Simon:

Good points.  As I said earlier, back when I was having segfaults, these
patterns emerged:  1) segfaults were very common when receiving from one
particular sender,  2) when a segfault occurred from the problem sender,
the sender would automatically try to send the fax again.  It would
often segfault again, but on a different page,  3) I have had segfaults
occur during receipt of the first page, or during receipt of later pages
in a multi-page fax.

Note that I'm looking at a fairly small sample size: most of the
segfaults I analyzed were on a single day.  Being in a live office
setting, if too many segfaults were occurring, my office staff would
hook up the dedicated fax machine, and that was the end of data
collection (as well as hylafax fax reception).

If a dedicated fax machine, like the Minolta 2900, tries to re-send a
fax that failed because the receiver (hylafax) crashed during the
transfer, would it not send *exactly* the same data as the first time?
That would make me think that it is not related to the actual data being
sent, but definitely has something to do with the control signals.

Is there any way to monitor the actual data transfer process, to see
exactly what is going on just before a segfault?

Mark

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https://bugs.launchpad.net/bugs/600219

Title:
  faxgetty segfault

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