Florian Pritz
2016-Jan-04 10:28 UTC
[BUG] 2.2.21 Panic: file imap-client.c: line 841 (client_check_command_hangs): assertion failed: (!have_wait_unfinished || unfinished_count > 0)
Hi, I'm seeing the following in my logs. Twice so far, no idea what caused it. I do however have the core dump if that is of any use.> Jan 4 11:14:11 karif dovecot[20876]: imap(username): Panic: file imap-client.c: line 841 (client_check_command_hangs): assertion failed: (!have_wait_unfinished || unfinished_count > 0) > Jan 4 11:14:11 karif dovecot[20876]: imap(username): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xa64ea) [0x7f6f99fa64ea] -> /usr/lib/dovecot/libdovecot.so.0(+0xa7a18) [0x7f6f99fa7a18] -> /usr/lib/dovecot/libdovecot.so.0(i_ > fatal+0) [0x7f6f99fa686d] -> dovecot/imap() [0x41dde6] -> dovecot/imap(client_continue_pending_input+0xd6) [0x41df50] -> dovecot/imap() [0x4122a9] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0xcd) [0x7f6f99fc3b01] -> /usr/lib/dovec > ot/libdovecot.so.0(io_loop_handler_run_internal+0x209) [0x7f6f99fc606e] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x24) [0x7f6f99fc3caa] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0xaf) [0x7f6f99fc3bf6] -> /usr/lib/dovec > ot/libdovecot.so.0(master_service_run+0x2e) [0x7f6f99f317af] -> dovecot/imap(main+0x2da) [0x430da2] -> /usr/lib/libc.so.6(__libc_start_main+0xf0) [0x7f6f99b7c610] -> dovecot/imap(_start+0x29) [0x40c639] > Jan 4 11:14:11 karif dovecot[20876]: imap(username): Fatal: master: service(imap): child 19463 killed with signal 6 (core dumped)In case it is easier to read, here's a gdb backtrace:> #0 0x00007f6f99b8f5f8 in raise () from /usr/lib/libc.so.6 > #1 0x00007f6f99b90a7a in abort () from /usr/lib/libc.so.6 > #2 0x00007f6f99fa6539 in default_fatal_finish (type=LOG_TYPE_PANIC, status=0) at failures.c:201 > #3 0x00007f6f99fa7a18 in i_internal_fatal_handler (ctx=0x7ffe660d4700, format=0x438a60 "file %s: line %d (%s): assertion failed: (%s)", args=0x7ffe660d4720) at failures.c:670 > #4 0x00007f6f99fa686d in i_panic (format=0x438a60 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:275 > #5 0x000000000041dde6 in client_check_command_hangs (client=0x2363450) at imap-client.c:841 > #6 0x000000000041df50 in client_continue_pending_input (client=0x2363450) at imap-client.c:884 > #7 0x00000000004122a9 in idle_client_input (ctx=0x23642a8) at cmd-idle.c:111 > #8 0x00007f6f99fc3b01 in io_loop_call_io (io=0x2374600) at ioloop.c:559 > #9 0x00007f6f99fc606e in io_loop_handler_run_internal (ioloop=0x232c740) at ioloop-epoll.c:220 > #10 0x00007f6f99fc3caa in io_loop_handler_run (ioloop=0x232c740) at ioloop.c:607 > #11 0x00007f6f99fc3bf6 in io_loop_run (ioloop=0x232c740) at ioloop.c:583 > #12 0x00007f6f99f317af in master_service_run (service=0x232c5e0, callback=0x430a35 <client_connected>) at master-service.c:640 > #13 0x0000000000430da2 in main (argc=1, argv=0x232c390) at main.c:442Florian -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 801 bytes Desc: OpenPGP digital signature URL: <http://dovecot.org/pipermail/dovecot/attachments/20160104/25bc521c/attachment-0001.sig>
Teemu Huovila
2016-Jan-04 10:54 UTC
[BUG] 2.2.21 Panic: file imap-client.c: line 841 (client_check_command_hangs): assertion failed: (!have_wait_unfinished || unfinished_count > 0)
On 04.01.2016 12:28, Florian Pritz wrote:> Hi, > > I'm seeing the following in my logs. Twice so far, no idea what caused > it. I do however have the core dump if that is of any use. > >> Jan 4 11:14:11 karif dovecot[20876]: imap(username): Panic: file imap-client.c: line 841 (client_check_command_hangs): assertion failed: (!have_wait_unfinished || unfinished_count > 0) >> Jan 4 11:14:11 karif dovecot[20876]: imap(username): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xa64ea) [0x7f6f99fa64ea] -> /usr/lib/dovecot/libdovecot.so.0(+0xa7a18) [0x7f6f99fa7a18] -> /usr/lib/dovecot/libdovecot.so.0(i_ >> fatal+0) [0x7f6f99fa686d] -> dovecot/imap() [0x41dde6] -> dovecot/imap(client_continue_pending_input+0xd6) [0x41df50] -> dovecot/imap() [0x4122a9] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0xcd) [0x7f6f99fc3b01] -> /usr/lib/dovec >> ot/libdovecot.so.0(io_loop_handler_run_internal+0x209) [0x7f6f99fc606e] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x24) [0x7f6f99fc3caa] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0xaf) [0x7f6f99fc3bf6] -> /usr/lib/dovec >> ot/libdovecot.so.0(master_service_run+0x2e) [0x7f6f99f317af] -> dovecot/imap(main+0x2da) [0x430da2] -> /usr/lib/libc.so.6(__libc_start_main+0xf0) [0x7f6f99b7c610] -> dovecot/imap(_start+0x29) [0x40c639] >> Jan 4 11:14:11 karif dovecot[20876]: imap(username): Fatal: master: service(imap): child 19463 killed with signal 6 (core dumped) > > In case it is easier to read, here's a gdb backtrace: > >> #0 0x00007f6f99b8f5f8 in raise () from /usr/lib/libc.so.6 >> #1 0x00007f6f99b90a7a in abort () from /usr/lib/libc.so.6 >> #2 0x00007f6f99fa6539 in default_fatal_finish (type=LOG_TYPE_PANIC, status=0) at failures.c:201 >> #3 0x00007f6f99fa7a18 in i_internal_fatal_handler (ctx=0x7ffe660d4700, format=0x438a60 "file %s: line %d (%s): assertion failed: (%s)", args=0x7ffe660d4720) at failures.c:670 >> #4 0x00007f6f99fa686d in i_panic (format=0x438a60 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:275 >> #5 0x000000000041dde6 in client_check_command_hangs (client=0x2363450) at imap-client.c:841 >> #6 0x000000000041df50 in client_continue_pending_input (client=0x2363450) at imap-client.c:884 >> #7 0x00000000004122a9 in idle_client_input (ctx=0x23642a8) at cmd-idle.c:111 >> #8 0x00007f6f99fc3b01 in io_loop_call_io (io=0x2374600) at ioloop.c:559 >> #9 0x00007f6f99fc606e in io_loop_handler_run_internal (ioloop=0x232c740) at ioloop-epoll.c:220 >> #10 0x00007f6f99fc3caa in io_loop_handler_run (ioloop=0x232c740) at ioloop.c:607 >> #11 0x00007f6f99fc3bf6 in io_loop_run (ioloop=0x232c740) at ioloop.c:583 >> #12 0x00007f6f99f317af in master_service_run (service=0x232c5e0, callback=0x430a35 <client_connected>) at master-service.c:640 >> #13 0x0000000000430da2 in main (argc=1, argv=0x232c390) at main.c:442Thank you for the report. Could you execute "bt full" in gdb please. Also the output of doveconf -n would be useful. br, Teemu Huovila
Florian Pritz
2016-Jan-04 14:37 UTC
[BUG] 2.2.21 Panic: file imap-client.c: line 841 (client_check_command_hangs): assertion failed: (!have_wait_unfinished || unfinished_count > 0)
On 04.01.2016 11:54, Teemu Huovila wrote:> Thank you for the report. Could you execute "bt full" in gdb please. Also the output of doveconf -n would be useful.Hi, Requested info below. Florian bt f> #0 0x00007f6f99b8f5f8 in raise () from /usr/lib/libc.so.6 > No symbol table info available. > #1 0x00007f6f99b90a7a in abort () from /usr/lib/libc.so.6 > No symbol table info available. > #2 0x00007f6f99fa6539 in default_fatal_finish (type=LOG_TYPE_PANIC, status=0) at failures.c:201 > backtrace = 0x2324158 "/usr/lib/dovecot/libdovecot.so.0(+0xa64ea) [0x7f6f99fa64ea] -> /usr/lib/dovecot/libdovecot.so.0(+0xa7a18) [0x7f6f99fa7a18] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f6f99fa686d] -> dovecot/im"... > #3 0x00007f6f99fa7a18 in i_internal_fatal_handler (ctx=0x7ffe660d4700, format=0x438a60 "file %s: line %d (%s): assertion failed: (%s)", args=0x7ffe660d4720) at failures.c:670 > status = 0 > #4 0x00007f6f99fa686d in i_panic (format=0x438a60 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:275 > ctx = { > type = LOG_TYPE_PANIC, > exit_status = 0, > timestamp = 0x0, > timestamp_usecs = 0 > } > args = {[0] = { > gp_offset = 40, > fp_offset = 48, > overflow_arg_area = 0x7ffe660d4800, > reg_save_area = 0x7ffe660d4740 > }} > #5 0x000000000041dde6 in client_check_command_hangs (client=0x2363450) at imap-client.c:841 > cmd = 0x0 > unfinished_count = 0 > have_wait_unfinished = true > __FUNCTION__ = "client_check_command_hangs" > #6 0x000000000041df50 in client_continue_pending_input (client=0x2363450) at imap-client.c:884 > __FUNCTION__ = "client_continue_pending_input" > #7 0x00000000004122a9 in idle_client_input (ctx=0x23642a8) at