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[Lars <1332120@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Hi there is a fix for this bug:

#doveadm -v backup -fu user mdbox: ....

dsync(user): Panic: file dsync-brain-mailbox-tree-sync.c: line 111 (dsync_brain_mailbox_tree_sync_change): assertion failed: (brain->no_backup_overwrite)
dsync(user): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x5e271) [0x7f60764c1271] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x2a) [0x7f60764c12da] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f607647ca9e] -> doveadm [user recv_mailbox_tree_deletes](dsync_brain_mailbox_tree_sync_change+0x442) [0x7f60770e0142] -> doveadm [user recv_mailbox_tree_deletes](dsync_brain_recv_mailbox_tree_deletes+0x11b) [0x7f60770dfc4b] -> doveadm [user recv_mailbox_tree_deletes](dsync_brain_run+0x4e3) [0x7f60770dd0b3] -> doveadm [user recv_mailbox_tree_deletes](+0x2d964) [0x7f60770da964] -> doveadm [user recv_mailbox_tree_deletes](+0x15b5b) [0x7f60770c2b5b] -> doveadm [user recv_mailbox_tree_deletes](doveadm_mail_try_run+0x26c) [0x7f60770c38ac] -> doveadm [user recv_mailbox_tree_deletes](main+0x414) [0x7f60770c26d4] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f60760beec5] -> doveadm [user recv_mailbox_tree_deletes](+0x15922) [0x7f60770c2922]

dovecot-core 2.2.9-1ubuntu2.1 from 14.04 LTS

the fix:
https://www.mail-archive.com/dovecot@xxxxxxxxxxx/msg56465.html
http://hg.dovecot.org/dovecot-2.2/rev/fbc8fe46dfce

dovecot-core:
  Installiert:           1:2.2.9-1ubuntu2.1
  Installationskandidat: 1:2.2.9-1ubuntu2.1
  Versionstabelle:
 *** 1:2.2.9-1ubuntu2.1 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
        100 /var/lib/dpkg/status
     1:2.2.9-1ubuntu2 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages


this is a show stopper bug because it is our main mail server

Thanks
Lars

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: backup doveadm dovecot imap mail

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https://bugs.launchpad.net/bugs/1332120

Title:
  panic error while backup mailboxes with doveadm backup

Status in “linux” package in Ubuntu:
  New

Bug description:
  Hi there is a fix for this bug:

  #doveadm -v backup -fu user mdbox: ....

  dsync(user): Panic: file dsync-brain-mailbox-tree-sync.c: line 111 (dsync_brain_mailbox_tree_sync_change): assertion failed: (brain->no_backup_overwrite)
  dsync(user): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x5e271) [0x7f60764c1271] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x2a) [0x7f60764c12da] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f607647ca9e] -> doveadm [user recv_mailbox_tree_deletes](dsync_brain_mailbox_tree_sync_change+0x442) [0x7f60770e0142] -> doveadm [user recv_mailbox_tree_deletes](dsync_brain_recv_mailbox_tree_deletes+0x11b) [0x7f60770dfc4b] -> doveadm [user recv_mailbox_tree_deletes](dsync_brain_run+0x4e3) [0x7f60770dd0b3] -> doveadm [user recv_mailbox_tree_deletes](+0x2d964) [0x7f60770da964] -> doveadm [user recv_mailbox_tree_deletes](+0x15b5b) [0x7f60770c2b5b] -> doveadm [user recv_mailbox_tree_deletes](doveadm_mail_try_run+0x26c) [0x7f60770c38ac] -> doveadm [user recv_mailbox_tree_deletes](main+0x414) [0x7f60770c26d4] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f60760beec5] -> doveadm [user recv_mailbox_tree_deletes](+0x15922) [0x7f60770c2922]

  dovecot-core 2.2.9-1ubuntu2.1 from 14.04 LTS

  the fix:
  https://www.mail-archive.com/dovecot@xxxxxxxxxxx/msg56465.html
  http://hg.dovecot.org/dovecot-2.2/rev/fbc8fe46dfce

  dovecot-core:
    Installiert:           1:2.2.9-1ubuntu2.1
    Installationskandidat: 1:2.2.9-1ubuntu2.1
    Versionstabelle:
   *** 1:2.2.9-1ubuntu2.1 0
          500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
          500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
          100 /var/lib/dpkg/status
       1:2.2.9-1ubuntu2 0
          500 http://de.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages


  this is a show stopper bug because it is our main mail server

  Thanks
  Lars

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