Linux cubietruck 5.10.4-sunxi #20.11.6 SMP Sun Jan 3 21:28:45 CET 2021 armv7l GNU/Linux

 

 

------------[ cut here ]------------
[    1.304783] WARNING: CPU: 0 PID: 1 at arch/arm/mm/ioremap.c:287 __arm_ioremap_pfn_caller+0x13f/0x14c
[    1.304791] Modules linked in:
[    1.304812] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.10.4-sunxi #20.11.6
[    1.304818] Hardware name: Allwinner sun7i (A20) Family
[    1.304852] [<c010c9ed>] (unwind_backtrace) from [<c0109501>] (show_stack+0x11/0x14)
[    1.304873] [<c0109501>] (show_stack) from [<c0966dcb>] (dump_stack+0x77/0x84)
[    1.304892] [<c0966dcb>] (dump_stack) from [<c011ae99>] (__warn+0xad/0xc0)
[    1.304907] [<c011ae99>] (__warn) from [<c0960d0b>] (warn_slowpath_fmt+0x43/0x7c)
[    1.304923] [<c0960d0b>] (warn_slowpath_fmt) from [<c011335b>] (__arm_ioremap_pfn_caller+0x13f/0x14c)
[    1.304938] [<c011335b>] (__arm_ioremap_pfn_caller) from [<c0113397>] (__arm_ioremap_caller+0x2f/0x38)
[    1.304955] [<c0113397>] (__arm_ioremap_caller) from [<c05b8b07>] (simplefb_probe+0x19b/0x6b8)
[    1.304974] [<c05b8b07>] (simplefb_probe) from [<c064f8bb>] (platform_drv_probe+0x33/0x68)
[    1.304989] [<c064f8bb>] (platform_drv_probe) from [<c064dd27>] (really_probe+0x13b/0x354)
[    1.305001] [<c064dd27>] (really_probe) from [<c064e105>] (driver_probe_device+0xa9/0x168)
[    1.305016] [<c064e105>] (driver_probe_device) from [<c064c7a1>] (bus_for_each_drv+0x4d/0x78)
[    1.305031] [<c064c7a1>] (bus_for_each_drv) from [<c064db7f>] (__device_attach+0x8f/0xf0)
[    1.305044] [<c064db7f>] (__device_attach) from [<c064d0ff>] (bus_probe_device+0x5b/0x60)
[    1.305059] [<c064d0ff>] (bus_probe_device) from [<c064a78b>] (device_add+0x2e7/0x564)
[    1.305076] [<c064a78b>] (device_add) from [<c07c808d>] (of_platform_device_create_pdata+0x65/0x88)
[    1.305094] [<c07c808d>] (of_platform_device_create_pdata) from [<c0e1db5b>] (simplefb_init+0x4f/0x60)
[    1.305112] [<c0e1db5b>] (simplefb_init) from [<c0101c8d>] (do_one_initcall+0x39/0x1ac)
[    1.305128] [<c0101c8d>] (do_one_initcall) from [<c0e00ee5>] (kernel_init_freeable+0x1bd/0x208)
[    1.305144] [<c0e00ee5>] (kernel_init_freeable) from [<c096bdb9>] (kernel_init+0xd/0xe0)
[    1.305159] [<c096bdb9>] (kernel_init) from [<c0100159>] (ret_from_fork+0x11/0x38)
[    1.305167] Exception stack(0xc151ffb0 to 0xc151fff8)
[    1.305178] ffa0:                                     00000000 00000000 00000000 00000000
[    1.305189] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    1.305199] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    1.305215] ---[ end trace 871998d831abfa15 ]---

 

Spoiler

 

