Control: tags -1 + moreinfo On Fri, Dec 25, 2020 at 02:28:36PM -0500, Neil wrote: > Package: src:linux > Version: 5.10.2-1~exp1 > Severity: minor > > Hello there, > > The following message was found after suspension in dmesg: > > [ 1305.813835] WARNING: CPU: 2 PID: 5507 at > drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link.c:2548 > dc_link_set_backlight_level+0x8a/0xf0 [amdgpu] > [ 1305.813837] Modules linked in: ctr ccm rfcomm nf_tables nfnetlink cmac > algif_hash algif_skcipher af_alg bnep tpm_crb btusb snd_hda_codec_conexant > btrtl snd_hda_codec_hdmi btbcm btintel btrfs snd_hda_codec_generic bluetooth > snd_hda_intel snd_intel_dspcfg jitterentropy_rng soundwire_intel edac_mce_amd > soundwire_generic_allocation snd_soc_core drbg kvm_amd rtw88_8822be > rtw88_8822b > blake2b_generic snd_compress rtw88_pci kvm soundwire_cadence xor rtw88_core > snd_hda_codec uvcvideo nls_ascii snd_hda_core snd_hwdep videobuf2_vmalloc > nls_cp437 videobuf2_memops videobuf2_v4l2 irqbypass videobuf2_common videodev > vfat soundwire_bus mac80211 mc fat ghash_clmulni_intel aes_generic aesni_intel > snd_pcm ansi_cprng snd_rn_pci_acp3x ecdh_generic snd_pci_acp3x ecc > thinkpad_acpi crypto_simd crc16 libaes cryptd snd_timer glue_helper cfg80211 > nvram ledtrig_audio snd raid6_pq libarc4 soundcore rapl sg rfkill ac joydev > k10temp ccp sp5100_tco watchdog tpm_tis tpm_tis_core tpm ucsi_acpi > acpi_cpufreq > wmi_bmof > [ 1305.813920] rng_core evdev typec_ucsi typec efi_pstore serio_raw pcspkr > fuse configfs efivarfs ip_tables x_tables autofs4 xfs libcrc32c crc32c_generic > sd_mod amdgpu rtsx_pci_sdmmc mmc_core gpu_sched i2c_algo_bit ttm xhci_pci > drm_kms_helper i2c_piix4 ahci nvme libahci xhci_hcd crc32_pclmul cec > crc32c_intel libata psmouse nvme_core drm usbcore scsi_mod t10_pi r8169 > crc_t10dif realtek mdio_devres usb_common libphy rtsx_pci crct10dif_generic > crct10dif_pclmul crct10dif_common wmi battery video i2c_scmi button > [ 1305.813979] CPU: 2 PID: 5507 Comm: xfpm-power-back Tainted: G W > 5.10.0-trunk-amd64 #1 Debian 5.10.2-1~exp1 > [ 1305.813981] Hardware name: LENOVO 20NECTO1WW/20NECTO1WW, BIOS R11ET40P > (1.20 > ) 11/17/2020 > [ 1305.814140] RIP: 0010:dc_link_set_backlight_level+0x8a/0xf0 [amdgpu] > [ 1305.814144] Code: 60 03 00 00 31 c0 48 8d 96 c0 01 00 00 48 8b 0a 48 85 c9 > 74 06 48 3b 59 08 74 20 83 c0 01 48 81 c2 d8 04 00 00 83 f8 06 75 e3 <0f> 0b > 45 > 31 e4 5b 44 89 e0 5d 41 5c 41 5d 41 5e c3 48 98 48 69 c0 > [ 1305.814147] RSP: 0018:ffffb37602b43df0 EFLAGS: 00010246 > [ 1305.814150] RAX: 0000000000000006 RBX: ffff9e108a973800 RCX: > 0000000000000000 > [ 1305.814152] RDX: ffff9e1089681ed0 RSI: ffff9e1089680000 RDI: > 0000000000000000 > [ 1305.814153] RBP: ffff9e108a910000 R08: 0000000000000033 R09: > 000000000000000a > [ 1305.814155] R10: 000000000000000a R11: f000000000000000 R12: > 0000000000003501 > [ 1305.814156] R13: 0000000000000000 R14: 000000000000359c R15: > ffff9e10fc023820 > [ 1305.814159] FS: 00007ff8adfc3b80(0000) GS:ffff9e1234a80000(0000) > knlGS:0000000000000000 > [ 1305.814161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 1305.814163] CR2: 00007ff8ae0aade0 CR3: 000000010947e000 CR4: > 00000000003506e0 > [ 1305.814165] Call Trace: > [ 1305.814340] amdgpu_dm_backlight_update_status+0xb4/0xc0 [amdgpu] > [ 1305.814349] backlight_device_set_brightness+0x7e/0x130 > [ 1305.814355] ? kernfs_fop_write+0x131/0x1b0 > [ 1305.814360] brightness_store+0x5b/0x70 > [ 1305.814364] kernfs_fop_write+0xce/0x1b0 > [ 1305.814370] vfs_write+0xc0/0x260 > [ 1305.814374] ksys_write+0x5f/0xe0 > [ 1305.814380] do_syscall_64+0x33/0x80 > [ 1305.814385] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > [ 1305.814389] RIP: 0033:0x7ff8ae148ed3 > [ 1305.814392] Code: 8b 15 c1 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb > b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d > 00 > f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 > [ 1305.814394] RSP: 002b:00007ffc381e0b88 EFLAGS: 00000246 ORIG_RAX: > 0000000000000001 > [ 1305.814396] RAX: ffffffffffffffda RBX: 0000563a13783000 RCX: > 00007ff8ae148ed3 > [ 1305.814398] RDX: 0000000000000002 RSI: 0000563a13781eb0 RDI: > 0000000000000003 > [ 1305.814399] RBP: 0000563a13781eb0 R08: 0000000000000000 R09: > 0000000000000002 > [ 1305.814400] R10: 00007ffc381e08e6 R11: 0000000000000246 R12: > 0000000000000003 > [ 1305.814402] R13: 00007ffc381e0c08 R14: 0000000000000002 R15: > 0000000000000001
is this still something you can reproduce with a recent 5.10.y kernel? Regards, Salvatore
