[Simh] Ultrix network issues

2018-11-15 Thread Douglas Hall
I've been successfully running Ultrix 4.5 on a Microvax3900 sim , but I've had problems with networking since migrating the sim to a Xen DomU host. TCP network performance for file transfers is painfully slow. I've reproduced the problem with ftp and rcp. After an initial flurry of traffic Ultr

Re: [Simh] Ultrix network issues

2018-11-15 Thread Mark Pizzolato
Hi Douglas, On Thursday, November 15, 2018 at 8:50 AM, Douglas Hall wrote: > I've been successfully running Ultrix 4.5 on a Microvax3900 sim , but I've had > problems with networking since migrating the sim to a Xen DomU host. > > TCP network performance for file transfers is painfully slow. I've

Re: [Simh] Ultrix network issues

2018-11-15 Thread Douglas Hall
On Thu, 15 Nov 2018, at 17:25, Mark Pizzolato wrote: > From what you've said here, not being a Xen user myself, it is not 100% clear > exactly what's running where. > > Is it: Ultrix on simh running on Debian Stretch running under Xen? > OR: Ultrix on simh running on Xen running under Debian

Re: [Simh] Ultrix network issues

2018-11-15 Thread Mark Pizzolato
On Thursday, November 15, 2018 at 3:27 PM, Douglas Hall wrote: > On Thu, 15 Nov 2018, at 17:25, Mark Pizzolato wrote: > > > From what you've said here, not being a Xen user myself, it is not > > 100% clear exactly what's running where. > > > > Is it: Ultrix on simh running on Debian Stretch runnin

Re: [Simh] Ultrix network issues

2018-11-15 Thread Douglas Hall
On Thu, 15 Nov 2018, at 23:47, Mark Pizzolato wrote: > Thanks for the SHOW VERSION output. > > Meanwhile the more important detail will be things like SHOW ETHERNET > And SHOW XQ STATS, and just SHOW XQ (after the OS has exhibited the > problem AND after a different OS doesn't exhibit the prob

Re: [Simh] Ultrix network issues

2018-11-15 Thread Mark Pizzolato
On Thursday, November 15, 2018 at 4:31 PM, Douglas Hall wrote: > On Thu, 15 Nov 2018, at 23:47, Mark Pizzolato wrote: > > > Thanks for the SHOW VERSION output. > > > > Meanwhile the more important detail will be things like SHOW ETHERNET > > And SHOW XQ STATS, and just SHOW XQ (after the OS has ex