Public bug reported:
With Ubuntu 16.04.3 LTS (Xenial Xerus), Ubuntu mainline kernel 4.14.10
or 4.14.11 for arch i386 does not boot on Lenovo Thinkpad X220. After
GRUB message 'loading initrd' screen is cleared and machine restarts
BIOS. Nothing is written to screen or system log.
Mainline kernels up to 4.14.9 for arch i386 works fine.
Booting same machine with mainline kernel 4.14.11 for arch amd64 works
fine.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "lspci (kernel 4.14.9 running)"
https://bugs.launchpad.net/bugs/1741167/+attachment/5030860/+files/lspci-vnvn.log
** Description changed:
- With Ubuntu 16.04.3 LTS (Xenial Xerus), and Ubuntu mainline kernel
- 4.14.10 or 4.14.11 for arch i386 does not boot on Lenovo Thinkpad X220.
- After GRUB message 'loading initrd' screen is cleared and machine
- restarts BIOS. Nothing is written to screen or system log.
+ With Ubuntu 16.04.3 LTS (Xenial Xerus), Ubuntu mainline kernel 4.14.10
+ or 4.14.11 for arch i386 does not boot on Lenovo Thinkpad X220. After
+ GRUB message 'loading initrd' screen is cleared and machine restarts
+ BIOS. Nothing is written to screen or system log.
Mainline kernels up to 4.14.9 for arch i386 works fine.
Booting same machine with mainline kernel 4.14.11 for arch amd64 works
fine.
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https://bugs.launchpad.net/bugs/1741167
Title:
Mainline kernel 4.14.11 not booting on Lenovo X220
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