** Also affects: linux-raspi2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1837209
Title:
Splash screen fails to display on recent pi core18 images
Status in Snappy:
New
Status in linux-raspi2 package in Ubuntu:
New
Bug description:
The current core18 image [1] for the raspberry pi fails to display the
"Core" splash screen on boot. This is because psplash fails to open
the /dev/fb0 framebuffer device, because it doesn't exist. This
appears to be due to a lack of supporting kernel modules in the
initrd.img (fb_sys_fops, drm, vc4, etc.) which were formerly present
but are missing from the version I'm testing (pi-kernel
4.15.0-1041.44, snap rev 42).
Steps to reproduce:
* Flash the image to a uSD card and boot the pi with it (preferably with a
serial console attached).
* Note screen remains black instead of displaying the familiar "Core" text
under an Ubuntu logo.
* If serial console is attached, note "Error opening /dev/fb0" in the output
shortly after u-boot starts the kernel; this is output from psplash failing
[1] http://cdimage.ubuntu.com/ubuntu-core/18/current/ubuntu-
core-18-armhf+raspi3.img.xz
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