Upgrading my Alienware 17 R4 laptop to the 465.24.02 driver breaks the backlight control. The backlight is very bright (probably 100%) with the 465.24.02 driver and cannot be changed. Reverting back to the 460.67 driver restores the backlight control.
5 Likes
Here is the Nvidia bug report with the 465.24.02 driver installed:
nvidia-bug-report.log.gz (1.2 MB)
[ 0.058646] You have booted with nomodeset. This means your GPU drivers are DISABLED
[ 0.058647] Any video related functionality will be severely degraded, and you may not even be able to suspend the system properly
Please try again with the nomodeset kernel parameter removed.
I reinstalled 465.24.02 and removed the nomodeset kernel parameter when rebooting. The problem persists with 465.24.02. The nomodeset parameter is present for the 460.67 driver and the backlight control works as expected.
In case it is useful, Iāve included the bug report after booting with 465.24.02 and the nomodeset removed.
Thanks
nvidia-bug-report.log.gz (1.2 MB)
[ 6.576311] audit: type=1130 audit(1618879473.126:108): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg=āunit=systemd-backlight@backlight:acpi_video1 comm=āsystemdā exe=ā/usr/lib/systemd/systemdā hostname=? addr=? terminal=? res=failedā
What would the output of sudo systemctl status systemd-backlight@backlight:acpi_video1 show in the failed state?
Could you maybe also try with the kernel parameter: acpi_backlight=vendor
1 Like
The output of the systemctl status is:
ā systemd-backlight@backlight:acpi_video1.service - Load/Save Screen Backlight Brightness of backlight:acpi_video1
Loaded: loaded (/usr/lib/systemd/system/systemd-backlight@.service; static)
Active: inactive (dead)
Docs: man:systemd-backlight@.service(8)
Using acpi_backlight=vendor makes no difference.
Thanks for the suggestions.
1 Like
Also tried acpi_backlight=video with 465.24.02 without success.
xbacklight also does not change the backlight brightness. I can use āxrandr --output DP-0 --brightness 0.7ā to dim the super bright display, but that is an ugly workaround.
460.73.01 works as expected.
It would be appreciated if someone from nvidia confirmed this regression.
1 Like
Iām having the same issue tbeckman reported on an Alienware 15 R3 with nvidia driver 465.24.02, while everything works fine using 460.67.
Iād like to add that in /sys/class/backlight/nvidia_0 folder, the values within brightness and actual_brightness do change when using hotkeys or tools like xbacklight, but it looks like they are not honored anymore.
Iām attaching a bug report hoping it may prove helpful: nvidia-bug-report.log.gz (396.8 KB)
1 Like
This regression is still present in 465.27.
1 Like
Still present in 465.31. Downgrading to 460.67 still fixes the issue. Is this regression confirmed/being looked into?
For the record: Backlight doesn't work at all / Laptop Issues / Arch Linux Forums
2 Likes
This regression is still present in 470.42.01. The last working driver Iāve found is 460.73.01.
@amrits - @aplattner - Can you please acknowledge that youāve seen this bug and are going to look into it?
1 Like
regression still present in 470.57.02
2 Likes
nvidia-dkms 460.67-1 was working fine with 5.12.15, but then I upgraded to linux-5.13.4 and it breaks, Iām getting this error when upgrading:
==> dkms install --no-depmod -m nvidia -v 460.67 -k 5.13.4-arch1-1
Error! Bad return status for module build on kernel: 5.13.4-arch1-1 (x86_64)
Consult /var/lib/dkms/nvidia/460.67/build/make.log for more information.
