On Wed, Jul 17, 2019 at 04:27:56AM -0700, kernelci.org bot wrote:

Today's -next fails to boot on a couple of apq8064 boards:

> arm:
>     qcom_defconfig:
>         gcc-8:
>             qcom-apq8064-cm-qs600: 1 failed lab
>             qcom-apq8064-ifc6410: 1 failed lab

In both cases it looks like the error handling when we fail to get the
firmware for the GPU is broken, we get a crash in the initialization
code shortly after failing to load some firmware:

[    4.608279] msm 5100000.mdp: Direct firmware load for qcom/a300_pm4.fw failed with error -2
[    4.614916] msm 5100000.mdp: [drm:adreno_request_fw] *ERROR* failed to load a300_pm4.fw
[    4.623229] 8<--- cut here ---
[    4.631111] Unable to handle kernel NULL pointer dereference at virtual address 00000088

...

[    4.665947] Workqueue: events deferred_probe_work_func
[    4.670532] PC is at msm_open+0x64/0x90
[    4.675656] LR is at _raw_write_unlock+0x20/0x4c

...

[    4.949553] [] (msm_open) from [] (drm_file_alloc+0x134/0x21c)
[    4.957703] [] (drm_file_alloc) from [] (drm_client_init+0xa8/0x124)
[    4.965162] [] (drm_client_init) from [] (drm_fb_helper_init.part.0+0x30/0x3c)
[    4.973411] [] (drm_fb_helper_init.part.0) from [] (msm_fbdev_init+0x50/0xb4)
[    4.982173] [] (msm_fbdev_init) from [] (msm_drm_bind+0x560/0x638)

Full details (including full boot logs) at:

	https://kernelci.org/boot/id/5d2ede2359b514a54b49e91b/
	https://kernelci.org/boot/id/5d2ede2759b514a54749e91d/