NFS filesystem breaks the boot
Marta Resende
martarese at hotmail.com
Sun Dec 5 05:07:02 PST 2004
I try it, ot does nothing, when the boot process cames to NFS filesystems
mounting, the computer blocks ..
these never happen to me, and now, all machines i update to -stable, has
these problem!
thank u
>From: Robert Watson <rwatson at freebsd.org>
>To: Marta Resende <martarese at hotmail.com>
>CC: freebsd-stable at freebsd.org
>Subject: Re: NFS filesystem breaks the boot
>Date: Sun, 5 Dec 2004 11:53:39 +0000 (GMT)
>
>On Sun, 5 Dec 2004, Marta Resende wrote:
>
> > Hey,i upgrade using that options:
> >
> > #cd /usr/src
> > #make buildworld
> > #make buildkernel KERNCONF=MINE
> > #make installkernel KERNCONF=MINE
> > #reboot
> > (press 4 for single-user mode)
> > #fsck -p
> > #mount -u /
> > #mount -a
> > #cd /usr/src
> > #mergemaster -p
> > #make installworld
> > #mergemaster> >
> > and when i reboot, freebsd stops under "Mounting NFS file systems:."
>
>Could you try hitting Ctrl-T at the point where things seem stuck? This
>will cause the kernel to print out information on the current foreground
>process. It will also tell us what, at a kernel level, the process is
>blocked on. For example:
>
>paprika:~/ngcmac> sleep 10
>load: 0.01 cmd: sleep 45193 [nanslp] 0.00u 0.00s 0% 452k
>
>The sleep command is typically blocked in the nanslp wait channel in the
>kernel. You are likely to find a process blocked in [kqread], which is
>often a suggestion that the process is blocked in a DNS lookup:
>
>paprika:~/freebsd/commit/src/sys/kern> telnet www.unresolveable.org
>load: 0.08 cmd: telnet 45211 [kqread] 0.01u 0.00s 0% 1944k
>
>Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
>robert at fledge.watson.org Principal Research Scientist, McAfee Research
>
>
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