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While running an Ubuntu kernel (not a mainline or third-party kernel)
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apport-collect 1780806
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1780806
Title:
Kernel 4.15.0 fails to boot with linux-modules-extra
Status in linux package in Ubuntu:
Incomplete
Bug description:
I upgraded my laptop (Sony VAIO SVS1511C5E, Intel Core i7-3612QM,
NVIDIA GK107M / GeForce GT 640M LE, original hard disk changed to a
Crucial SSD) yesterday from Ubuntu 17.10. to Ubuntu 18.04. The upgrade
process went smoothly without issues.
After upgrade, I cannot boot the new kernel version 4.15.0-23 in
normal mode. The boot process hangs immediately after displaying
"Loading initial ramdisk". In case I choose "Recovery mode", the
system does boot successfully with the same kernel. I also tried
installing kernels 4.15.0-22 and 4.15.0-24, which both behave
identically.
The problem seems to be related to the linux-modules-extra package. If
the package is not installed, the system boots also in the normal
mode. However, the display is not correctly recognized, it shows up as
"Unknown display" with 1024x768 resolution. That also happens if I
choose "Recovery mode" and "Resume boot".
The previous kernel 4.13.0-46 (with linux-modules-extra installed)
works without problems and the display is recognized correctly.
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