On Sun, 08 May 2011 22:49:57 +0200, Eelco Dolstra
<[email protected]> wrote:
Hi,
On 05/06/2011 01:32 PM, Rickard Nilsson wrote:
I have a sort-of working NixOS installation booting from an NFS root
with only minor manual interventions. I pass init stage 1 and 2 just
fine, and then get a login prompt. Now if I try to login with root
or
any other user, absolutely nothing happens. The login process just
hangs, and nothing happens if I press Ctrl-C. I can switch to
another
tty and try to login there too, but nothing happens there either.
Probably the system locked up because the dhclient Upstart job
brought down the network interface used to access the NFS disk.
Since
the code to subsequently bring the interface up again resides on NFS,
it hangs. I've had this problem in our VM tests (where we boot from a
remote Nix store mounted via SMB). It uses this workaround (from
modules/virtualisation/qemu-vm.nix):
# Starting DHCP brings down eth0, which kills the connection to the
# host filesystem and thus deadlocks the system.
networking.useDHCP = false;
Thanks! I'll try it out when I get back home. Actually, I should have
thought about it myself, because I have a similar workaround on my
current ArchLinux setup, where I had to disable all networking
initialization on startup otherwise the link that was set up by initrd
would be teared down. Of course, I had forgot all about that by now.
/ Rickard
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