svn commit: r225728 - stable/8/sys/kern

[Attilio Rao]

Author: attilio
Date: Thu Sep 22 11:07:11 2011
New Revision: 225728
URL: http://svn.freebsd.org/changeset/base/225728

Log:
  MFC r225516:
  Return ENOSPC rather than ENXIO when dump_write() cannot proceed in
  order to correctl deal with consumers.
  
  Sponsored by:	Sandvine Incorporated

Modified:
  stable/8/sys/kern/kern_shutdown.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/kern/kern_shutdown.c
==============================================================================
--- stable/8/sys/kern/kern_shutdown.c	Thu Sep 22 10:52:14 2011	(r225727)
+++ stable/8/sys/kern/kern_shutdown.c	Thu Sep 22 11:07:11 2011	(r225728)
@@ -712,8 +712,11 @@ dump_write(struct dumperinfo *di, void *
 
 	if (length != 0 && (offset < di->mediaoffset ||
 	    offset - di->mediaoffset + length > di->mediasize)) {
-		printf("Attempt to write outside dump device boundaries.\n");
-		return (ENXIO);
+		printf("Attempt to write outside dump device boundaries.\n"
+	    "offset(%jd), mediaoffset(%jd), length(%ju), mediasize(%jd).\n",
+		    (intmax_t)offset, (intmax_t)di->mediaoffset,
+		    (uintmax_t)length, (intmax_t)di->mediasize);
+		return (ENOSPC);
 	}
 	return (di->dumper(di->priv, virtual, physical, offset, length));
 }