As soon as I build my kernel using the GART_IOMMU option (more than 3GB RAM), dhclient fails.
It seems to be uli526x related.
Log file sample using debug=1 attached.
ASROCK 939DUAL-SATA2 motherboard
Created attachment 330948 [details]
part of dmesg containing uli526x debug output
Created attachment 330950 [details]
cat lspci -v lspci -n
Created attachment 330952 [details]
kernel .config minus CONFIG_GART_IOMMU
The almost exact non-working kernel config minus CONFIG_GART_IOMMU (removed in order to post to bugzilla)
Could you report it upstream?
Please report this upstream and link us to the upstream bug, thank you.