From: Trond Myklebust <trond.myklebust@fys.uio.no>
Subject: Re: Re: [PATCH] 2.4.19-pre10 RPC changes...
Date: Mon, 8 Jul 2002 14:53:18 +0200
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To: "Lever, Charles" <Charles.Lever@netapp.com>
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On Tuesday 02 July 2002 19:59, Lever, Charles wrote:

> yes.  fix_refresh + fix_kmap1 hangs under stress on my system.
>
> i can reproduce this with "make -j2 bzImage" in one window
> and "bonnie" in a loop in another.  both cwd's are in the
> same TCP-mounted NFS file system.

Is this with CONFIG_HIGHMEM set (you didn't specify your .config) and does it 
only happen on TCP mounts? If so, then the appended bugfix might help...

Cheers,
  Trond

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--- linux-2.4.19-fix_kmap1/net/sunrpc/xdr.c.orig	Sun Jul  7 16:38:34 2002
+++ linux-2.4.19-fix_kmap1/net/sunrpc/xdr.c	Mon Jul  8 14:48:37 2002
@@ -239,11 +239,11 @@
 		return;
 	if (base || xdr->page_base) {
 		pglen -= base;
+		base  += xdr->page_base;
 		ppage += base >> PAGE_CACHE_SHIFT;
 	}
 	for (;;) {
 		flush_dcache_page(*ppage);
-		flush_page_to_ram(*ppage);
 		kunmap(*ppage);
 		if (pglen <= PAGE_CACHE_SIZE)
 			break;

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