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Date: Thu, 30 Jun 2022 21:09:51 +0200
From: Stefan Wahren <stefan.wahren@...e.com>
To: Naresh Kamboju <naresh.kamboju@...aro.org>,
open list <linux-kernel@...r.kernel.org>,
linux-rpi-kernel@...ts.infradead.org,
dri-devel@...ts.freedesktop.org
Cc: David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
Emma Anholt <emma@...olt.net>,
Dave Stevenson <dave.stevenson@...pberrypi.com>,
Thomas Zimmermann <tzimmermann@...e.de>,
Maxime Ripard <maxime@...no.tech>
Subject: Re: [next] Rpi4 : WARNING: at drivers/gpu/drm/vc4/vc4_hdmi_regs.h:487
vc5_hdmi_reset+0x1f0/0x240 [vc4]
Hi Naresh,
thanks for your report.
Am 30.06.22 um 18:11 schrieb Naresh Kamboju:
> The following kernel warning found on Rpi4 while booting linux next-20220630.
> Boot log details [1] & [2].
i think this is related to this:
https://lists.freedesktop.org/archives/dri-devel/2022-June/362244.html
>
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>
> [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083]
> [ 0.000000] Linux version 5.19.0-rc4-next-20220630
> (tuxmake@...make) (aarch64-linux-gnu-gcc (Debian 11.3.0-3) 11.3.0, GNU
> ld (GNU Binutils for Debian) 2.38) #1 SMP PREEMPT @1656576657
> [ 0.000000] Machine model: Raspberry Pi 4 Model B
> <trim>
> [ 21.702341] vc4-drm gpu: [drm] Couldn't stop firmware display driver: -22
> [ 21.711580] vc4-drm gpu: bound fe400000.hvs (ops vc4_hvs_ops [vc4])
> [ 21.719271] ------------[ cut here ]------------
> [ 21.723971] WARNING: CPU: 0 PID: 246 at
> drivers/gpu/drm/vc4/vc4_hdmi_regs.h:487 vc5_hdmi_reset+0x1f0/0x240
> [vc4]
> [ 21.734403] Modules linked in: cfg80211(+) raspberrypi_hwmon
> clk_raspberrypi bluetooth reset_raspberrypi crct10dif_ce vc4(+) cec
> drm_display_helper rfkill iproc_rng200 drm_cma_helper drm_kms_helper
> pwm_bcm2835 i2c_bcm2835 rng_core v3d bcm2711_thermal drm_shmem_helper
> gpu_sched pcie_brcmstb drm fuse
> [ 21.761318] CPU: 0 PID: 246 Comm: systemd-udevd Not tainted
> 5.19.0-rc4-next-20220630 #1
> [ 21.769445] Hardware name: Raspberry Pi 4 Model B (DT)
> [ 21.774656] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 21.781725] pc : vc5_hdmi_reset+0x1f0/0x240 [vc4]
> [ 21.786587] lr : vc5_hdmi_reset+0x38/0x240 [vc4]
> [ 21.791356] sp : ffff80000b533630
> [ 21.794715] x29: ffff80000b533630 x28: 0000000000000000 x27: ffff0000411d4080
> [ 21.801967] x26: 0000000000000000 x25: ffff800009cdd980 x24: ffff80000ae15410
> [ 21.809218] x23: ffff000040fce000 x22: ffff0000fb83a978 x21: 0000000000000000
> [ 21.816467] x20: ffff0000411d4cf0 x19: ffff0000411d4080 x18: 0000000000000000
> [ 21.823716] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
> [ 21.830963] x14: 0000000000000000 x13: 0000000000000030 x12: 0101010101010101
> [ 21.838211] x11: 7f7f7f7f7f7f7f7f x10: ffff84000386a50f x9 : ffff8000093b1660
> [ 21.845460] x8 : 0101010101010101 x7 : 0000000000000000 x6 : 0000000000000001
> [ 21.852709] x5 : ffff80000a9bf2e0 x4 : ffff80000a9bf000 x3 : 0000000000000000
> [ 21.859958] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff800001587ae8
> [ 21.867207] Call trace:
> [ 21.869684] vc5_hdmi_reset+0x1f0/0x240 [vc4]
> [ 21.874188] vc4_hdmi_runtime_resume+0x74/0xb0 [vc4]
