Kernel Panic in Ubuntu 16.04 netboot installer

[Tim Gardner]

On 04/14/2016 05:49 AM, Dr. Johann Pfefferl wrote:
> Hello,
>
> we are working with the Ubuntu 16.04 developer preview. Yesterday we
> observed a kernel panic of the installer kernel on one of our machines.
> The machine is of type
>
> Supermicro X10DRH LN4/X10DRH-CLN4, BIOS s1.0b 12/01/2015
>
> We are installing the machine via PXEboot with the netboot installer
> system using the following kernel/initrd:
>
> dists/xenial/main/installer-amd64/20101020ubuntu446/images/netboot/ubuntu-installer/amd64/initrd.gz
> dists/xenial/main/installer-amd64/20101020ubuntu446/images/netboot/ubuntu-installer/amd64/linux
>
> When using this version the kernel crashes (see attached log file). We
> have also tried the version 447 instead of 446. This version shows
> the same effect.
>
> Some time ago we worked with the installer version 441. This release
> worked as expected.
>
> Someone out there knows what has changed? It seems that the kernel has a
> problem with the harddisk IO system. In our machine the mpt3sas disk
> controller is required to get access to the harddisks.
>
> If I should test some new stuff please let me know. Or if I can help you
> in some other way to solve this issue contact me.
>
> Thank you for your help
>    Dr. Johann Pfefferl
>
>
>

http://bugs.launchpad.net/bugs/1570441

-- 
Tim Gardner tim.gardner at canonical.com