Public bug reported:
Eoan daily: 20191010
Ubuntu Server arm64+raspi3
HW: Raspberrypi 3 B+
Initial boot ok but as soon as changing to the high resolution
framebuffer, the whole screen consists mostly of bright yellow and
darker yellow vertical stipes. Further boot messages are visible but
barely readable. Device is accessible via ssh. The dmesg there shows
some kernel warnings:
[ 1.450650] bcm2708_fb soc:fb: FB found 1 display(s)
[ 1.452916] WARNING: CPU: 2 PID: 1 at mm/page_alloc.c:4696
__alloc_pages_nodemask+0x284/0x2c8
[ 1.460096] Modules linked in:
[ 1.467227] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 5.3.0-1005-raspi2
#6-Ubuntu
[ 1.474549] Hardware name: Raspberry Pi 3 Model B Plus Rev 1.3 (DT)
[ 1.481908] pstate: 20400005 (nzCv daif +PAN -UAO)
[ 1.489237] pc : __alloc_pages_nodemask+0x284/0x2c8
[ 1.496499] lr : __dma_direct_alloc_pages+0x100/0x1e8
...
[ 1.761649] bcm2708_fb soc:fb: Registered framebuffer for display 0, size
1824x984
[ 1.850950] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
[ 1.859009] bcm2835-rng 3f104000.rng: hwrng registered
[ 1.865102] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000
mem_size:0x40000000(1024 MiB)
...
[ 2.909823] WARN::dwc_otg_hcd_init:1043: FIQ DMA bounce buffers: virt =
ffff000010616000 dma = 0x00000000fad10000 len=9024
...
[ 2.946722] WARN::hcd_init_fiq:496: MPHI regs_base at ffff000010075000
** Affects: linux-raspi2 (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
Eoan daily: 20191010
Ubuntu Server arm64+raspi3
+ HW: Raspberrypi 3 B+
Initial boot ok but as soon as changing to the high resolution
framebuffer, the whole screen consists mostly of bright yellow and
darker yellow vertical stipes. Further boot messages are visible but
barely readable. Device is accessible via ssh. The dmesg there shows
some kernel warnings:
[ 1.450650] bcm2708_fb soc:fb: FB found 1 display(s)
[ 1.452916] WARNING: CPU: 2 PID: 1 at mm/page_alloc.c:4696
__alloc_pages_nodemask+0x284/0x2c8
[ 1.460096] Modules linked in:
[ 1.467227] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 5.3.0-1005-raspi2
#6-Ubuntu
[ 1.474549] Hardware name: Raspberry Pi 3 Model B Plus Rev 1.3 (DT)
[ 1.481908] pstate: 20400005 (nzCv daif +PAN -UAO)
[ 1.489237] pc : __alloc_pages_nodemask+0x284/0x2c8
[ 1.496499] lr : __dma_direct_alloc_pages+0x100/0x1e8
...
[ 1.761649] bcm2708_fb soc:fb: Registered framebuffer for display 0, size
1824x984
[ 1.850950] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
[ 1.859009] bcm2835-rng 3f104000.rng: hwrng registered
[ 1.865102] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000
mem_size:0x40000000(1024 MiB)
...
[ 2.909823] WARN::dwc_otg_hcd_init:1043: FIQ DMA bounce buffers: virt =
ffff000010616000 dma = 0x00000000fad10000 len=9024
...
[ 2.946722] WARN::hcd_init_fiq:496: MPHI regs_base at ffff000010075000
** Summary changed:
- rpi3b+: corupted screen on hdmi
+ rpi3b+: corrupted screen on hdmi
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https://bugs.launchpad.net/bugs/1847596
Title:
rpi3b+: corrupted screen on hdmi
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