Date: Fri, 12 Aug 2005 11:55:12 -0700 From: "Gary W. Swearingen" <garys@opusnet.com> To: FreeBSD-gnats-submit@FreeBSD.org Subject: docs/84849: [patch] fdisk(8) manpage doesn't warn fdisk doesn't read disk Message-ID: <tffytfyohb.ytf@mail.opusnet.com> Resent-Message-ID: <200508121900.j7CJ0Th9034307@freefall.freebsd.org>
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>Number: 84849 >Category: docs >Synopsis: [patch] fdisk(8) manpage doesn't warn fdisk doesn't read disk >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-doc >State: open >Quarter: >Keywords: >Date-Required: >Class: doc-bug >Submitter-Id: current-users >Arrival-Date: Fri Aug 12 19:00:29 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Gary W. Swearingen >Release: FreeBSD 5.4-RELEASE i386 >Organization: none >Environment: n/a >Description: The fdisk(8) manpage doesn't warn that fdisk doesn't read the disk, but instead uses "in-core disklabel". >How-To-Repeat: n/a >Fix: Put a warning in the BUGS section. --- fdisk..orig.8 Sat Aug 6 15:12:37 2005 +++ fdisk.8 Sat Aug 6 15:35:38 2005 @@ -455,3 +455,11 @@ The .Xr bsdlabel 8 command must be used for this. +.Pp +The program uses the kernel's knowledge of important disk information +(AKA +.Qq in-core disklabel ) , +so the program can behave unexpectedly if this information is changed +on the disk without the kernel's knowledge, as is commonly done using, +for example, +.Ic "dd if=/dev/zero of=/dev/fd0 count=1" . >Release-Note: >Audit-Trail: >Unformatted:
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