diskless/rm causing deadlock?
danny at cs.huji.ac.il
Thu Apr 19 09:21:11 UTC 2007
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> On Wed, Apr 04, 2007 at 11:55:10AM +0300, Danny Braniss wrote:
> > I stumbled on this in -current, but it's also true for 6.2.
> > /(root) is mounted diskless, doing rm of a file in /, even as a lowly mor=
> > will hang the network, and hence everything.
> > on a 6.1 system, it works as expected.
> > badwolf> rm /usr/ports
> > rm: /usr/ports: Read-only file system
> > i'll try to hunt this down, but some pointers where to start might be
> > helpfull
> Start with a tcpdump of network traffic. CC mohans@ :)
> I have seen something similar myself, but have not yet tracked it down.
it's because / is mounted NFS/V2 - so the 'bug' must be in the V2 stack.
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