[37111.925331] sysfs: cannot create duplicate filename '/devices/platform/soc/1c16000.hdmi/dma:audio-tx'
[37111.925377] CPU: 0 PID: 8661 Comm: kworker/0:4 Tainted: G        WC  E     5.10.4-sunxi #20.11.6
[37111.925387] Hardware name: Allwinner sun7i (A20) Family
[37111.925423] Workqueue: events output_poll_execute
[37111.925475] [<c010c9ed>] (unwind_backtrace) from [<c0109501>] (show_stack+0x11/0x14)
[37111.925504] [<c0109501>] (show_stack) from [<c0966dcb>] (dump_stack+0x77/0x84)
[37111.925535] [<c0966dcb>] (dump_stack) from [<c02f44b9>] (sysfs_warn_dup+0x49/0x54)
[37111.925560] [<c02f44b9>] (sysfs_warn_dup) from [<c02f46eb>] (sysfs_do_create_link_sd+0x87/0xa8)
[37111.925591] [<c02f46eb>] (sysfs_do_create_link_sd) from [<c05c7697>] (dma_request_chan+0xb3/0x1ec)
[37111.925622] [<c05c7697>] (dma_request_chan) from [<c07fc801>] (snd_dmaengine_pcm_register+0x85/0x148)
[37111.925652] [<c07fc801>] (snd_dmaengine_pcm_register) from [<c063e755>] (sun4i_hdmi_audio_create+0x1d/0x134)
[37111.925679] [<c063e755>] (sun4i_hdmi_audio_create) from [<c063ef73>] (sun4i_hdmi_enable+0xff/0x124)
[37111.925708] [<c063ef73>] (sun4i_hdmi_enable) from [<c060ef43>] (drm_atomic_helper_commit_modeset_enables+0x14b/0x178)
[37111.925736] [<c060ef43>] (drm_atomic_helper_commit_modeset_enables) from [<c060f5d1>] (drm_atomic_helper_commit_tail_rpm+0x1d/0x4c)
[37111.925762] [<c060f5d1>] (drm_atomic_helper_commit_tail_rpm) from [<c060f9af>] (commit_tail+0x73/0x144)
[37111.925786] [<c060f9af>] (commit_tail) from [<c061034d>] (drm_atomic_helper_commit+0xd1/0xf0)
[37111.925815] [<c061034d>] (drm_atomic_helper_commit) from [<c063277b>] (drm_client_modeset_commit_atomic+0x15b/0x184)
[37111.925841] [<c063277b>] (drm_client_modeset_commit_atomic) from [<c0632825>] (drm_client_modeset_commit_locked+0x3d/0x104)
[37111.925864] [<c0632825>] (drm_client_modeset_commit_locked) from [<c0632907>] (drm_client_modeset_commit+0x1b/0x2c)
[37111.925891] [<c0632907>] (drm_client_modeset_commit) from [<c0613b33>] (__drm_fb_helper_restore_fbdev_mode_unlocked+0x6f/0x88)
[37111.925915] [<c0613b33>] (__drm_fb_helper_restore_fbdev_mode_unlocked) from [<c0613bad>] (drm_fb_helper_set_par+0x2d/0x4c)
[37111.925938] [<c0613bad>] (drm_fb_helper_set_par) from [<c0613c39>] (drm_fb_helper_hotplug_event.part.5+0x6d/0x7c)
[37111.925961] [<c0613c39>] (drm_fb_helper_hotplug_event.part.5) from [<c06320b3>] (drm_client_dev_hotplug+0x4f/0x74)
[37111.925984] [<c06320b3>] (drm_client_dev_hotplug) from [<c0606b91>] (output_poll_execute+0x145/0x14c)
[37111.926014] [<c0606b91>] (output_poll_execute) from [<c012f691>] (process_one_work+0x179/0x3dc)
[37111.926043] [<c012f691>] (process_one_work) from [<c012f9f7>] (worker_thread+0x103/0x408)
[37111.926069] [<c012f9f7>] (worker_thread) from [<c0134531>] (kthread+0x109/0x10c)
[37111.926094] [<c0134531>] (kthread) from [<c0100159>] (ret_from_fork+0x11/0x38)
[37111.926106] Exception stack(0xc7547fb0 to 0xc7547ff8)
[37111.926123] 7fa0:                                     00000000 00000000 00000000 00000000
[37111.926142] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[37111.926159] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[37111.926209] sun4i-hdmi 1c16000.hdmi: Cannot create DMA dma:audio-tx symlink