==> Warning, `dkms install --no-depmod -m nvidia -v 460.67 -k 5.13.4-arch1-1' returned 10
/var/lib/dkms/nvidia/460.67/build/make.log says:
DKMS make.log for nvidia-460.67 for kernel 5.13.4-arch1-1 (x86_64)
Thu Jul 22 01:16:42 PM CEST 2021
make[1]: Entering directory '/usr/lib/modules/5.13.4-arch1-1/build'
SYMLINK /var/lib/dkms/nvidia/460.67/build/nvidia/nv-kernel.o
SYMLINK /var/lib/dkms/nvidia/460.67/build/nvidia-modeset/nv-modeset-kernel.o
CONFTEST: hash__remap_4k_pfn
CONFTEST: set_pages_uc
CONFTEST: list_is_first
CONFTEST: set_memory_uc
CONFTEST: set_memory_array_uc
CONFTEST: set_pages_array_uc
CONFTEST: acquire_console_sem
CONFTEST: console_lock
CONFTEST: ioremap_cache
CONFTEST: ioremap_wc
CONFTEST: acpi_walk_namespace
CONFTEST: sg_alloc_table
CONFTEST: pci_get_domain_bus_and_slot
CONFTEST: get_num_physpages
CONFTEST: efi_enabled
CONFTEST: pde_data
CONFTEST: proc_remove
CONFTEST: pm_vt_switch_required
CONFTEST: xen_ioemu_inject_msi
CONFTEST: phys_to_dma
CONFTEST: get_dma_ops
CONFTEST: dma_attr_macros
CONFTEST: dma_map_page_attrs
CONFTEST: write_cr4
CONFTEST: of_get_property
CONFTEST: of_find_node_by_phandle
CONFTEST: of_node_to_nid
CONFTEST: pnv_pci_get_npu_dev
CONFTEST: node_end_pfn
CONFTEST: pci_bus_address
CONFTEST: of_get_ibm_chip_id
CONFTEST: pci_stop_and_remove_bus_device
CONFTEST: pci_remove_bus_device
CONFTEST: register_cpu_notifier
CONFTEST: cpuhp_setup_state
CONFTEST: dma_map_resource
CONFTEST: backlight_device_register
CONFTEST: get_backlight_device_by_name
CONFTEST: timer_setup
CONFTEST: pci_enable_msix_range
CONFTEST: kernel_read_has_pointer_pos_arg
CONFTEST: kernel_write
CONFTEST: kthread_create_on_node
CONFTEST: of_find_matching_node
CONFTEST: dev_is_pci
CONFTEST: dma_direct_map_resource
CONFTEST: tegra_get_platform
CONFTEST: tegra_bpmp_send_receive
CONFTEST: flush_cache_all
CONFTEST: vmf_insert_pfn
CONFTEST: jiffies_to_timespec
CONFTEST: ktime_get_raw_ts64
CONFTEST: ktime_get_real_ts64
CONFTEST: full_name_hash
CONFTEST: hlist_for_each_entry
CONFTEST: pci_enable_atomic_ops_to_root
CONFTEST: vga_tryget
CONFTEST: pgprot_decrypted
CONFTEST: iterate_fd
CONFTEST: seq_read_iter
CONFTEST: address_space_init_once
CONFTEST: kbasename
CONFTEST: vzalloc
CONFTEST: wait_on_bit_lock_argument_count
CONFTEST: bitmap_clear
CONFTEST: usleep_range
CONFTEST: radix_tree_empty
CONFTEST: pnv_npu2_init_context
CONFTEST: radix_tree_replace_slot
CONFTEST: cpumask_of_node
CONFTEST: drm_dev_unref
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CONFTEST: get_user_pages_remote
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CONFTEST: drm_atomic_state_ref_counting
CONFTEST: drm_driver_has_gem_prime_res_obj
CONFTEST: drm_atomic_helper_connector_dpms
CONFTEST: drm_connector_funcs_have_mode_in_name
CONFTEST: drm_framebuffer_get
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CONFTEST: drm_dev_put
CONFTEST: drm_format_num_planes
CONFTEST: drm_connector_for_each_possible_encoder
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CONFTEST: drm_vma_offset_exact_lookup_locked
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CONFTEST: is_export_symbol_gpl_of_node_to_nid
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CONFTEST: is_export_symbol_present_nvhost_get_default_device
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CONFTEST: is_export_symbol_present_nvhost_syncpt_unit_interface_get_aperture
CONFTEST: is_export_symbol_present_tegra_dce_register_ipc_client
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CONFTEST: is_export_symbol_present_dram_clk_to_mc_clk
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CONFTEST: is_export_symbol_present_tegra_dram_types
CONFTEST: is_export_symbol_present_kthread_create_on_node
CONFTEST: acpi_op_remove
CONFTEST: outer_flush_all
CONFTEST: file_operations
CONFTEST: file_inode
CONFTEST: kuid_t
CONFTEST: dma_ops
CONFTEST: swiotlb_dma_ops
CONFTEST: noncoherent_swiotlb_dma_ops
CONFTEST: vm_fault_has_address
CONFTEST: backlight_properties_type
CONFTEST: vm_insert_pfn_prot
CONFTEST: vmf_insert_pfn_prot
CONFTEST: vm_ops_fault_removed_vma_arg
CONFTEST: vmbus_channel_has_ringbuffer_page
CONFTEST: device_driver_of_match_table
CONFTEST: device_of_node
CONFTEST: node_states_n_memory
