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Bug 81833

Summary: CMD6xx ide-cd dma hang
Product: [Retired] Red Hat Linux Reporter: Péter, Soós <sp>
Component: kernelAssignee: Arjan van de Ven <arjanv>
Status: CLOSED CURRENTRELEASE QA Contact: Brian Brock <bbrock>
Severity: high Docs Contact:
Priority: medium    
Version: 8.0   
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard:
Fixed In Version: 9 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2003-05-05 11:13:25 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Description Péter, Soós 2003-01-14 15:27:39 UTC
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; hu-HU; rv:1.2) Gecko/20021206

Description of problem:
HP OmniBook 500 have a docking bay with optional CD or DVD device. Ide dma mode
do not work on these drives. If you enable dma mode the laptop hangs. There is a
patch for it at URL ftp://gsyprf10.external.hp.com/kernels/ob500/diff.idecd-dma

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Boot with RedHat kernel
2. Enable DMA mode for CD-ROM


Actual Results:  System hang.

Expected Results:  DMA mode works well

Additional info:

Comment 1 Péter, Soós 2003-02-10 16:04:45 UTC
This bug also appeared in the latest errata kernels for both RedHat Linux 7.x
and 8.0.

Comment 2 Péter, Soós 2003-04-09 15:39:42 UTC
It seems all CMD6xx chipset based machin affected by this bug.

Comment 3 Péter, Soós 2003-05-05 11:13:25 UTC
It seems to work in RedHat Linux 9 with latest errata kernel (2.4.20-9)