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On Mon, Nov 02, 2009 at 12:26:28PM +0000, Faye Gibbins wrote:
> We have an ongoing issue with our automounter freezing and refusing to
> mount more nfs shares.
>
> Apart from setting up a system with automounter running under strace
> with a client hitting it I'm not sure where to go with this problem
> (attaching strace to a frozen autofs has not helped).
(maybe you can attach gdb to the frozen autofs)
I had some luck with strace in the past - had frozen automount,
turned out to be gethostbyname() (DNS lookup) stuck inside the NIS
library. (What? DNS lookup stuck inside NIS? Turns out
the system-config-auth configures it that way (in /etc/nsswitch.conf)
if you enable NIS. Took NIS out, problem went away.)
So you never know, with strace, sometimes you get lucky and catch
something simple like that.
--
Konstantin Olchanski
Data Acquisition Systems: The Bytes Must Flow!
Email: olchansk-at-triumf-dot-ca
Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada
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