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[Jeb Rosen <jebrosen2014@xxxxxxxxx>]

I am experiencing the same issue on the related Lenovo Y700-15ISK (same
machine, 15" version) with Xubuntu 16.04.

This seems to be an issue in grub, not related to the kernel. The error
message string is from grub-core/disk/i386/pc/biosdisk.c in GRUB2. As
far as I can understand the code, the BIOS returns some kind of failure
code when GRUB attemps to write to the disk during the recordfail
command.

Deleting /boot/grub/grubenv works for one reboot, but it is recreated
every boot.

After some troubleshooting I have arrived at a workaround: edit
/etc/grub.d/00_header and comment out the line "set have_grubenv=true".
Disabling this line "tricks" grub into thinking grubenv is missing, so
it never tries to write the recordfail data and no error message is
displayed. I'm sure there are drawbacks to this, especially if the menu
is skipped by default, but I always have a menu shown for dual-boot so
I'm not too worried about that.

I have no idea what's happening that causes the write to fail and don't
know how to, for example, print the exact error code from the BIOS. The
boot device is a 512GB M.2 SSD, if that helps at all.

** Also affects: grub2 (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1553687

Title:
  Lenovo Y700-17ISK Boot Error: Failure writing sector 0x21c8800 to
  'hd0'

Status in grub2 package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Expired

Bug description:
  Lenovo Y700-17ISK (Intel Core i7-6700HQ/RAM 16GB/SSD 512GB/Nvidia GTX960M 4GB)
  Operating system: Ubuntu 16.04 (xenial-desktop-amd64.iso 04-Mar-2016, kernel 4.4.0-10-generic, nvidia 361.28)

  Boot Error:
  failure writing sector 0x21c8800 to 'hd0'
  press any key to continue...

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-10-generic 4.4.0-10.25
  ProcVersionSignature: Ubuntu 4.4.0-10.25-generic 4.4.3
  Uname: Linux 4.4.0-10-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  aljosa     1776 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Mar  6 11:11:22 2016
  HibernationDevice: RESUME=UUID=ac022671-63df-40ae-bffe-66fff3b35125
  InstallationDate: Installed on 2016-03-05 (0 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160304)
  MachineType: LENOVO 80Q0
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-10-generic.efi.signed root=UUID=aa4325c4-4b4c-4372-b8ca-a66c3e5b2aa6 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-10-generic N/A
   linux-backports-modules-4.4.0-10-generic  N/A
   linux-firmware                            1.156
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/31/2016
  dmi.bios.vendor: LENOVO
  dmi.bios.version: CDCN30WW
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: Allsparks 7A
  dmi.board.vendor: LENOVO
  dmi.board.version: NO DPK
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo ideapad Y700-17ISK
  dmi.modalias: dmi:bvnLENOVO:bvrCDCN30WW:bd01/31/2016:svnLENOVO:pn80Q0:pvrLenovoideapadY700-17ISK:rvnLENOVO:rnAllsparks7A:rvrNODPK:cvnLENOVO:ct10:cvrLenovoideapadY700-17ISK:
  dmi.product.name: 80Q0
  dmi.product.version: Lenovo ideapad Y700-17ISK
  dmi.sys.vendor: LENOVO

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