2.4.20-pre3 hangs on boot on Duron/VIA

[Jonathan Hudson]

2.4.20-pre3 hangs on boot on a Duron/VIA system, immediately after
displaying the line:

 Initializing RT netlink socket 

2.4.20-pre2 (and -ac3) boot normally

 PCI: Probing PCI hardware 
 Disabling VIA memory write queue (PCI ID 0305, rev 02): [55] 89 & 1f -> 09 
 Unknown bridge resource 0: assuming transparent 
 Linux NET4.0 for Linux 2.4 
 Based upon Swansea University Computer Society NET3.039 
 Initializing RT netlink socket 
 Starting kswapd 
 ACPI: Core Subsystem version [20011018] 
 ACPI: Subsystem enabled 
 matroxfb: Matrox G400 (AGP) detected

Compiler was gcc 3.2. Further details on request if required.

Thanks