Further work suggests that the type of pdf file might matter, as I have now seen the defunct daemon after
adding the first pdf file in an entry.

However, I have also found that image manipulation (rotation, size) generates a defunct daemon.

> Hi Stefan and Andreas
> 
> Yesterday I reported I had some issues with the latest elog: but now I can reproduce one.  
> elog 2.9.2-a738232
> 
> I started a new entry, and attached three pdf files.  I did not get the problem of not seeing the png thumnbnail
> this time, although that is annoying if you want/need to adjust the thumbnail image before submitting.
> 
> However, if I then look at the running processes, I have the following listed (ps -A)
> 
> 23677 tty1     00:00:04 elogd
> 23809 tty1     00:00:00 elogd <defunct>
> 23825 tty1     00:00:00 elogd <defunct>
> 23847 pts/0    00:00:00 ps
> 
> 23677 was when I started the elogd daemon, having killed off the previous daemon etc for test purposes.
> 
> 23809 and 23825 appeared after a couple of pdfs were added (second and third ones to be precise).  They can only
> be killed off by killing off the original running daemon.  It appears that attaching a second and further pdf
> attachments to any entry generates an elogd <defunct> in the processes list, although attaching a jpg in the
> middle of a list of pdfs didn't (but the next pdf did).  This is happening while adding attachments, that is the
> Submit button has yet to be pressed, so it seems to be generated  when the pdf file is being processed for some
> reason.
> 
> You can end up with quite a stack of these in the process list!
> 
> I never saw this behaviour with the previous version I was running, SVN2475 I think.
> 
> 
> By the way, I still cannot send an attachment over to this server (showing a screenshot) without the 502 error.