[linrad] Re: Linrad 02.06a

[Leif Asbrink <sm5bsz.com; leif@xxxxxxxxxxxxxxxx>]

Hello Ramiro,

> xlinrad crashes under Debian Sarge and shows the following Segmentation 
> Fault debbuged with gdb. I send it to you just in case it gives you some 
> clues. Is the 890=0x37A port a parallel port register? What is it used 
> for under Linrad?
Linrad uses the parallel port to control the WSE hardware.
For this reason one has to run Linrad as root, something 
that also makes it easier to use svgalib.

If you want to disable the parallel port reads and writes,
set VALGRIND TRUE in vernr.h

I have now downloaded Sarge and it does not support my Delta44
so I have to use the SCSI card in RDWR mode. This made me
discover a bug in 06a (and a few earlier ones): Linrad closes
the device before it stopped both input and output which
causes segfaults. It has nothing to do with Sarge, I noticed
because Sarge made me try RDWR which I had not done for quite 
some time.........

Ramiro, since your hardware does not need the parallel
port, you should make a users hwaredriver that does not
offend your preferred mode of operation. That is another 
way to disable parallel port access.

Linrad 02-07 will (hopefully) give an error message rather
than a segfault.....

73

Leif


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