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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):
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
This bug also appeared in the latest errata kernels for both RedHat Linux 7.x
It seems all CMD6xx chipset based machin affected by this bug.
It seems to work in RedHat Linux 9 with latest errata kernel (2.4.20-9)