Re: [Bug #14622] Second IDE device not found

[Zeno Davatz]

On Thu, Nov 19, 2009 at 9:05 PM, David Miller <davem@xxxxxxxxxxxxx> wrote:
> From: "Rafael J. Wysocki" <rjw@xxxxxxx>
> Date: Mon, 16 Nov 2009 23:37:47 +0100 (CET)
>
>> This message has been generated automatically as a part of a report
>> of recent regressions.
>>
>> The following bug entry is on the current list of known regressions
>> from 2.6.31.  Please verify if it still should be listed and let me know
>> (either way).
>>
>>
>> Bug-Entry     : http://bugzilla.kernel.org/show_bug.cgi?id=14622
>> Subject               : Second IDE device not found
>> Submitter     : Zeno Davatz <zdavatz@xxxxxxxxx>
>> Date          : 2009-11-11 17:31 (6 days old)
>> References    : http://marc.info/?l=linux-kernel&m=125796105822353&w=4
>
> We're going to need more information to diagnose this.
>
> And linux-ide should have been at least CC:'d from the very
> beginning.
>
> From what I can discern the problem is introduced somewhere between
> 2.6.27 and 2.6.31, you have a Serverworks CSB5 and primarily the issue
> is that attaching or detaching your CD-ROM driver influences whether
> both of your disks are properly detected.  Correct?
>
> You seem to have played around with using the IDE layer vs. the
> ATA layer.  Can you see any difference in behavior if you try
> using just the IDE layer vs. just the ATA layer with the 2.6.31
> kernel?

Please see:

http://www.flickr.com/photos/zrr/4118682747/

and

http://www.flickr.com/photos/zrr/4119453092/

I makes no difference if I choose ATA or only IDE.

I am also attaching you my Kernel .config

I could also test with 2.6.32-rc8 (torvalds-git)

I suggest you send me two .config that I can both test with 2.6.31.6

Thank you for your Feedback.

Best
Zeno

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