[bug #6378] Harmless error when the Hurd is on extended partition

[nobody]

=================== BUG #6378: FULL BUG SNAPSHOT ===================
http://savannah.gnu.org/bugs/?func=detailbug&bug_id=6378&group_id=30

Submitted by: ogi                     Project: The GNU Hurd                 
Submitted on: Wed 11/05/2003 at 17:45
Category:  None                       Severity:  5 - Major                  
Priority:  None                       Bug Group:  None                      
Resolution:  None                     Assigned to:  None                    
Originator Name:                      Originator Email:                     
Status:  Open                         Reproducibility:  Every Time          
Size (loc):  None                     Effort:  0.00                         

Summary:  Harmless error when the Hurd is on extended partition

Original Submission:  Quote from: 
http://www.geocrawler.com/mail/msg.php3?msg_id=2377359&list=332



FROM: OKUJI Yoshinori

DATE: 06/28/1999 01:28:51

SUBJECT: RE:  hd error during bootstrap



 

From: "Momchil `Velco` Velikov" <<EMAIL: PROTECTED>>

Subject: hd error during bootstrap

Date: Sun, 27 Jun 1999 15:29:24 +0300



> hd01: bad access : block=28, count=2, blockend=30, nr_sects=2

> end_request: I/O error, dev 03:01, sector  28

> Hit boot to return...

> (serverboot): Running without any paging



  Thanks for the clue. This seems to be due to a bug in Hurd but not in Mach. 
The Linux partition handling code (genhd.c in gnumach) sets NR_SECTS to 2 if 
NR_SECTS of an extended partition is more than 2, because normal programs 
should not use any extended partition. An extended partition should be used 
only to put logical partitions into it. Therefore, I suspect that serverboot 
(and/or other program in Hurd) tries to read 2 sectors starting at 28 from any 
partition, whether it is an extended partition or not.



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