I have a system running 5.1-RELEASE-p2 which is an NFS client of
another FreeBSD (4.x) machine. When I have the NFS mount via a VLAN
the system reliably hangs (no response to console, including
Ctrl-Alt-Esc). This is a default NFS mount (no options) and I am
trying to do a buildworld with /usr/{src,obj} NFS mounted. The VLAN
is using an Intel fxp NIC. The kernel has DEVICE_POLLING specified
but not enabled.
- NFS mount to the same server via normal Ethernet (using a 3Com 905
NIC) successfully manages buildworld
- Adding WITNESS and INVARIANTS didn't help (though it lasted longer
before dying)
- Enabling device polling didn't help
- Adding DISABLE_PSE allows it to complete a buildworld
Any suggestions on where to go next?
Peter
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