Re: A unresponsive file system can hang all I/O in the system on linux-2.6.23-rc6 (dirty_thresh problem?)

From: Daniel Phillips
Date: Fri Sep 28 2007 - 16:25:06 EST

On Friday 28 September 2007 12:52, Trond Myklebust wrote:
> I'm not sure that the hang that is illustrated here is so special. It
> is an example of a bog-standard ext3 write, that ends up calling the
> NFS client, which is hanging. The fact that it happens to be hanging
> on the nfsd process is more or less irrelevant here: the same thing
> could happen to any other process in the case where we have an NFS
> server that is down.

Hi Trond,

Could you clarify what you meant by "calling the NFS client"? I don't
see any direct call in the posted backtrace.


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