[Bug 1784454] Re: kernel panic on booting kernel 4.4 based d-i from 16.04.5 RC image

[Carla Sella]

Same problem installing http://cdimage.ubuntu.com/ubuntu-
server/xenial/daily/20180730.2/xenial-server-amd64.iso on Virtualbox VM.

** Attachment added: "VM-Screenshot"
   https://bugs.launchpad.net/ubuntu-z-systems/+bug/1784454/+attachment/5169673/+files/VirtualBox_UbuntuSrvTest_30_07_2018_21_50_16.png

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Title:
  kernel panic on booting kernel 4.4 based d-i from 16.04.5 RC image

Status in Ubuntu on IBM z Systems:
  New
Status in debian-installer package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Triaged
Status in systemd package in Ubuntu:
  New

Bug description:
  Booting d-i based on kernel 4.4 (from ./boot folder) from the 16.04.5 RC image on a z/VM guest
  leads to a kernel panic:

  /lib/debian-installer/start-udev: line 15: can't create /sys/module/scsi_mod/par
  ameters/scan: Permission denied 
  ¬    0.845071| Kernel panic - not syncing: Attempted to kill initÜ exitcode=0x00
  000100 
  ¬    0.845071|  
  ¬    0.845075| CPU: 0 PID: 1 Comm: /init Not tainted 4.4.0-131-generic #157-Ubun
  tu 
  ¬    0.845077|        000000007d107c20 000000007d107cb0 0000000000000002 0000000
  000000000  
         000000007d107d50 000000007d107cc8 000000007d107cc8 0000000000114732  
         000000000000008b 00000000009a304c 00000000009f11d0 000000000000000b  
         000000007d107d10 000000007d107cb0 0000000000000000 0000000000000000  
         0400000001cdf800 0000000000114732 000000007d107cb0 000000007d107d10  
  ¬    0.845089| Call Trace: 
  ¬    0.845093| (¬<000000000011461a>| show_trace+0xfa/0x150) 
  ¬    0.845095|  ¬<00000000001146e2>| show_stack+0x72/0xf8 
  ¬    0.845099|  ¬<0000000000555752>| dump_stack+0x82/0xb8 
  ¬    0.845101|  ¬<0000000000286390>| panic+0x108/0x250 
  ¬    0.845104|  ¬<0000000000166228>| do_exit+0xac0/0xba0 
  ¬    0.845106|  ¬<00000000001663c8>| do_group_exit+0x50/0xe0 
  ¬    0.845108|  ¬<0000000000166488>| __wake_up_parent+0x0/0x28 
  ¬    0.845111|  ¬<00000000007eadda>| system_call+0xee/0x28c 
  ¬    0.845113|  ¬<000003ff8953983a>| 0x3ff8953983a 
  00: HCPGIR450W CP entered; disabled wait PSW 00020001 80000000 00000000 0010F8CA

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