[43112.551938] sysfs: cannot create duplicate filename '/devices/platform/soc/1c16000.hdmi/dma:audio-tx'
[43112.551992] CPU: 0 PID: 9468 Comm: kworker/0:4 Tainted: G        WC  E     5.10.4-sunxi #20.11.6
[43112.552009] Hardware name: Allwinner sun7i (A20) Family
[43112.552059] Workqueue: events output_poll_execute
[43112.552137] [<c010c9ed>] (unwind_backtrace) from [<c0109501>] (show_stack+0x11/0x14)
[43112.552183] [<c0109501>] (show_stack) from [<c0966dcb>] (dump_stack+0x77/0x84)
[43112.552230] [<c0966dcb>] (dump_stack) from [<c02f44b9>] (sysfs_warn_dup+0x49/0x54)
[43112.552271] [<c02f44b9>] (sysfs_warn_dup) from [<c02f46eb>] (sysfs_do_create_link_sd+0x87/0xa8)
[43112.552315] [<c02f46eb>] (sysfs_do_create_link_sd) from [<c05c7697>] (dma_request_chan+0xb3/0x1ec)
[43112.552365] [<c05c7697>] (dma_request_chan) from [<c07fc801>] (snd_dmaengine_pcm_register+0x85/0x148)
[43112.552414] [<c07fc801>] (snd_dmaengine_pcm_register) from [<c063e755>] (sun4i_hdmi_audio_create+0x1d/0x134)
[43112.552458] [<c063e755>] (sun4i_hdmi_audio_create) from [<c063ef73>] (sun4i_hdmi_enable+0xff/0x124)
[43112.552506] [<c063ef73>] (sun4i_hdmi_enable) from [<c060ef43>] (drm_atomic_helper_commit_modeset_enables+0x14b/0x178)
[43112.552553] [<c060ef43>] (drm_atomic_helper_commit_modeset_enables) from [<c060f5d1>] (drm_atomic_helper_commit_tail_rpm+0x1d/0x4c)
[43112.552596] [<c060f5d1>] (drm_atomic_helper_commit_tail_rpm) from [<c060f9af>] (commit_tail+0x73/0x144)
[43112.552638] [<c060f9af>] (commit_tail) from [<c061034d>] (drm_atomic_helper_commit+0xd1/0xf0)
[43112.552684] [<c061034d>] (drm_atomic_helper_commit) from [<c063277b>] (drm_client_modeset_commit_atomic+0x15b/0x184)
[43112.552726] [<c063277b>] (drm_client_modeset_commit_atomic) from [<c0632825>] (drm_client_modeset_commit_locked+0x3d/0x104)
[43112.552765] [<c0632825>] (drm_client_modeset_commit_locked) from [<c0632907>] (drm_client_modeset_commit+0x1b/0x2c)
[43112.552808] [<c0632907>] (drm_client_modeset_commit) from [<c0613b33>] (__drm_fb_helper_restore_fbdev_mode_unlocked+0x6f/0x88)
[43112.552849] [<c0613b33>] (__drm_fb_helper_restore_fbdev_mode_unlocked) from [<c0613bad>] (drm_fb_helper_set_par+0x2d/0x4c)
[43112.552888] [<c0613bad>] (drm_fb_helper_set_par) from [<c0613c39>] (drm_fb_helper_hotplug_event.part.5+0x6d/0x7c)
[43112.552928] [<c0613c39>] (drm_fb_helper_hotplug_event.part.5) from [<c06320b3>] (drm_client_dev_hotplug+0x4f/0x74)
[43112.552966] [<c06320b3>] (drm_client_dev_hotplug) from [<c0606b91>] (output_poll_execute+0x145/0x14c)
[43112.553014] [<c0606b91>] (output_poll_execute) from [<c012f691>] (process_one_work+0x179/0x3dc)
[43112.553060] [<c012f691>] (process_one_work) from [<c012f9f7>] (worker_thread+0x103/0x408)
[43112.553106] [<c012f9f7>] (worker_thread) from [<c0134531>] (kthread+0x109/0x10c)
[43112.553145] [<c0134531>] (kthread) from [<c0100159>] (ret_from_fork+0x11/0x38)
[43112.553165] Exception stack(0xc1557fb0 to 0xc1557ff8)
[43112.553193] 7fa0:                                     00000000 00000000 00000000 00000000
[43112.553224] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[43112.553252] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[43112.553320] sun4i-hdmi 1c16000.hdmi: Cannot create DMA dma:audio-tx symlink
[43143.275925] sysfs: cannot create duplicate filename '/devices/platform/soc/1c16000.hdmi/dma:audio-tx'
