You have been subscribed to a public bug by Rik Mills (rikmills):

SRU Justification

Impact: Many users are reporting issues with bios corruption with 17.10.
This seems to stem from enabling the intel-spi-* drivers in the kernel,
which don't appear to be ready for use on end-user machines.

Fix: Disable this driver.

Test Case: Fix has been verified by our HWE team on affected hardware.

Regression Potential: Minimal, it's unlikely anyone is actually doing
anything which requires this driver.

---

Hi all,

Basically on Lenovo Y50-70 after installing Ubuntu 17.10, many users
reported a corrupted BIOS.

It's not possible to save new settings in BIOS anymore and after
rebooting, the system starts with the old settings.

Moreover (and most important) USB booting is not possible anymore since
USB is not recognized. It's very serious, since our machines do not have
a CDROM.

Lenovo forums at the moment are full of topics regading this issue.

Thank you!!

#### UPDATE (01/12/2017) ####

LENOVO machines affected so far (please add your affected model to this
list):

Lenovo B40-70
Lenovo B50-70
Lenovo B50-80
Lenovo Flex-3
Lenovo Flex-10
Lenovo G40-30
Lenovo G50-70
Lenovo G50-80
Lenovo S20-30
Lenovo U31-70
Lenovo Y50-70
Lenovo Y70-70
Lenovo Yoga Thinkpad (20C0)
Lenovo Yoga 2 11" - 20332
Lenovo Z50-70
Lenovo Z51-70
Lenovo ideapad 100-15IBY

The bug also affects:
Acer Aspire E5-771G
Acer TravelMate B113
Toshiba Satellite S55T-B5233

---

Temporary workaround:
https://forums.lenovo.com/t5/Lenovo-P-Y-and-Z-series/Y50-70-BIOS-Can-t
-Save-Settings-Or-Exit/m-p/3853208#M157885

---

result from apport-collect 1734147:

---

Architecture: amd64
InstallationDate: Installed on 2017-10-22 (37 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
MachineType: LENOVO 20378
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-17-generic 
root=UUID=7def04d3-7336-44b2-a084-2415f9dc2328 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
RelatedPackageVersions:
 linux-restricted-modules-4.13.0-17-generic N/A
 linux-backports-modules-4.13.0-17-generic  N/A
 linux-firmware                             1.169
Tags:  artful wayland-session
Uname: Linux 4.13.0-17-generic x86_64
dmi.bios.date: 08/12/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: 9ECN43WW(V3.03)
dmi.board.name: Lenovo Y50-70
dmi.board.vendor: LENOVO
dmi.board.version: 00000000Not Defined
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Y50-70
dmi.modalias: 
dmi:bvnLENOVO:bvr9ECN43WW(V3.03):bd08/12/2015:svnLENOVO:pn20378:pvrLenovoY50-70:rvnLENOVO:rnLenovoY50-70:rvr00000000NotDefined:cvnLENOVO:ct10:cvrLenovoY50-70:
dmi.product.family: IDEAPAD
dmi.product.name: 20378
dmi.product.version: Lenovo Y50-70
dmi.sys.vendor: LENOVO

---

** Affects: linux (Ubuntu)
     Importance: Critical
         Status: Confirmed

** Affects: linux-hwe-edge (Ubuntu)
     Importance: Undecided
         Status: Confirmed

** Affects: linux-oem (Ubuntu)
     Importance: Undecided
         Status: Confirmed

** Affects: linux (Ubuntu Xenial)
     Importance: Undecided
         Status: Invalid

** Affects: linux-hwe-edge (Ubuntu Xenial)
     Importance: Undecided
         Status: Fix Committed

** Affects: linux-oem (Ubuntu Xenial)
     Importance: Undecided
         Status: Fix Committed

** Affects: linux (Ubuntu Artful)
     Importance: Critical
         Status: Fix Released

** Affects: linux-hwe-edge (Ubuntu Artful)
     Importance: Undecided
         Status: Invalid

** Affects: linux-oem (Ubuntu Artful)
     Importance: Undecided
         Status: Invalid

** Affects: linux (openSUSE)
     Importance: Undecided
         Status: New


** Tags: apport-collected artful kernel-key verification-done-artful 
wayland-session
-- 
Ubuntu 17.10 corrupting BIOS - many LENOVO laptops models
https://bugs.launchpad.net/bugs/1734147
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