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User-Agent: Mozilla/4.0 (compatible; MSIE 5.01; Windows NT)
Description of problem:
When using a CD-ROM 52x LG CRD8522 B on a ServerWorks chipset (e.g. Grand
Champion LE ServerSet, ServerSet III HE-SL, ServerSet III LE) with RedHat 7.3
(default i686 kernel, versions 2.4.18-3 / 2.4.18-5) the
command 'mount /dev/cdrom' leads to the following message:
ide-floppy driver 0.99.newide
hda: ATAPI 52x CD-ROM drive, 128 kB Cache, DMA
Serverworks OSB4 in impossible state.
Disable UDMA or if you are using Seagate then try switching disk types
on this controller. Please report this event to firstname.lastname@example.org
OSB4: continuing might cause disk corruption
Afterwards the server hangs, the keyboard is dead. The error occurs independant
of Bios settings for the ATA port, even without DMA. It does not occur using
RedHat 7.2 or SuSE 8.0. Other CD-ROMs do work properly.
This error has been reported to LG as well.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. problem occured on any installation with default kernel, independant of
harddisk configuration or packages installed
Does this still happen if you disable dma on the cdrom with
hdparm -d 0 /dev/hdX
(where X is the letter of the ide interface)
When DMA is disabled using hdparm the CD can be mounted. Nevertheless it should
work with DMA as it does with other CD-ROMs and with RedHat 7.2, doesn't it.
Thanks for the bug report. However, Red Hat no longer maintains this version of
the product. Please upgrade to the latest version and open a new bug if the problem
The Fedora Legacy project (http://fedoralegacy.org/) maintains some older releases,
and if you believe this bug is interesting to them, please report the problem in
the bug tracker at: http://bugzilla.fedora.us/