[43143.275979] CPU: 0 PID: 9871 Comm: kworker/0:0 Tainted: G        WC  E     5.10.4-sunxi #20.11.6
[43143.275996] Hardware name: Allwinner sun7i (A20) Family
[43143.276046] Workqueue: events output_poll_execute
[43143.276124] [<c010c9ed>] (unwind_backtrace) from [<c0109501>] (show_stack+0x11/0x14)
[43143.276170] [<c0109501>] (show_stack) from [<c0966dcb>] (dump_stack+0x77/0x84)
[43143.276217] [<c0966dcb>] (dump_stack) from [<c02f44b9>] (sysfs_warn_dup+0x49/0x54)
[43143.276257] [<c02f44b9>] (sysfs_warn_dup) from [<c02f46eb>] (sysfs_do_create_link_sd+0x87/0xa8)
[43143.276302] [<c02f46eb>] (sysfs_do_create_link_sd) from [<c05c7697>] (dma_request_chan+0xb3/0x1ec)
[43143.276354] [<c05c7697>] (dma_request_chan) from [<c07fc801>] (snd_dmaengine_pcm_register+0x85/0x148)
[43143.276404] [<c07fc801>] (snd_dmaengine_pcm_register) from [<c063e755>] (sun4i_hdmi_audio_create+0x1d/0x134)
[43143.276447] [<c063e755>] (sun4i_hdmi_audio_create) from [<c063ef73>] (sun4i_hdmi_enable+0xff/0x124)
[43143.276496] [<c063ef73>] (sun4i_hdmi_enable) from [<c060ef43>] (drm_atomic_helper_commit_modeset_enables+0x14b/0x178)
[43143.276543] [<c060ef43>] (drm_atomic_helper_commit_modeset_enables) from [<c060f5d1>] (drm_atomic_helper_commit_tail_rpm+0x1d/0x4c)
[43143.276587] [<c060f5d1>] (drm_atomic_helper_commit_tail_rpm) from [<c060f9af>] (commit_tail+0x73/0x144)
[43143.276628] [<c060f9af>] (commit_tail) from [<c061034d>] (drm_atomic_helper_commit+0xd1/0xf0)
[43143.276674] [<c061034d>] (drm_atomic_helper_commit) from [<c063277b>] (drm_client_modeset_commit_atomic+0x15b/0x184)
[43143.276716] [<c063277b>] (drm_client_modeset_commit_atomic) from [<c0632825>] (drm_client_modeset_commit_locked+0x3d/0x104)
[43143.276755] [<c0632825>] (drm_client_modeset_commit_locked) from [<c0632907>] (drm_client_modeset_commit+0x1b/0x2c)
[43143.276798] [<c0632907>] (drm_client_modeset_commit) from [<c0613b33>] (__drm_fb_helper_restore_fbdev_mode_unlocked+0x6f/0x88)
[43143.276838] [<c0613b33>] (__drm_fb_helper_restore_fbdev_mode_unlocked) from [<c0613bad>] (drm_fb_helper_set_par+0x2d/0x4c)
[43143.276877] [<c0613bad>] (drm_fb_helper_set_par) from [<c0613c39>] (drm_fb_helper_hotplug_event.part.5+0x6d/0x7c)
[43143.276918] [<c0613c39>] (drm_fb_helper_hotplug_event.part.5) from [<c06320b3>] (drm_client_dev_hotplug+0x4f/0x74)
[43143.276956] [<c06320b3>] (drm_client_dev_hotplug) from [<c0606b91>] (output_poll_execute+0x145/0x14c)
[43143.277003] [<c0606b91>] (output_poll_execute) from [<c012f691>] (process_one_work+0x179/0x3dc)
[43143.277049] [<c012f691>] (process_one_work) from [<c012f9f7>] (worker_thread+0x103/0x408)
[43143.277092] [<c012f9f7>] (worker_thread) from [<c0134531>] (kthread+0x109/0x10c)
[43143.277132] [<c0134531>] (kthread) from [<c0100159>] (ret_from_fork+0x11/0x38)
[43143.277152] Exception stack(0xc660ffb0 to 0xc660fff8)
[43143.277179] ffa0:                                     00000000 00000000 00000000 00000000
[43143.277210] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[43143.277238] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000
[43143.277359] sun4i-hdmi 1c16000.hdmi: Cannot create DMA dma:audio-tx symlink
[43184.232994] sysfs: cannot create duplicate filename '/devices/platform/soc/1c16000.hdmi/dma:audio-tx'
