[syslinux] Ghostcast random freeze.

[H. Peter Anvin]

On 08/04/2010 02:08 PM, Gene Cumm wrote:
> 
> Yep.  I've seen where mice mess it up where everything seems to load
> and then you get the Ghost screen to come up and it stops dead under
> the following two conditions (independent of how you load things):
> 
> 1) The mouse is bad and messing up the mouse controller.
> 
> 2) You might have a USB-based mouse/keyboard, a 3com card like the
> 3c905 and have not assigned a dedicated IRQ to the NIC.  The DOS
> driver Symantec was using at one point for the 3c905 required the
> dedicated IRQ to work properly.
> 
> I've also seen where in the middle of a ghostcast session, a client
> hangs and is dropped from the session due to a bad NIC driver (always
> at the exact same block in the image).  Try fetching an updated NIC
> driver from Symantec or the hardware vendor.
> 
> An extension to hpa's statement: What hardware (preferably with
> BIOS/firmware versions; examples of where it does and doesn't work)?
> 
> Your issue could also be network-born, most likely with dropped
> packets if it's network-born (bad NICs, saturating a link, etc).  Have
> you tried in very small batches (2-5) and build up to larger batches?
> 
> Have you tried repeating the ghostcast with very small batches of
> problematic PCs (like 1-3 "failures", possibly with 1-3 "successes")?
> 

Also, trying the "bigraw" option to memdisk, as well as experimenting
with such things as loading/not loading HIMEM.SYS and EMM386.EXE on your
DOS image.

	-hpa