On 05/24/16 09:54, Christian Hesse wrote:
> Christian Hesse <[email protected]> on Tue, 2016/05/24 14:35:
>> Hello everybody,
>>
>> with my latest builds I see a regression on pxe boot with nbd. About 50% of
>> boots fail. The nbd module is loaded, nbd-client attaches the device, but
>> mount fails:
>>
>> mount: you must specify the filesystem type
>> ERROR; Failed to mount '/dev/nbd0'
>>    Falling back to interactive prompt
>>    You can try to fix the problem manually, log out when you are finished
>>
>> A simple mount allows to continue boot:
>>
>> mount /dev/nbd0 /run/archiso/bootmnt/
>> <Ctrl>-d
>>
>> My guess is that linux 4.6 introduced a race condition. Any idea how to fix
>> or handle this?
> 
> Looks like adding a boot parameter
> 
> nbd.nbds_max=2
> 
> fixes this (or makes it a lot less likely to happen). However this is still
> more of a workaround...
> 

Hi Christian

Did you try booting with earlymodules=nbd if goes better?

Thanks for doing a good job here.



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