cannot read byte, return: Interrupted system call

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Hi,

On Fri, Jan 07, 2000 at 02:52:50PM -0600, Jason Hoffman wrote:
> I am having some trouble.  It appears as though many of my outgoing faxes
> are being sent correctly, but the modem is not receiving an OK from the
> remote fax after the page has been sent.   It hangs for a minute or 2 before
> failing with the following message:
> 
> 01/07 14:03:01 yS2  fax_wait_for(OK)
> 01/07 14:05:01 yS2  Warning: got alarm signal!
> 01/07 14:05:01 yS2  mdm_read_byte: read returned -1: Interrupted system call
> 01/07 14:05:01 yS2  mdm_get_line: cannot read byte, return: Interrupted
> system call

Looks like a modem problem - whatever the modem does, it should send
*something* in a two minute period.

> I am running  mgetty 1.1.21 on Redhat  Linux 6.0.  I have 3 MultiTech
> MT5634ZPX-PCI internal modems, all of which are producing this identical
> problem.  The current firmware revision on these modems is 4.16F.  

Try a different firmware, and see whether that helps.

> I also
> have an external modem connected to this box, which has never had this
> problem.  I am sure it is probably a configuration issue, but am having no
> luck resolving this.  Below is a complete log session...

It's unlikely to be configuration.  You might want to try "ignore-carrier
yes" (in sendfax.config), but this error usually manifests itself
differently.

gert
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Gert Doering - Munich, Germany                             gert@greenie.muc.de
fax: +49-89-35655025                        gert.doering@physik.tu-muenchen.de