Hello,
The requested information has been sent off-list.
Thanks, Ben
On 8/5/24 02:10, Aki Tuomi via dovecot wrote:
Hi!
We have seen this before but were unable to reproduce the issue.
Could you please send directly to me the core file processed with
https://raw.githubusercontent.com/dovecot/core/master/src/util/dovecot-sysre...
You should use
dovecot-sysreport --core /path/to/core /usr/lib/dovecot/imap
as parameters.
Also, if possible, index files that match the core from both source & destination server. If you can't provide these, we'll be happy to look just at the core.
Aki
On 05/08/2024 06:59 EEST Benjamin Rose via dovecot dovecot@dovecot.org wrote:
Hello,
I am running Dovecot 2.3.16 (7e2e900c1a) on RHEL 9.2. I attach my "doveconf -n" configuration. I have replication enabled between 2 servers, both very beefy with 16 cores of Intel(R) Xeon(R) Gold 6244 CPU @ 3.60GHz, 768gb memory, and 100-gig ethernet. The configs are the same except the replication part which points at each other via a puppet template. It seems to work well for most users on modern email clients using the mdbox storage format. The issue I'm having is that some of my users are on the old-style mbox storage format so they can use legacy mail readers such as pine and mutt natively. For some of these users, syncing works just fine. For others, right now about a dozen users, the sync never completes, and I get the following error & backtrace in /var/log/maillog:
Aug 4 23:54:22 mail6 dovecot[1177530]: doveadm: Panic: file dsync-mailbox-import.c: line 2163 (dsync_mailbox_import_handle_mail): assertion failed: (array_count(&wanted_uids) > 0) Aug 4 23:54:22 mail6 dovecot[1177530]: doveadm: Error: Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(backtrace_append+0x46) [0x7fa6ab05c486] -> /usr/lib64/dovecot/libdovecot.so.0(backtrace_get+0x22) [0x7fa6ab05c5a2] -> /usr/lib64/dovecot/libdovecot.so.0(+0x10a41b) [0x7fa6ab06b41b] -> /usr/lib64/dovecot/libdovecot.so.0(+0x10a4b7) [0x7fa6ab06b4b7] -> /usr/lib64/dovecot/libdovecot.so.0(+0x5d11a) [0x7fa6aafbe11a] -> dovecot/doveadm-server(+0x24029) [0x56433f2f7029] -> dovecot/doveadm-server(dsync_mailbox_import_changes_finish+0x29c) [0x56433f32fb9c] -> dovecot/doveadm-server(dsync_brain_sync_mails+0x8d5) [0x56433f331f15] -> dovecot/doveadm-server(+0x52255) [0x56433f325255] -> dovecot/doveadm-server(+0x52639) [0x56433f325639] -> dovecot/doveadm-server(+0x5fa53) [0x56433f332a53] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x6d) [0x7fa6ab081cbd] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x13a) [0x7fa6ab083bba] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x54) [0x7fa6ab083c64] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x40) [0x7fa6ab083e20] -> dovecot/doveadm-server(+0x37d7c) [0x56433f30ad7c] -> dovecot/doveadm-server(+0x3974d) [0x56433f30c74d] -> dovecot/doveadm-server(+0x5020b) [0x56433f32320b] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x6d) [0x7fa6ab081cbd] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x13a) [0x7fa6ab083bba] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x54) [0x7fa6ab083c64] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x40) [0x7fa6ab083e20] -> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x17) [0x7fa6aaff2337] -> dovecot/doveadm-server(main+0x102) [0x56433f2f8f92] -> /lib64/libc.so.6(+0x3feb0) [0x7fa6aac3feb0] -> /lib64/libc.so.6(__libc_start_main+0x80) [0x7fa6aac3ff60] -> dovecot/doveadm-server(_start+0x25) [0x56433f2f9015] Aug 4 23:54:22 mail6 dovecot[1177530]: doveadm: Fatal: master: service(doveadm): child 1117475 killed with signal 6 (core dumped)
I'm not sure what might be causing this, and wanted to see if anyone here could offer any suggestions. Please let me know if any additional information is needed.
Thanks, Ben
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