Fedora Core 5 common issues and bugs

[Richard Hally]

Peter Jones wrote:
> On Wed, 2006-03-29 at 05:49 -0500, Alan Cox wrote:
>> On Tue, Mar 28, 2006 at 02:31:19PM -0800, Schlaegel wrote:
>>> This presents the obvious question: why don't we just check the iso on
>>> the media instead of the media itself, and thus remove this long
>>> standing problem.
>> If we wanted to do that we would need to do it by walking the mounted iso
>> file system. The moment we deal with the raw device the kernel starts treating
>> it as a device not a file system so we get readehead into the twilight zone.
>>
>> However I'm glad you asked because you've made me realise we may have the bits
>> to deal with this as of FC4/5. Specifically we could use the device mapper to
>> create an ISO sized mapping of the relevant chunk of the CD and check that...
>>
>> That might just work
> 
> I'm certainly willing to try this...
> 
> ... but we still have a lingering problem with dm where *it* tries to
> read off the end of its underlying devices.
> 
> But seriously, somebody tell me a drive make and model, media
> manufacturer, cdrecord (or other tool) command line, and FC5 disc number
> that reliably has this failure, and I'll be happy to try this or any
> other idea people have to fix it.
> 
This may or may not be related but it has the same(ide=nodma) workaround:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=187203

entered last night. The h/w is pretty generic. If you need more details 
of the h/w, let me know. the media is Memorex CD-RW 700MB.

Richard