Re: No joy on "standard" PC

[Gary Thomas <gary@mlbassoc.com>]

On 01/28/2011 07:43 AM, Bruce Ashfield wrote:
> On Fri, Jan 28, 2011 at 9:31 AM, Gary Thomas<gary@mlbassoc.com>  wrote:
>> On 01/28/2011 07:28 AM, Gary Thomas wrote:
>>>
>>> On 01/27/2011 03:23 PM, Gary Thomas wrote:
>>>>
>>>> On 01/27/2011 05:47 AM, Gary Thomas wrote:
>>>>>
>>>>> On 01/26/2011 08:30 PM, Darren Hart wrote:
>>>>>>
>>>>>> On 01/26/2011 04:13 PM, Gary Thomas wrote:
>>>>>>>
>>>>>>> On 01/26/2011 05:02 PM, Darren Hart wrote:
>>>>>>>>
>>>>>>>> On 01/26/2011 02:07 PM, Gary Thomas wrote:
>>>>>>>>>
>>>>>>>>> On 01/26/2011 02:26 PM, Darren Hart wrote:
>>>>>>>>>>
>>>>>>>>>> On 01/26/2011 05:43 AM, Gary Thomas wrote:
>>>>>>>>>>>
>>>>>>>>>>> I finally got Poky to build for a standard PC (actually atom-pc
>>>>>>>>>>> so I could build a live/bootable image). Sadly, that's all I
>>>>>>>>>>> have is an image as I can't get it to run anywhere :-(
>>>>>>>>>>>
>>>>>>>>>>> * On my laptop (the point of this exercise) which is an older
>>>>>>>>>>> Pentium-III machine, the kernel crashes almost immediately.
>>>>>>>>>>
>>>>>>>>>> Can you capture the output and provide some details on the
>>>>>>>>>> hardware?
>>>>>>>>>
>>>>>>>>> Hard to do - I took pictures of the screen with my camera, the
>>>>>>>>> results
>>>>>>>>> may help, but won't win me a Pulitzer :-)
>>>>>>>>>
>>>>>>>>> On the AMD/2800+
>>>>>>>>> http://www.mlbassoc.com/poky/BootFailures/P1000630.JPG
>>>>>>>>> On the old Pentium-III laptop
>>>>>>>>> http://www.mlbassoc.com/poky/BootFailures/P1000631.JPG
>>>>>>>>
>>>>>>>> Failing to mount the root partition either due to missing drivers for
>>>>>>>> the block device or the filesystem. You said this was MACHINE=atom-pc
>>>>>>>> and poky-image-sato-live? And you're
>>>>>>>> booting using the .iso image burned to a CD?
>>>>>>>
>>>>>>> Correct.
>>>>>>>
>>>>>>>>
>>>>>>>>> http://www.mlbassoc.com/poky/BootFailures/P1000632.JPG
>>>>>>>>
>>>>>>>> Too late, missed the good bits. I suspect the two above are adequate.
>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> * On my brand new laptop (Core-i3), I couldn't get it to even
>>>>>>>>>>> try...
>>>>>>>>>>
>>>>>>>>>> What happened? Some bios are very particular about usb layout, see
>>>>>>>>>> README.hardware under atom-pc. Some (including my netbook) require
>>>>>>>>>> that it be in USB-ZIP format, so you can't just dd the image to
>>>>>>>>>> the stick in some cases (unfortunately).
>>>>>>>>>
>>>>>>>>> My boot medium is a CD-RW with the ISO image.
>>>>>>>>> Not sure why it didn't want to boot before, but when I just retried
>>>>>>>>> it, it hung in yet a different way.
>>>>>>>>> http://www.mlbassoc.com/poky/BootFailures/P1000629.JPG
>>>>>>>>
>>>>>>>> If I'm reading this one correctly, it's failing to boot from the USB
>>>>>>>> device and later detects another drive (My Passport) which has
>>>>>>>> something other than a standard ext[23]
>>>>>>>> filesystem on the first partition.
>>>>>>>
>>>>>>> Same boot CD as above - I'm not sure what it's up to at this point.
>>>>>>
>>>>>> Check the .config in the linux-yocto build directory, does it have
>>>>>> CONFIG_ISO9660_FS set?
>>>>>
>>>>> Nope :-(
>>>>> $ grep ISO9660
>>>>>
>>>>> tmp/work/atom-pc-poky-linux/linux-yocto-stable-2.6.34+git0+e1f85a470934a0cf6abde5d95533e74501822c6b_0+72ca49ab08b8eb475cec82a10049503602325791-r1/linux-atom-pc-standard-build/.config
>>>>>
>>>>>
>>>>> # CONFIG_ISO9660_FS is not set
>>>>>
>>>>> I'll try forcing this and rebuild to test.
>>>>
>>>> I've tried this, but I didn't see any change. Perhaps I didn't
>>>> do it correctly. Since all I wanted was to update the kernel
>>>> with a different configuration, here are the steps I executed:
>>>> ... adjust config using makeconfig
>>>> % rm -f sstate-cache/sstate-linux-yocto-stable-atom-pc*
>>>> % bitbake virtual/kernel -f -c compile
>>>> % bitbake poky-image-minimal-live
>>>>
>>>> Any other ideas?
>>>
>>> Still no joy booting from CD. I did boot the HDD image on
>>> multiple systems and it runs just fine. The exact same ISO
>>> on those hardware still fails.
>>>
>>
>> BTW, the kernel config file I used (after running menuconfig)
>> is attached.
>>
>> How/what can I diff to send a patch, once I get a working
>> kernel configuration?
>
> The location differs between the 2.6.34 and 2.6.37 kernel (since things
> are being generalized).
>
> You'll find the base configuration for the atom-pc in 2.6.34 in your
> 'linux-yocto-stable-2.6.34+git0+e1f85a470934a0cf6abde5d95533e74501822c6b_0+72ca49ab08b8eb475cec82a10049503602325791-r1/linux'
> (that's a mouthful) directory.  On the wrs_meta branch.
>
> Then you'll find: wrs/cfg/kernel-cache/bsp/atom-pc/boot-live.cfg
>
> If you send a diff against that, we can merge and make the change
> permanent (assuming it is suitable for general use).

This now bug #686 (http://bugzilla.pokylinux.org/show_bug.cgi?id=686)

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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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