Red Hat Bugzilla – Bug 52197
Cyrix 5530 Chipset has IDE problems with DMA enabled
Last modified: 2007-04-18 12:36:06 EDT
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Description of problem:
A system containing the CS5530 chipset experiences IDE-related problems
(anaconda unable to start from CD, DMA timeouts on heavy HD activity) when
DMA is enabled. With DMA disabled (with either "ide=nodma" or via hdparm
-d 0), the problems disappear.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1.Attempt to boot from the 7.1 CD
Actual Results: Anaconda under X would never start. Complained about
corrupt shared libraries.
Expected Results: Anaconda should have started under X. Booting with
ide=nodma allows this to happen.
This was with the updated 7.1 kernel (2.4.3-12) I'll attach a file
containing dmesg output and select entries from /proc/ide...
Created attachment 28754 [details]
dmesg output and /proc/ide information