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bin/41259: amd(8) cannot handle high demand

>Number:         41259
>Category:       bin
>Synopsis:       amd(8) cannot handle high demand
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Apr 21 13:15:00 +0000 2009
>Release:        NetBSD 5.0_RC4 2009-04-18 sources
Matthias Scheler                        
System: NetBSD 5.0_RC4 NetBSD 5.0_RC4 (GENERIC) #0: Sat Apr 
18 10:53:55 BST 2009
Architecture: i386
Machine: i386
I tried to build NetBSD sources from the "netbsd-5" branch on an
NFS volume that was mounted via amd(8) today. The machine has four
virtual CPUs and I started "" with "-j 8". The build failed
several times with random "device busy" or "file not found" messages.

I mounted the source statically with "mount -t nfs ..." afterwards,
retried the build and it finished without problems.

Here is my "/etc/amd.conf" in case it matters:

auto_attrcache  = 1
search_path     = /etc/amd
unmount_on_exit = yes

[ /home ]
map_name =      amd.home
map_type =      nis

[ /share ]
map_name =      amd.share
map_type =      nis

[ /scratch ]
map_name =      amd.scratch
map_type =      nis

[ /volumes ]
map_name =      volumes
map_type =      file

I've only added "auto_attrcache" and "unmount_on_exit" today to fix
the build problem. But it didnt' help.

cd /auto/mounted/path/src
./ -j 8 ...

None provide.

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