[ipxe-devel] iPXE and Citrix PVS conflict suspected

[NICOLAS CATTIE]

Hi

I'm trying to use iPXE to redirect some of our physical machine to Citrix PVS (to stream windows 7 from PVS server to the physical machine) but I'm having a random problem.

The Process :

-          The machine is booting with PXE

-          The DHCP gives the iPXE server

-          An iPXE script is executed and chain to PVS

Embedded script :
dhcp
Chain http://ipxe.domain.com/boot.aspx

Boot.aspx gives the script :
Chain tftp://10.1.2.3/ARDBP32.bin

10.1.2.3 is the PVS server and ARDBP32.bin is the Citrix boostrap that intercept BIOS interrupt 13 to request the PVS server for missing blocks to be streamed

The PVS bootstrap always starts correctly but i'm having a random problem with OS streaming : sometime, the windows boot hangs. The problem does not appear on the same machine each time. If I configure DHCP so that the machine contacts the PVS server directly, the problem never occurs (but I can't stay with this configuration because I have to redirect to different PXE environment).

I also tried different command line (autoreplace, autofree) but no change. Even tried PXEBS instead of direct tftp chain, still no change.

I suspect a memory conflict between iPXE and PVS (ARDBP32.bin). I have opened a ticket at Citrix, but is there a way to diagnose what happen and if there is a memory conflict ?

Thank you for your help

Nicolas

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