> [ 21.879308] vc4_hdmi_bind+0x22c/0x880 [vc4]
> [ 21.880064] cfg80211: Loading compiled-in X.509 certificates for
> regulatory database
> [ 21.883719] component_bind_all+0x130/0x290
> [ 21.883747] vc4_drm_bind+0x19c/0x2a4 [vc4]
> [ 21.900105] try_to_bring_up_aggregate_device+0x1f8/0x300
> [ 21.905597] component_master_add_with_match+0xbc/0x104
> [ 21.910910] vc4_platform_drm_probe+0xcc/0x10c [vc4]
> [ 21.916028] platform_probe+0x74/0xf0
> [ 21.919750] really_probe+0xc8/0x3e0
> [ 21.923385] __driver_probe_device+0x84/0x190
> [ 21.927811] driver_probe_device+0x44/0x100
> [ 21.932062] __driver_attach+0xd8/0x210
> [ 21.935959] bus_for_each_dev+0x7c/0xe0
> [ 21.939857] driver_attach+0x30/0x3c
> [ 21.943489] bus_add_driver+0x188/0x244
> [ 21.947384] driver_register+0x84/0x140
> [ 21.951282] __platform_driver_register+0x34/0x40
> [ 21.956055] vc4_drm_register+0x5c/0x1000 [vc4]
> [ 21.960730] do_one_initcall+0x50/0x2b0
> [ 21.964628] do_init_module+0x50/0x200
> [ 21.968440] load_module+0x1a8c/0x1f40
> [ 21.972243] __do_sys_finit_module+0xac/0x12c
> [ 21.976663] __arm64_sys_finit_module+0x2c/0x40
> [ 21.981259] invoke_syscall+0x50/0x120
> [ 21.985069] el0_svc_common.constprop.0+0x104/0x124
> [ 21.990024] do_el0_svc+0x3c/0xd0
> [ 21.993392] el0_svc+0x38/0xc0
> [ 21.996494] el0t_64_sync_handler+0xbc/0x140
> [ 22.000828] el0t_64_sync+0x18c/0x190
> [ 22.004544] ---[ end trace 0000000000000000 ]---
> [ 22.009327] ------------[ cut here ]------------
> [ 22.014009] WARNING: CPU: 0 PID: 246 at
> drivers/gpu/drm/vc4/vc4_hdmi_regs.h:457 vc4_hdmi_read+0xec/0x134 [vc4]
> [ 22.024243] Modules linked in: cfg80211(+) raspberrypi_hwmon
> clk_raspberrypi bluetooth reset_raspberrypi crct10dif_ce vc4(+) cec
> drm_display_helper rfkill iproc_rng200 drm_cma_helper drm_kms_helper
> pwm_bcm2835 i2c_bcm2835 rng_core v3d bcm2711_thermal drm_shmem_helper
> gpu_sched pcie_brcmstb drm fuse
> [ 22.051149] CPU: 0 PID: 246 Comm: systemd-udevd Tainted: G W
> 5.19.0-rc4-next-20220630 #1
> [ 22.060684] Hardware name: Raspberry Pi 4 Model B (DT)
> [ 22.065894] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 22.072959] pc : vc4_hdmi_read+0xec/0x134 [vc4]
> [ 22.077631] lr : vc5_hdmi_reset+0xac/0x240 [vc4]
>
> metadata:
> git_ref: master
> git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
> git_sha: 6cc11d2a1759275b856e464265823d94aabd5eaf
> git_describe: next-20220630
> kernel_version: 5.19.0-rc4
> kernel-config: https://builds.tuxbuild.com/2BHwwIpQQ4jA4OQSp6ecOQNPxTg/config
> build-url: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/pipelines/576712449
> artifact-location: https://builds.tuxbuild.com/2BHwwIpQQ4jA4OQSp6ecOQNPxTg
> toolchain: gcc-11
>
> [1] https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20220630/testrun/10438428/suite/log-parser-boot/tests/
> [2] https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20220630/testrun/10438428/suite/log-parser-boot/test/check-kernel-exception-5227708/details/
>
> --
> Linaro LKFT
> https://lkft.linaro.org
>
> _______________________________________________
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> linux-rpi-kernel@...ts.infradead.org
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