Re: [hylafax-users] modem (or faxgetty?) hangs "receiving from ..."

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2003.12.05 12:57 Aidan Van Dyk wrote:

> So, it definately seems like it's stuck in a system call.  It seems
> it's
> not actually "doing" anything (CPU wise), correct?)  The output of
> strace should be able to tell us what system call it's doing.

From my earlier analysis, I believe that faxgetty is looping in 
ModemServer::getModemLine() for the modem to respond with +FPS.  The 
modem never does respond with +FPS, however (so a Class 2 firmware bug 
is triggering a HylaFAX problem here).  ModemPageDoneTimeout is 
supposed to control how long faxgetty waits in getModemLine(), but 
ModemPageDoneTimeout doesn't seem to be working - so we loop forever 
waiting for +FPS.

ModemPageDoneTimeout is, by default, exceptionally large, 180000.  I 
don't know if that has some factor on this (perhaps because it exceeds 
a 16-bit integer size), so that's why I've asked them to test with 
ModemPageDoneTimeout set to 60000.

Lee.

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