[43184.233048] CPU: 0 PID: 9468 Comm: kworker/0:4 Tainted: G        WC  E     5.10.4-sunxi #20.11.6
[43184.233065] Hardware name: Allwinner sun7i (A20) Family
[43184.233114] Workqueue: events output_poll_execute
[43184.233194] [<c010c9ed>] (unwind_backtrace) from [<c0109501>] (show_stack+0x11/0x14)
[43184.233240] [<c0109501>] (show_stack) from [<c0966dcb>] (dump_stack+0x77/0x84)
[43184.233287] [<c0966dcb>] (dump_stack) from [<c02f44b9>] (sysfs_warn_dup+0x49/0x54)
[43184.233327] [<c02f44b9>] (sysfs_warn_dup) from [<c02f46eb>] (sysfs_do_create_link_sd+0x87/0xa8)
[43184.233371] [<c02f46eb>] (sysfs_do_create_link_sd) from [<c05c7697>] (dma_request_chan+0xb3/0x1ec)
[43184.233421] [<c05c7697>] (dma_request_chan) from [<c07fc801>] (snd_dmaengine_pcm_register+0x85/0x148)
[43184.233470] [<c07fc801>] (snd_dmaengine_pcm_register) from [<c063e755>] (sun4i_hdmi_audio_create+0x1d/0x134)
[43184.233514] [<c063e755>] (sun4i_hdmi_audio_create) from [<c063ef73>] (sun4i_hdmi_enable+0xff/0x124)
[43184.233562] [<c063ef73>] (sun4i_hdmi_enable) from [<c060ef43>] (drm_atomic_helper_commit_modeset_enables+0x14b/0x178)
[43184.233609] [<c060ef43>] (drm_atomic_helper_commit_modeset_enables) from [<c060f5d1>] (drm_atomic_helper_commit_tail_rpm+0x1d/0x4c)
[43184.233652] [<c060f5d1>] (drm_atomic_helper_commit_tail_rpm) from [<c060f9af>] (commit_tail+0x73/0x144)
[43184.233694] [<c060f9af>] (commit_tail) from [<c061034d>] (drm_atomic_helper_commit+0xd1/0xf0)
[43184.233740] [<c061034d>] (drm_atomic_helper_commit) from [<c063277b>] (drm_client_modeset_commit_atomic+0x15b/0x184)
[43184.233782] [<c063277b>] (drm_client_modeset_commit_atomic) from [<c0632825>] (drm_client_modeset_commit_locked+0x3d/0x104)
[43184.233821] [<c0632825>] (drm_client_modeset_commit_locked) from [<c0632907>] (drm_client_modeset_commit+0x1b/0x2c)
[43184.233863] [<c0632907>] (drm_client_modeset_commit) from [<c0613b33>] (__drm_fb_helper_restore_fbdev_mode_unlocked+0x6f/0x88)
[43184.233904] [<c0613b33>] (__drm_fb_helper_restore_fbdev_mode_unlocked) from [<c0613bad>] (drm_fb_helper_set_par+0x2d/0x4c)
[43184.233943] [<c0613bad>] (drm_fb_helper_set_par) from [<c0613c39>] (drm_fb_helper_hotplug_event.part.5+0x6d/0x7c)
[43184.233982] [<c0613c39>] (drm_fb_helper_hotplug_event.part.5) from [<c06320b3>] (drm_client_dev_hotplug+0x4f/0x74)
[43184.234020] [<c06320b3>] (drm_client_dev_hotplug) from [<c0606b91>] (output_poll_execute+0x145/0x14c)
[43184.234068] [<c0606b91>] (output_poll_execute) from [<c012f691>] (process_one_work+0x179/0x3dc)
[43184.234114] [<c012f691>] (process_one_work) from [<c012f9f7>] (worker_thread+0x103/0x408)
[43184.234157] [<c012f9f7>] (worker_thread) from [<c0134531>] (kthread+0x109/0x10c)
[43184.234197] [<c0134531>] (kthread) from [<c0100159>] (ret_from_fork+0x11/0x38)
[43184.234217] Exception stack(0xc1557fb0 to 0xc1557ff8)
[43184.234244] 7fa0:                                     00000000 00000000 00000000 00000000
[43184.234276] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[43184.234303] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[43184.234561] sun4i-hdmi 1c16000.hdmi: Cannot create DMA dma:audio-tx symlink

 

 

 

When does this happen? Immediately? When plugging in? Did it work before? If so with which kernel version? Does this impact hdmi usability and if so in which matter?