[Dovecot] "Broken mailbox list" with virtual plugin

[Matthijs Kooijman]

Hi,

I just noticed another error in the log, something somewhat more serious:

Panic: file virtual-sync.c: line 524: unreached
Raw backtrace: 
  imap [0x80efa61]
  -> imap [0x80efae2]
  -> imap [0x80ef469]
  -> /usr/lib/dovecot/modules/imap/lib20_virtual_plugin.so [0xb7e5f762]
  -> /usr/lib/dovecot/modules/imap/lib20_virtual_plugin.so(virtual_storage_sync_init+0x122d) [0xb7e60cbd]
  -> imap(mailbox_sync+0x32) [0x80b4ad2]
  -> imap(cmd_close+0x9a) [0x8060b7a]
  -> imap [0x806717c]
  -> imap [0x8067219]
  -> imap(client_handle_input+0x1d) [0x806785d]
  -> imap(client_input+0x63) [0x8067d13]
  -> imap(io_loop_handler_run+0xe0) [0x80f8660]
  -> imap(io_loop_run+0x20) [0x80f7af0]
  -> imap(main+0x5e5) [0x8070635]
  -> /lib/libc.so.6(__libc_start_main+0xe5) [0xb7e7b455]
  -> imap [0x805fc61]
child 17088 (imap) killed with signal 6 (core dumps disabled)

I'm not quite sure what I was doing when this error occured, I don't think I
did anything in particular. I did remove a mailbox from the virtual list (that
I put there for debugging), but that was some time before this error ocurred
IIRC.

Gr.

Matthijs
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