Bug 477985 – incorrect ioctl use causes tool abort

Bug 477985 - incorrect ioctl use causes tool abort

Summary:	incorrect ioctl use causes tool abort

Status:	CLOSED NOTABUG

Aliases:	None

Product:	Fedora
Classification:	Fedora
Component:	hdparm (Show other bugs)
Sub Component:
Version:	10
Hardware:	All Linux

Priority	low Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Karsten Hopp
QA Contact:	Fedora Extras Quality Assurance
Docs Contact:

URL:
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Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2008-12-26 18:27 EST by John Mellor
Modified:	2008-12-29 15:30 EST (History)
CC List:	1 user (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2008-12-29 15:30:34 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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Description John Mellor 2008-12-26 18:27:00 EST

Description of problem:
hdparm is incorrectly coded for use in F10, as shown by the following output:
# hdparm -d --direct /dev/sda
/dev/sda:
 HDIO_GET_DMA failed: Inappropriate ioctl for device


Version-Release number of selected component (if applicable):
hdparm-8.6-1.fc9.i386


How reproducible:
every time


Steps to Reproduce:
1.see above

  
Actual results:
ioctl usage error


Expected results:
hdparm functionality, as documented.


Additional info:

Comment 1 Karsten Hopp 2008-12-29 15:30:34 EST

You can't use hdparm to set DMA mode on SCSI devices or scsi emulated devices.
AFAIK DMA is enabled per default for most hard disks with the exception of some blacklisted disks. hdparm can't tell you if SCSI devices have DMA enabled or disabled, but maybe sdparm can do that.

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