CONFTEST: kmem_cache_has_kobj_remove_work
CONFTEST: sysfs_slab_unlink
CONFTEST: proc_ops
CONFTEST: timespec64
CONFTEST: vmalloc_has_pgprot_t_arg
CONFTEST: acpi_fadt_low_power_s0
CONFTEST: mm_has_mmap_lock
CONFTEST: pci_channel_state
CONFTEST: address_space
CONFTEST: backing_dev_info
CONFTEST: mm_context_t
CONFTEST: vm_fault_t
CONFTEST: mmu_notifier_ops_invalidate_range
CONFTEST: drm_bus_present
CONFTEST: drm_bus_has_bus_type
CONFTEST: drm_bus_has_get_irq
CONFTEST: drm_bus_has_get_name
CONFTEST: drm_driver_has_device_list
CONFTEST: drm_driver_has_legacy_dev_list
CONFTEST: drm_driver_has_set_busid
CONFTEST: drm_crtc_state_has_connectors_changed
CONFTEST: drm_init_function_args
CONFTEST: drm_helper_mode_fill_fb_struct
CONFTEST: drm_master_drop_has_from_release_arg
CONFTEST: drm_driver_unload_has_int_return_type
CONFTEST: drm_atomic_helper_crtc_destroy_state_has_crtc_arg
CONFTEST: drm_mode_object_find_has_file_priv_arg
CONFTEST: dma_buf_owner
CONFTEST: drm_connector_list_iter
CONFTEST: drm_atomic_helper_swap_state_has_stall_arg
CONFTEST: drm_driver_prime_flag_present
CONFTEST: drm_gem_object_has_resv
CONFTEST: drm_crtc_state_has_async_flip
CONFTEST: drm_crtc_state_has_pageflip_flags
CONFTEST: drm_format_modifiers_present
CONFTEST: drm_vma_node_is_allowed_has_tag_arg
CONFTEST: drm_vma_offset_node_has_readonly
CONFTEST: drm_display_mode_has_vrefresh
CONFTEST: drm_driver_master_set_has_int_return_type
CONFTEST: drm_driver_has_gem_free_object
CONFTEST: drm_prime_pages_to_sg_has_drm_device_arg
CONFTEST: drm_driver_has_gem_prime_callbacks
CONFTEST: drm_crtc_atomic_check_has_atomic_state_arg
CONFTEST: drm_gem_object_vmap_has_map_arg
CONFTEST: dom0_kernel_present
CONFTEST: nvidia_vgpu_kvm_build
CONFTEST: nvidia_grid_build
CONFTEST: nvidia_grid_csp_build
CONFTEST: pm_runtime_available
CONFTEST: pci_class_multimedia_hd_audio
CONFTEST: drm_available
CONFTEST: drm_atomic_available
CONFTEST: is_export_symbol_gpl_refcount_inc
CONFTEST: is_export_symbol_gpl_refcount_dec_and_test
CONFTEST: drm_alpha_blending_available
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CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_channel_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_ce_test.o
/var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_test.c: In function āuvm_test_ioctlā:
/var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_test.c:303:1: warning: the frame size of 2240 bytes is larger than 2048 bytes [-Wframe-larger-than=]
303 | }
| ^
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_lock_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_perf_utils_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_kvmalloc_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_pmm_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_pmm_sysmem_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_perf_events_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_perf_module_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_get_rm_ptes_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_fault_buffer_flush_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_mmu_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_peer_identity_mappings_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_va_block_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_range_group_tree_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_rb_tree_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-uvm/uvm_thread_context_test.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-modeset/nvidia-modeset-linux.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-modeset/nv-kthread-q.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-drv.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-utils.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-crtc.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-encoder.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-connector.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-gem.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-fb.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-modeset.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-prime-fence.o
