From nobody@FreeBSD.ORG Tue Mar 30 05:13:13 1999
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Date: Tue, 30 Mar 1999 05:13:13 -0800 (PST)
From: david@inty.net
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To: freebsd-gnats-submit@freebsd.org
Subject: Kernel panic when writing to write-protected floppy disk
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>Number:         10870
>Category:       kern
>Synopsis:       Kernel panic when writing to write-protected floppy disk
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    eivind
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Mar 30 05:20:01 PST 1999
>Closed-Date:    Sun Apr 22 09:16:15 GMT 2007
>Last-Modified:  Sun Apr 22 09:16:15 GMT 2007
>Originator:     David Hedley
>Release:        3.1
>Organization:
Intelligent Network Technology Ltd
>Environment:
FreeBSD dopey.visint.co.uk 3.1-RELEASE FreeBSD 3.1-RELEASE #0: Mon Feb 15 11:08:08 GMT 1999     jkh@usw3.freebsd.org:/usr/src/sys/compile/GENERIC  i386

>Description:

Kernel panics when writing to the floppy disk if the disk is 
write-protected

message is:  panic: vinvalbuf: dirty bufs
>How-To-Repeat:
Boot machine
Log in as root
Insert formatted, write protected 1.44MB disk into drive.
Type: echo test >/dev/fd0
Warning messages are then printed on the screen, followed by kernel panic
>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->eivind 
Responsible-Changed-By: eivind 
Responsible-Changed-When: Sun Apr 11 18:23:17 PDT 1999 
Responsible-Changed-Why:  
I'll at least have a look at this. 

From: Alex Perel <veers@disturbed.net>
To: freebsd-gnats-submit@freebsd.org, david@inty.net
Cc:  
Subject: Re: kern/10870: Kernel panic when writing to write-protected floppy disk
Date: Sun, 11 Apr 1999 23:32:15 -0400

 I get these errors on a more-or-less pristine 3.1-RELEASE machine:
 
 # dd if=/dev/zero of=/dev/fd0 bs=1k count=1
 
 Jan  1 23:56:46 myname /kernel: fd0c: hard error writing fsbn 0 of 0-3
 (ST0 40<abnrml> ST1
 2<write_protect> ST2 0 cyl 0 hd 0 sec 1)
 Jan  1 23:56:46 myname /kernel: fd0c: hard error writing fsbn 0 of 0-3
 (ST0 40<abnrml> ST1
 2<write_protect> ST2 0 cyl 0 hd 0 sec 1)
 
 Same results on a 4.0-current machine, as of April 11th :)
 
 
 
 

From: David Kirchner <dpk@dpk.net>
To: bug-followup@FreeBSD.org, david@inty.net
Cc:  
Subject: Re: kern/10870: Kernel panic when writing to write-protected floppy disk
Date: Wed, 9 Nov 2005 17:33:21 -0800

 I can confirm on 4.x releases that writing to a write protected floppy
 does not cause panics. It generates the errors stated by Alex Perel. I
 think this bug has been fixed and can be closed.
State-Changed-From-To: open->closed 
State-Changed-By: linimon 
State-Changed-When: Sun Apr 22 09:15:41 UTC 2007 
State-Changed-Why:  
A later respondant noted that this problem did not exist on later versions. 
Since this PR is so ancient, close this PR. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=10870 
>Unformatted:
