[K12OSN] K12LTSP 5.0.0 Release Candidate #4

Eric Harrison eharrison at mail.mesd.k12.or.us
Thu Aug 3 17:59:39 UTC 2006


Eric Harrison wrote:
> Edward Holcroft wrote:
>>>>> At the BGC of Hawaii, I just updated our FC3-based install.  Yes,
>>>>> after more than two years of heavy teenage use, this lab is still
>>>>> chugging.  I did a clean install of K12LTSP5rc1, and all but two of
>>>>> the clients rebooted with the following message
>>>>>
>>>>> RAMDISK: Couldn't find valid RAM disk image starting at 0.
>>>>> Kernel panic - not syncing: VFS: Unable to mount root fs on
>>>>> unknown-block(1,0)
>>>>>
>>>>> What's perplexing is that all the clients are in the same switch and
>>>>> are the same architecture.  I am updating the packages tonight, but
>>>>> as it stands the default install has some issues.
>>>>>
>>>> I am getting this same error and will be very interested to know how
>>>> you solve it. Will run a yum update today to see if that resolves
>>>> anything. I found that it occurs on clients with rtl8139 etherboot
>>>> cards. My 3c905 PXE cards work fine.
>>>>
>>> Just did a yum update to RC4 but I am still getting the error. Same
>>> error with different types of clients from P1's through to P3's. The
>>> only consistent component is the rtl8139 NIC, which seems consistently
>>> to produce the kernel panic. Tried a whole bunch of cards too, so it's
>>> not just one bad card producing an error. These same clients all boot
>>> just fine off a 4.4.1 server.
>>>
>> Apologies for replying to myself, but I have just tested a thin client
>> with Etherboot running on a natsemi 83815 and RC4. It idisplays the same
>> issue. I have an Intel Pro100 and a Via Rhine that work happily on RC4
>> using the same client boxes, so I can rule out the clients as the root
>> of the problem, as well as a specific rtl8139 issue.
>>
>> I am using 5.0.7 and 5.0.10 of Etherboot on these NICs. Is there a
>> chance that the older Etherboot is incompatible with the 2.6 LTSP kernel?
>>
>> cheers
>> ed
>>
> 
> 
> I don't think it is etherboot, I think it is the kernel.
> 
> 
> Jim and I were chatting last night... there is a slight difference
> between the LTSP and the K12LTSP kernels, we decided that probably would
> not be an issue. Famous last words ;-)
> 
> We have one terminal here that won't boot off the K12LTSP kernel, but
> does with the LTSP kernel. I get the same error you have reported.
> 
> So, I'll rebuild the K12LTSP kernel package and we'll see if that solves
> the problem. I should have it done within an hour or so.
> 
> -Eric
> 

A new ltsp_i386-boot package has been added to the repositories.

Give this a spin & let us know how it goes...

-Eric




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