[Dovecot] lmtp proxy timeout while waiting for reply to DATA reply

[Daniel Parthey]

Here are some additional errors from the logs:

# 2.0.20: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-40-server x86_64 Ubuntu 10.04.4 LTS 

Jun  1 10:43:37 10.129.3.233 dovecot: lmtp(16941): Panic: file lmtp-proxy.c: line 376 (lmtp_proxy_output_timeout): assertion failed: (proxy->data_input->eof)
Jun  1 10:43:37 10.129.3.233 dovecot: lmtp(16941): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x3a7ca) [0x7fa0d849c7ca] -> /usr/lib/dovecot/libdovecot.so.0(+0x3a816) [0x7fa0d849c816] -> /usr/lib/dovecot/libdovecot.so.0(+0x13e4a) [0x7fa0d8475e4a] -> dovecot/lmtp() [0x407477] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handle_timeouts+0xd4) [0x7fa0d84a8224] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x5b) [0x7fa0d84a8e3b] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x28) [0x7fa0d84a7e88] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7fa0d8495d13] -> dovecot/lmtp(main+0x171) [0x404591] -> /lib/libc.so.6(__libc_start_main+0xfd) [0x7fa0d7cf1c4d] -> dovecot/lmtp() [0x404339]
Jun  1 11:27:09 10.129.3.200 dovecot: lmtp(32350): Panic: file lmtp-proxy.c: line 376 (lmtp_proxy_output_timeout): assertion failed: (proxy->data_input->eof)
Jun  1 11:27:09 10.129.3.200 dovecot: lmtp(32350): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x3a7ca) [0x7f18ec25b7ca] -> /usr/lib/dovecot/libdovecot.so.0(+0x3a816) [0x7f18ec25b816] -> /usr/lib/dovecot/libdovecot.so.0(+0x13e4a) [0x7f18ec234e4a] -> dovecot/lmtp() [0x407477] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handle_timeouts+0xd4) [0x7f18ec267224] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x5b) [0x7f18ec267e3b] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x28) [0x7f18ec266e88] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f18ec254d13] -> dovecot/lmtp(main+0x171) [0x404591] -> /lib/libc.so.6(__libc_start_main+0xfd) [0x7f18ebab0c4d] -> dovecot/lmtp() [0x404339]
Jun  1 11:27:37 10.129.3.200 dovecot: lmtp(32408): Panic: file lmtp-proxy.c: line 376 (lmtp_proxy_output_timeout): assertion failed: (proxy->data_input->eof)
Jun  1 11:27:37 10.129.3.200 dovecot: lmtp(32408): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x3a7ca) [0x7f97f07fe7ca] -> /usr/lib/dovecot/libdovecot.so.0(+0x3a816) [0x7f97f07fe816] -> /usr/lib/dovecot/libdovecot.so.0(+0x13e4a) [0x7f97f07d7e4a] -> dovecot/lmtp() [0x407477] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handle_timeouts+0xd4) [0x7f97f080a224] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x5b) [0x7f97f080ae3b] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x28) [0x7f97f0809e88] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f97f07f7d13] -> dovecot/lmtp(main+0x171) [0x404591] -> /lib/libc.so.6(__libc_start_main+0xfd) [0x7f97f0053c4d] -> dovecot/lmtp() [0x404339]

Regards,
Daniel