Re: pre9-2 bugreport: NFS client stuck in disk wait

From: Trond Myklebust (trond.myklebust@fys.uio.no)
Date: Tue May 16 2000 - 15:21:30 EST


>>>>> " " == Jeff Garzik <jgarzik@mandrakesoft.com> writes:

> The config: 2.3.99-pre9-pre2, Dual P-II w/ minimal IDE/NFS/NFS
> server kernel configuration.

> The problem is the same as observed and reported recently,
> though it occurs with _much_ less frequency: when doing an
> mmap-heavy operation over NFS (Netscape Mail compressing mail
> folders, for me), netscape gets stuck in disk wait state.
> Other attempts to access files on the same mount point ("cat
> ~/.bash_profile") similarly hang in disk wait.

> This happened to me on pre9-1 and now pre9-2 as well.

> Unfortunately it is not easily reproducable, and might be due
> to a race which appears only on SMP boxes.

Stuck in wait_on_page you mean? What does tcpdump say?

Cheers,
  Trond

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