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Date: Fri, 5 Mar 2004 11:27:22 -0800 (PST)
From: Quiet Maks <qmaks@univer.omsk.su>
To: freebsd-gnats-submit@FreeBSD.org
Subject: boot loader waste a lot of time (10 min) while booting from hard disk
X-Send-Pr-Version: www-2.3

>Number:         63815
>Category:       i386
>Synopsis:       boot loader waste a lot of time (10 min) while booting from hard disk
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    remko
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 05 11:30:15 PST 2004
>Closed-Date:    Mon Jul 30 10:22:48 GMT 2007
>Last-Modified:  Mon Jul 30 10:22:48 GMT 2007
>Originator:     Quiet Maks
>Release:        5.2.1-RELEASE
>Organization:
>Environment:
>Description:
While booting from hard disk, after "FreeBSD/i386 bootstrap loader, Revision 1.1" starts, the loader hangs for a whiles until the kernel to be loaded.

>How-To-Repeat:
The reason is an attempt in i386/.../biosdisk.c to open hard disk each time when the file have to be read. If hard disk contains a recursive extended partition with wrong slice offset specification (prepared by another OS), the disk opening may cause the reading of a sector beyond hard disk limit. Such request is handled by BIOS for a some seconds, and been repeated multiple times, this situation dramatically delay a boot process.
>Fix:
Add a check of the requested sector to be in hard disk limit's inside the bd_read() function in the biosdisk.c, and do not perform BIOS read if the check fails.

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: remko 
State-Changed-When: Mon Sep 11 12:46:38 UTC 2006 
State-Changed-Why:  
Hello, 

A lot had changed since your report, is the problem you  
experienced still there on FreeBSD-6.1 ? 

Thanks 


Responsible-Changed-From-To: freebsd-i386->remko 
Responsible-Changed-By: remko 
Responsible-Changed-When: Mon Sep 11 12:46:38 UTC 2006 
Responsible-Changed-Why:  
grab the pr 

http://www.freebsd.org/cgi/query-pr.cgi?pr=63815 
State-Changed-From-To: feedback->closed 
State-Changed-By: linimon 
State-Changed-When: Mon Jul 30 10:22:28 UTC 2007 
State-Changed-Why:  
Feedback timeout (> 6 months). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=63815 
>Unformatted:
