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[Alberto Milone <alberto.milone@xxxxxxxxxxxxx>]

** Also affects: nvidia-graphics-drivers-384 (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: nvidia-graphics-drivers-384 (Ubuntu Artful)
   Importance: Undecided
       Status: New

** Also affects: nvidia-graphics-drivers-384 (Ubuntu Zesty)
   Importance: Undecided
       Status: New

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Xenial)
       Status: New => In Progress

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Zesty)
       Status: New => In Progress

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Artful)
       Status: New => In Progress

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Xenial)
   Importance: Undecided => High

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Zesty)
   Importance: Undecided => High

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Artful)
   Importance: Undecided => High

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Xenial)
     Assignee: (unassigned) => Alberto Milone (albertomilone)

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Zesty)
     Assignee: (unassigned) => Alberto Milone (albertomilone)

** Changed in: nvidia-graphics-drivers-384 (Ubuntu Artful)
     Assignee: (unassigned) => Alberto Milone (albertomilone)

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https://bugs.launchpad.net/bugs/1717151

Title:
  driver installation might not build initramfs then cause dark screen
  after switching to nvidia

Status in OEM Priority Project:
  Confirmed
Status in nvidia-graphics-drivers-384 package in Ubuntu:
  In Progress
Status in nvidia-graphics-drivers-384 source package in Xenial:
  In Progress
Status in nvidia-graphics-drivers-384 source package in Zesty:
  In Progress
Status in nvidia-graphics-drivers-384 source package in Artful:
  In Progress

Bug description:
  Note: without fix be landed , nvidia driver online update could be
  failed.

  nvidia-375.postinst not always build initramfs by default:
  "
          ALTERNATIVE=$(readlink /etc/alternatives/x86_64-linux-gnu_gl_conf)
          if [ "$ALTERNATIVE" = "/usr/lib/nvidia-375/ld.so.conf" ]; then
              # Update initramfs so that the blacklist ends up in the initramfs
              if [ -x /usr/sbin/update-initramfs ]; then
                  /usr/sbin/update-initramfs -u
  "

  it the case of user who are using intel then update driver from
  nvidia-375.20 to nvidia-375.82 will get screen dark after prime-select
  nvidia later.

  syslog:
  "
  NVRM: loading NVIDIA UNIX x86_64 Kernel Module 375.20 Tue Nov 15 16:49:10 PST 2016 (using threaded interrupts)
  ......
  NVRM: API mismatch: the client has the version 375.82, but
  NVRM: this kernel module has the version 375.20. Please
  NVRM: make sure that this kernel module and all NVIDIA driver
  NVRM: components have the same version.
  "

  The root cause is the nvidia kernel module in initramfs not be updated
  in this case.

  impacted issues:
  LP: #1653592

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