Date: Fri, 16 Oct 1998 21:36:26 -0700 From: "Jordan K. Hubbard" <jkh@time.cdrom.com> To: current@FreeBSD.ORG Subject: The "cross device link" bug people have been seeing on newfs Message-ID: <17780.908598986@time.cdrom.com>
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Neither David, Mike nor myself have any idea why this is currently
happening or why it apparently did not happen 3 days ago, but in the
meantime I've come up with a work-around that appears to do the trick
(according to Ulf, the first tester to respond, anyway). I've
re-rolled the boot.flp on ftp.cdrom.com and, for consistency's sake,
will also reroll the src and bin distributions so that newfs is
updated in all locations. The fixed bits will also go out on the
CDROM since I haven't built that yet.
Those who have already installed 3.0-RELEASE can either cvsup themselves
up to date to get the fix in or simply apply the following patch:
RCS file: /home/ncvs/src/sbin/newfs/newfs.c,v
retrieving revision 1.25
retrieving revision 1.26
diff -u -r1.25 -r1.26
--- newfs.c 1998/09/30 07:53:52 1.25
+++ newfs.c 1998/10/17 04:19:29 1.26
@@ -601,8 +601,10 @@
if (realsectorsize != DEV_BSIZE)
pp->p_size /= realsectorsize /DEV_BSIZE;
#endif
+#if 0 /* XXX this shouldn't fail, but it returns ENXDEV right now - pure workaround, this */
if (!Nflag && bcmp(pp, &oldpartition, sizeof(oldpartition)))
rewritelabel(special, fso, lp);
+#endif
if (!Nflag)
close(fso);
close(fsi);
Again, we've no idea why rewriting the label causes this bug in the
first place and this is a WORK-AROUND until we do. Not rewriting the
lable doesn't (shouldn't) hurt in any case since we don't use the
fields it updates right now, at least not in any typical
disklabel/newfs scenario.
- Jordan
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