/var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-crtc.c:311:23: error: initialization of āint (*)(struct drm_plane *, struct drm_atomic_state *)ā from incompatible pointer type āint (*)(struct drm_plane *, struct drm_plane_state *)ā [-Werror=incompatible-pointer-types]
311 | .atomic_check = nv_drm_plane_atomic_check,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-crtc.c:311:23: note: (near initialization for ānv_plane_helper_funcs.atomic_checkā)
/var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-crtc.c:312:23: error: initialization of āvoid (*)(struct drm_plane *, struct drm_atomic_state *)ā from incompatible pointer type āvoid (*)(struct drm_plane *, struct drm_plane_state *)ā [-Werror=incompatible-pointer-types]
312 | .atomic_update = nv_drm_plane_atomic_update,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-crtc.c:312:23: note: (near initialization for ānv_plane_helper_funcs.atomic_updateā)
/var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-crtc.c:313:23: error: initialization of āvoid (*)(struct drm_plane *, struct drm_atomic_state *)ā from incompatible pointer type āvoid (*)(struct drm_plane *, struct drm_plane_state *)ā [-Werror=incompatible-pointer-types]
313 | .atomic_disable = nv_drm_plane_atomic_disable,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-crtc.c:313:23: note: (near initialization for ānv_plane_helper_funcs.atomic_disableā)
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-linux.o
CC [M] /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-helper.o
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:273: /var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-crtc.o] Error 1
make[2]: *** Waiting for unfinished jobs....
/var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-modeset.c: In function ā__will_generate_flip_eventā:
/var/lib/dkms/nvidia/460.67/build/nvidia-drm/nvidia-drm-modeset.c:96:23: warning: unused variable āprimary_planeā [-Wunused-variable]
96 | struct drm_plane *primary_plane = crtc->primary;
| ^~~~~~~~~~~~~
make[1]: *** [Makefile:1852: /var/lib/dkms/nvidia/460.67/build] Error 2
make[1]: Leaving directory '/usr/lib/modules/5.13.4-arch1-1/build'
make: *** [Makefile:80: modules] Error 2
have same issue on:
os: manjaro kde Pahvo 21.1.0
laptop: Acer Predator PH517-51
Driver Version: 470.57.02
GPU: 1070
1 Like
Same issue here: everything works with 460.67 and breaks from 465 on.
OS: Arch Linux
GPU: GeForce TX 1060
Linux 5.13.4 - Nvidia driver 470x, brightness issue present
Downgraded to Linux 5.12.9 and nVidia driver 460x. Brightness control now works again.
Kernel parameter (acpi_osi=) (pcie_aspm=force) works for me.
There isnāt a lot of documentation on this regression.
OS:Arch Linux 5.13.4 (Downgraded: Arch Linux 5.12.9)
Driver: Nvidia 470.57.02 (Downgraded: 460.67-9)
Laptop: Aorus X7-DT-V7
GPU: Nvidia GTX 1080
1 Like
Iām also experiencing this issue on a Dell G15 5515 with a NVIDIA GA106M (RTX 3060 Mobile). I havenāt been able to get the backlight to work with either linux 5.10.54 or 5.13.4 with the nvidia 470.57.02 driver. I am now compiling the Linux 5.12.9 kernel now to try to use with the nvidia 460x driver, like thatman has suggested, to see if that workaround works for me.
Backlight control works completely when disabling the optimus functionality in the BIOS so that only the nvidia card is used. When optimus is disabled in the BIOS, I get a /sys/class/backlight/nvidia_0 directory that works for controlling the backlight. When optimus is enabled, I donāt see a /sys/class/backlight/nvidia_0 directory and the directories that are available in /sys/class/backlight/nvidia (acpi_video0, amdgpu_bl0) do not control the backlight
1 Like
The same here. Issue present since Nvidia 465 driver.
Machine: CLEVO P775TM1
OS: Manjaro
Kernel: 5.10.53-1-MANJARO
GPU: Nvidia RTX 2080 Mobile (no optimus, just dedicated Nvidia card)
Brightness control worked pretty well until upgrade to 465.
Iāve tried all known solutions (kernel parameters, xorg options), but no success.
Last working conf was: nvidia 460 and acpi_backlight=video.
2 Likes
Please list the contents of /sys/class/backlight via
ls /sys/class/backlight
Also please boot the system without parameter without nvidia-drm.modeset=1 and share test results.