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

 
 

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bug #6862: floppy controller disabled

Submitted by:  Daniele Zelante <zeldan>
Submitted on:  Sat 29 Nov 2003 05:46:44 PM UTC  
 
Category: Disk & PartitionSeverity: Major
Priority: 5 - NormalItem Group: Software Error
Status: FixedPrivacy: Public
Assigned to: Yoshinori K. Okuji <okuji>Originator Name: Daniele Zelante
Open/Closed: ClosedRelease: 0.93
Release: NoneReproducibility: 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>
Project AdministratorIn charge of this item.
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>
Project AdministratorIn charge of this item.
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>

 

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

Items that depend on this one: None found

 

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Follow 7 latest changes.

Date Changed By Updated Field Previous Value => Replaced By
Sat 13 Mar 2004 10:28:12 AM UTCokujiStatusRemind=>Fixed
  Open/ClosedOpen=>Closed
  Planned Release=>0.95
Sat 29 Nov 2003 06:21:45 PM UTCokujiCategoryBooting=>Disk & Partition
  StatusNone=>Remind
  Assigned toNone=>okuji
Sat 29 Nov 2003 05:46:44 PM UTCzeldanAttached File-=>Added grub-0.93-zeldan.patch, #888

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