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

[Zeno Davatz]

On Fri, Nov 20, 2009 at 9:41 AM, Jeff Garzik <jeff@xxxxxxxxxx> wrote:
> On 11/20/2009 02:59 AM, Zeno Davatz wrote:
>>
>> 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/
>
> Unfortunately, both of these photos only show that MD (block major 9) device
> could not be found for root.
>
> For either ATA or IDE, we would need to see full dmesg somehow -- perhaps
> capturing serial console output?  (Documentation/serial-console.txt)

Ok, I appended

console=ttyS1,9600 console=tty0

to the kernel command line at lilo after choosing the kernel image and
I get a ton of output. But how to I save the output to a file?

>> 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
>
> I bet libata fails because CONFIG_BLK_DEV_SD is not enabled.  Probably want
> to enable CONFIG_BLK_DEV_SR too, for libata CD-ROM support.  I would be
> interested to see your failing ATA config, with IDE disabled.

I enabled CONFIG_BLK_DEV_SR. Do you want above test with or without

CONFIG_BLK_DEV_SVWKS (OSB4/CSB5) enabled?

Best
Zeno
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