Re: dovecot: Bad file descriptor

Use a mix of ktrace -di and ltrace(1) , and try to find the callpaths
that are trying to something like

close(fd);
fd = -1;
...
close(fd);

though it will likely be in very different places...

Stephan Mending <list@md5collisions.eu> wrote:

> Hello *,
>
> I've been noticing a large number of error messages in the maillog
> coming from dovecot.
>
> There seems to be a problem yet unknown problem. I've been running this
> setup now for a few years and never had problems like these.
>
> $ cat /var/log/maillog
>
> Jun  6 18:13:06 stg-00 dovecot:
> imap(list@md5collisions.eu)<20289><1lU4KhvECr4KAgBk>: Error: kevent(-1)
> for notify remove failed: Bad file descriptor
> Jun  6 18:13:06 stg-00 dovecot:
> imap(list@md5collisions.eu)<20289><1lU4KhvECr4KAgBk>: Error: close(-1)
> for notify remove failed: Bad file descriptor
> Jun  6 18:13:06 stg-00 dovecot:
> imap(list@md5collisions.eu)<20289><1lU4KhvECr4KAgBk>: Error: kevent(-1)
> for notify remove failed: Bad file descriptor
> Jun  6 18:13:06 stg-00 dovecot:
> imap(list@md5collisions.eu)<20289><1lU4KhvECr4KAgBk>: Error: close(-1)
> for notify remove failed: Bad file descriptor
> Jun  6 18:13:06 stg-00 dovecot:
> imap(list@md5collisions.eu)<20289><1lU4KhvECr4KAgBk>: Error: Couldn't
> hibernate imap client: fd_send(/var/dovecot/imap-hibernate) failed:
> Invalid argument
>
>
> Do you guys have any idea, whats the matter?
>
>
> Best regards,
>
> Stephan
>