x00007f74d93f0253 in default_writev_resume (frame=0x7f749542cdd8, this=0x7f74c801e158, fd=0x7f74b17974a8, vector=0x7f74951a1458, count=1, off=3770941440, flags=32770, iobref=0x7f74c002a938, xdata=0x7f749543be98) at defaults.c:1831 #50 0x00007f74d93838a8 in call_resume_wind (stub=<optimized out>) at call-stub.c:1919 #51 0x00007f74d939d465 in call_resume (stub=stub@entry=0x7f749543ebf8) at call-stub.c:2387 #52 0x00007f74cedc8d98 in iot_worker (data=0x7f74c8043888) at io-threads.c:232 #53 0x00007f74d92ddea7 in start_thread (arg=<optimized out>) at pthread_create.c:477 #54 0x00007f74d91fda2f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 ________ Community Meeting Calendar: Schedule - Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC 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