bugGNU GRUB - Bugs: bug #6862, floppy controller disabled

 
 

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bug #6862: floppy controller disabled

Submitter:  Daniele Zelante <zeldan>
Submitted:  Sat 29 Nov 2003 05:46:44 PM UTC
   
 
Category:  Disk & Partition Severity:  Major
Priority:  5 - Normal Item Group:  Software Error
Status:  Fixed Privacy:  Public
Assigned to:  okuji Originator Name:  Daniele Zelante
Open/Closed:  Closed Release:  None
Release:  0.93 Reproducibility:  Every Time
Planned Release:  None

Sat 13 Mar 2004 10:28:12 AM UTC, comment #3: 

I've applied your patch. Thank you.

Yoshinori K. Okuji <okuji>
Group administrator
Sun 30 Nov 2003 05:50:28 PM UTC, comment #2: 

It works correctly on my hardware.
I did not test it on any other hardware.
The original code writes directly to I/O register and disables floppy controller.
INT 13 AH=00H resets disk controller, and so it turns motor off, but it not disables the controller.
The purpose of the function stop_floppy is to set the controller in a known state for the O.S. to be booted, so I think that resetting the controller is correct.
A similar patch has also been applied on lilo-22.5.8 file 'second.S' lines 1673-1680

Daniele Zelante <zeldan>
Sun 30 Nov 2003 04:29:47 PM UTC, comment #1: 

Do you have any confidence that your patch is correct? As far as I see, INT 13 AH=00H is specified that it resets a disk controller, but not that it stops a disk controller.

Okuji

Yoshinori K. Okuji <okuji>
Group administrator
Sat 29 Nov 2003 05:46:44 PM UTC, original submission:  

Using GRUB on an ASUS P4T-E results in disabling floppy disk controller.

Daniele Zelante <zeldan>

 

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Attached Files
file #894:  grub-0.93-zeldan.patch added by zeldan (494B - application/octet-stream - patch to correct this error)

 

Depends on the following items: None found

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Follow 7 latest changes.

Date Changed by Updated Field Previous Value => Replaced by
2004-03-13 okuji StatusRemind Fixed
    Open/ClosedOpen Closed
    Planned Release 0.95
2003-11-29 okuji CategoryBooting Disk & Partition
    StatusNone Remind
    Assigned toNone okuji
2003-11-29 zeldan Attached File- Added grub-0.93-zeldan.patch, #888

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