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Bug#935456: No GPU hardware detected with kernel 5.2 for Rpi2b and Rpi3b

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Package: linux-image-armmp
Version: 5.2.0-2

Hello,

I have made a guide for Debian on Rpi here:
https://github.com/evasjo/DebianSbcRaspberry

I have 3 devices (Rpi) and 2 environments (cards).

        armhfCard	arm64Card
4.19.0-5:
Rpi2b   Success     NotPossible32bitCpu
Rpi3b   Success     Success
Rpi3b+  Success     Success
5.2.0-2:
Rpi2b   Failure     NotPossible32bitCpu
Rpi3b   Failure     Failure
Rpi3b+  Success     Success

The display manager SDDM does not start with kernel 5.2" for combinations above.

New firmware for armhfCard	2018-08-05 -> 2019-08-17	// It did not help.
New firmware for arm64Card	2018-12-25 -> 2019-08-17	// It did not help.

# cat cmdline.txt
dwc_otg.lpm_enable=0 console=tty0 console=${serial}
root=/dev/mmcblk0p3 rootfstype=f2fs elevator=deadline fsck.repair=yes
rootwait cma=416M

# cat config.txt   // armhfCard
device_tree=bcm2837-rpi-3-b-plus.dtb.5.2
kernel=vmlinuz-5.2.0-2-armmp
initramfs initrd.img-5.2.0-2-armmp followkernel

# cat config.txt    // arm64Card
arm_control=0x200
device_tree=bcm2837-rpi-3-b-plus.dtb.5.2
kernel=vmlinuz-5.2.0-2-arm64
initramfs initrd.img-5.2.0-2-arm64 followkernel

# cat /etc/apt/sources.list
deb http://ftp.fi.debian.org/debian sid main contrib non-free

# cat /etc/initramfs-tools/modules
crc32
crc32c
f2fs

# cat /etc/modules
f2fs
vc4

"Failure" logs:
# journalctl|grep -i vc4	// No rows i.e. no GPU hardware detected
# lsmod|grep -i vc4		// There are rows i.e. the module is loaded
# journalctl|grep -i bcm
bcm2835-power bcm2835-power: Timeout waiting for grafx power OK	// A
lot of these rows

"Success", 4.19.0-5:
Kde is running.
shutdown -h now	// It does disconnect the power to the monitor.
shutdown -r now	// It restarts the computer.

"Success", 5.2.0-2 (5.2.9.1):
Kde is running.
shutdown -h now	// It does not disconnect the power to the monitor. It
leaves the monitor on with the text (last row): "reboot: System
halted"
shutdown -r now	// It does not restart. It leaves the monitor on with
the text (last row): "Reboot failed -- System halted"

The "Failure" culprit seems to be "bcm2835-power" for Rpi2b and Rpi3b.

Best Regards,
Evald

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Bug#935456: No GPU hardware detected with kernel 5.2 for Rpi2b and Rpi3b eHenry Berg <ehenry.berg@gmail.com> - 2019-08-22 21:00 +0200
  Bug#935456: No GPU hardware detected with kernel 5.2 for Rpi2b and Rpi3b eHenry Berg <ehenry.berg@gmail.com> - 2019-09-08 12:30 +0200

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