cmd-idle.c:111 > client = 0x2363450 > #8 0x00007f6f99fc3b01 in io_loop_call_io (io=0x2374600) at ioloop.c:559 > ioloop = 0x232c740 > t_id = 2 > __FUNCTION__ = "io_loop_call_io" > #9 0x00007f6f99fc606e in io_loop_handler_run_internal (ioloop=0x232c740) at ioloop-epoll.c:220 > ctx = 0x232e250 > events = 0x232f0c0 > event = 0x232f0c0 > list = 0x232fc80 > io = 0x2374600 > tv = { > tv_sec = 29, > tv_usec = 999771 > } > events_count = 5 > msecs = 30000 > ret = 1 > i = 0 > j = 0 > call = true > __FUNCTION__ = "io_loop_handler_run_internal" > #10 0x00007f6f99fc3caa in io_loop_handler_run (ioloop=0x232c740) at ioloop.c:607 > No locals. > #11 0x00007f6f99fc3bf6 in io_loop_run (ioloop=0x232c740) at ioloop.c:583 > __FUNCTION__ = "io_loop_run" > #12 0x00007f6f99f317af in master_service_run (service=0x232c5e0, callback=0x430a35 <client_connected>) at master-service.c:640 > No locals. > #13 0x0000000000430da2 in main (argc=1, argv=0x232c390) at main.c:442 > set_roots = {[0] = 0x43b7a0 <imap_setting_parser_info>, [1] = 0x0} > login_set = { > auth_socket_path = 0x2324048 "\001", > postlogin_socket_path = 0x0, > postlogin_timeout_secs = 60, > callback = 0x43074f <login_client_connected>, > failure_callback = 0x4309a0 <login_client_failed>, > request_auth_token = 1 > } > service_flags = MASTER_SERVICE_FLAG_KEEP_CONFIG_OPEN > storage_service_flags = MAIL_STORAGE_SERVICE_FLAG_DISALLOW_ROOT > username = 0x0 > c = -1doveconf -n> # 2.2.21 (5345f22): /etc/dovecot/dovecot.conf > # Pigeonhole version 0.4.10 (d61ff8a5af9e+) > # OS: Linux 4.2.2-1-ARCH x86_64 Arch Linux > auth_mechanisms = plain login > auth_username_format = %Ln > imap_id_log = * > login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c %k > mail_location = mdbox:~/.mdbox > mail_plugins = " zlib notify mail_log" > mailbox_list_index = yes > managesieve_notify_capability = mailto > managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart > mdbox_rotate_size = 20 M > namespace inbox { > hidden = no > inbox = yes > list = yes > location = > mailbox Drafts { > auto = subscribe > special_use = \Drafts > } > mailbox Junk { > auto = subscribe > special_use = \Junk > } > mailbox Sent { > auto = subscribe > special_use = \Sent > } > mailbox Trash { > auto = subscribe > special_use = \Trash > } > prefix = > separator = . > type = private > } > passdb { > driver = pam > } > plugin { > mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename > mail_log_fields = uid box msgid size > sieve = ~/.dovecot.sieve > sieve_dir = ~/.sieve > sieve_global_dir = /etc/dovecot/sieve/global/ > sieve_global_path = /etc/dovecot/sieve/default.sieve > zlib_save = gz > zlib_save_level = 6 > } > protocols = imap pop3 sieve lmtp > service auth { > unix_listener auth-client { > group = postfix > mode = 0660 > user = postfix > } > user = root > } > service imap-login { > process_limit = 400 > process_min_avail = 5 > } > service lmtp { > drop_priv_before_exec = yes > unix_listener /var/spool/postfix/private/dovecot-lmtp { > group = postfix > mode = 0660 > user = postfix > } > } > service managesieve-login { > inet_listener sieve-obsolete { > port = 2000 > } > } > ssl_cert = </etc/ssl/my-certs/mail.pem > ssl_cipher_list = EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA > ssl_key = </etc/ssl/private/server.key > ssl_options = no_compression > ssl_prefer_server_ciphers = yes > ssl_protocols = !SSLv2 !SSLv3 > userdb { > driver = passwd > } > protocol imap { > imap_client_workarounds = tb-extra-mailbox-sep > mail_max_userip_connections = 30 > mail_plugins = " zlib notify mail_log imap_zlib" > } > protocol lda { > mail_plugins = " zlib notify mail_log sieve" > postmaster_address = postmaster at server-speed.net > } > protocol lmtp { > mail_plugins = " zlib notify mail_log sieve" > postmaster_address = postmaster at server-speed.net > } > protocol sieve { > managesieve_logout_format = bytes ( in=%i : out=%o ) > }-------------- next part -------------- A non-text attachment was scrubbed... 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