Bug 81833 - CMD6xx ide-cd dma hang
Summary: CMD6xx ide-cd dma hang
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: kernel
Version: 8.0
Hardware: i386
OS: Linux
medium
high
Target Milestone: ---
Assignee: Arjan van de Ven
QA Contact: Brian Brock
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2003-01-14 15:27 UTC by Péter, Soós
Modified: 2007-04-18 16:49 UTC (History)
0 users

Fixed In Version: 9
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2003-05-05 11:13:25 UTC

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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)
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