Re: [gentoo-user] Panic at boot time after update kernel to 2.6.20-r8.

[David Harel <hareldvd@ergolight-sw.com>]

Thank you both Neil Bothwick andAlan McKinnon for the great help.


Got this one working now. Still many features arn't working yet such as 
alsa and wifi but I think I will make it now.

The driver I needed seem to be AHCI SATA.  Was rather difficult to 
identify that that is the right driver because lspci states:

00:1f.2 SATA controller: Intel Corporation 82801FBM (ICH6M) SATA 
Controller (rev 04)

and you can't find 82801 in .config
Also it seems to me that the driver should be statically loaded and not 
as a module (which now makes sense unless I could have changed things in 
modules.conf or similar).


May I suggest/encourage people to write summaries (such as was a custom 
in sun managers mailing list (sun.unc.edu?) so other people can learn 
and save time?




Alan McKinnon wrote:

> On Friday 11 May 2007, David Harel wrote:
>   
>> Sorry for not providing details (was sure people will identify the
>> problem in a glance).
>>
>>
>> Upgrade is from 2.6.17-r8
>>     
>
> OK, you seem to have run into the "Lets rip IDE out of the kernel and 
> replace it with ATA" thing that happened in 2.6.18...
>
> In menuconfig , under Drivers, there's a menu a little bit below the 
> IDE?MFM stuff. It's called SATA/PATA or similar. You will find 
> appropriate settings for your hardware there. I can't elabortae as I 
> don't know what you have, but you disk settings seem to be IDE
>
>
>   
>> Attached the panic message:
>>
>>
>> VFS: cannot open root  device sda1 or unknown block (0,0)
>>
>> please append a correct "root=" boot option.
>>
>> Kernel panic - not syncing: VFS: unable to mount root fs on unknown -
>> block (0,0)
>>     
>
> Please, please, please always quote the correct error messages and leave 
> your personal evaluation out of it. See how the above says absolutely 
> nothing about ext3? But your original post was all about that, and 
> without the actual error and .config, we would have spent hours trying 
> to get your fs working, when in fault it is not faulty...
>
>
>
>   

-- 
Regards.

David Harel,

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