[Dovecot] mailbox_check_mismatching_separators

[Danilo Acquaviva]

I using dovecot with mdbox and in one account i get this error:

doveadm(xxx): Panic: file mail-storage.c: line 787
(mailbox_check_mismatching_separators): assertion failed: (strncmp(vname,
ns->prefix, ns->prefix_len-1) == 0)
doveadm(xxx): Error: Raw backtrace:
/usr/lib/dovecot/libdovecot.so.0(+0x4472a) [0x7fd429a4172a] ->
/usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x32)
[0x7fd429a41812] -> /usr/lib/dovecot/libdovecot.so.0(i_error+0)
[0x7fd429a185bf] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mailbox_open_stream+0)
[0x7fd429d05bb0] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mailbox_open+0xf) [0x7fd429d05bcf]
->
/usr/lib/dovecot/libdovecot-storage.so.0(mdbox_storage_rebuild_in_context+0xb2b)
[0x7fd429cc7e1b] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mdbox_sync_begin+0x7ec)
[0x7fd429cc5dec] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mdbox_sync+0x46) [0x7fd429cc5e56]
-> /usr/lib/dovecot/libdovecot-storage.so.0(mdbox_storage_sync_init+0x87)
[0x7fd429cc5f37] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x31)
[0x7fd429d04781] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync+0x27)
[0x7fd429d05297] -> doveadm() [0x4104c7] -> doveadm() [0x40f988] ->
doveadm() [0x40fce4] -> doveadm(doveadm_mail_try_run+0x141) [0x410161] ->
doveadm(main+0x3a1) [0x416f01] -> /lib/libc.so.6(__libc_start_main+0xfd)
[0x7fd4296b9c8d] -> doveadm() [0x40f2b9]

The error also occurs with  force-resync .

The dovecot director version is 2.1.5 .

____________________________________
Danilo Acquaviva