linux-kernel - Re: Linux Kernel 5.1.21 (i915)

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Date:   Sun, 4 Aug 2019 20:24:51 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Nathaniel Russell <naterussell83@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        intel-gfx@...ts.freedesktop.org
Subject: Re: Linux Kernel 5.1.21 (i915)

On 8/4/19 8:11 PM, Nathaniel Russell wrote:
> I'm getting an error message when the uvcvideo module is loaded into
> the kernel. Can somebody help me figure this out please?
> 

Looks more like it is related to i915 driver:

[   18.728238] ------------[ cut here ]------------
[   18.728248] timed out waiting for port C ready: got 0x20, expected 0xe0
[   18.728705] WARNING: CPU: 1 PID: 239 at drivers/gpu/drm/i915/intel_display.c:1614 vlv_wait_port_ready+0x8d/0xd0 [i915]
[   18.728708] Modules linked in: uvcvideo videobuf2_vmalloc videobuf2_memops rtsx_usb videobuf2_v4l2 videodev videobuf2_common btusb btrtl btbcm btintel bluetooth ecdh_generic joydev intel_xhci_usb_role_switch wmi_bmof dell_wmi roles sparse_keymap iwlmvm mac80211 dell_smm_hwmon dell_laptop ledtrig_audio dell_smbios dell_wmi_descriptor dcdbas coretemp hwmon iwlwifi intel_rapl cfg80211 intel_powerclamp kvm_intel psmouse kvm i915 irqbypass evdev crct10dif_pclmul crc32_pclmul crc32c_intel serio_raw cec ghash_clmulni_intel intel_cstate rc_core drm_kms_helper snd_hda_intel tpm_crb tpm_tis ac drm intel_gtt tpm_tis_core snd_hda_codec battery agpgart i2c_algo_bit snd_hda_core wmi fb_sys_fops snd_hwdep snd_pcm syscopyarea fan thermal sdhci_pci snd_timer sysfillrect snd dell_rbtn sysimgblt mei_txe cqhci sdhci tpm i2c_hid hid mei video mmc_core processor_thermal_device rfkill int340x_thermal_zone int3400_thermal intel_soc_dts_iosf acpi_thermal_rel soundcore i2c_i801 xhci_pci button xhci_hcd
[   18.728876]  pinctrl_cherryview i2c_core lpc_ich pcc_cpufreq loop
[   18.728897] CPU: 1 PID: 239 Comm: kworker/u4:3 Not tainted 5.1.21 #3
[   18.728901] Hardware name: Dell Inc. Inspiron 15-3552/001T3K, BIOS 4.2.0 10/27/2017
[   18.728916] Workqueue: events_unbound async_run_entry_fn
[   18.729188] RIP: 0010:vlv_wait_port_ready+0x8d/0xd0 [i915]

Full dmesg is reattached.

-- 
~Randy

View attachment "dmesg.txt" of type "text/plain" (55237 bytes)