On 2024-04-11 11:54, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 6.8.6 release. There are 143 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
With this -rc1 I see the following WARNING noise on my AMD Zen2 Thinkpad during boot: --snip-- Apr 11 16:08:45 hho kernel: [drm] Initialized amdgpu 3.57.0 20150101 for 0000:06:00.0 on minor 0 Apr 11 16:08:45 hho kernel: ------------[ cut here ]------------ Apr 11 16:08:45 hho kernel: amdgpu 0000:06:00.0: drm_WARN_ON_ONCE(!dev->mode_config.poll_enabled) Apr 11 16:08:45 hho kernel: WARNING: CPU: 10 PID: 728 at drivers/gpu/drm/drm_probe_helper.c:305 drm_kms_helper_poll_enable+0x129/0x130 [drm_kms_helper] Apr 11 16:08:45 hho kernel: Modules linked in: sch_fq_codel bpf_preload uvcvideo videobuf2_vmalloc videobuf2_memops uvc videobuf2_v4l2 mousedev videodev videobuf2_common mc snd_ctl_led snd_hda_codec_realtek iwlmvm amdgpu(+) snd_hda_codec_generic mac80211 libarc4 snd_hda_codec_hdmi pkcs8_key_parser edac_mce_amd i2c_algo_bit drm_ttm_helper crct10dif_pclmul crc32_pclmul crc32c_intel ttm snd_hda_intel ghash_clmulni_intel drm_exec snd_intel_dspcfg sha512_ssse3 drm_suballoc_helper amdxcp sha256_ssse3 snd_hda_codec drm_buddy gpu_sched sha1_ssse3 snd_hwdep iwlwifi snd_hda_core lm92 drm_display_helper thinkpad_acpi snd_pcm cec snd_rn_pci_acp3x ledtrig_audio snd_timer wmi_bmof drivetemp drm_kms_helper psmouse rapl r8169 platform_profile snd_acp_config cfg80211 serio_raw realtek k10temp snd_soc_acpi ipmi_devintf snd ucsi_acpi mdio_devres drm snd_pci_acp3x i2c_piix4 soundcore rfkill typec_ucsi ipmi_msghandler libphy video roles typec battery ac wmi i2c_scmi button Apr 11 16:08:45 hho kernel: CPU: 10 PID: 728 Comm: (udev-worker) Not tainted 6.8.6 #1 Apr 11 16:08:45 hho kernel: Hardware name: LENOVO 20U50001GE/20U50001GE, BIOS R19ET32W (1.16 ) 01/26/2021 Apr 11 16:08:45 hho kernel: RIP: 0010:drm_kms_helper_poll_enable+0x129/0x130 [drm_kms_helper] Apr 11 16:08:45 hho kernel: Code: 48 8b 5f 50 48 85 db 75 03 48 8b 1f e8 90 58 f8 e0 48 c7 c1 a0 0a 67 a0 48 89 da 48 c7 c7 84 14 67 a0 48 89 c6 e8 27 b2 a6 e0 <0f> 0b e9 08 ff ff ff 0f 1f 44 00 00 48 b8 e0 ff ff ff 0f 00 00 00 Apr 11 16:08:45 hho kernel: RSP: 0018:ffffc900005ff918 EFLAGS: 00010296 Apr 11 16:08:45 hho kernel: RAX: 0000000000000045 RBX: ffff88810173c5b0 RCX: 0000000000000027 Apr 11 16:08:45 hho kernel: RDX: ffff8887ef69c6c8 RSI: 0000000000000001 RDI: ffff8887ef69c6c0 Apr 11 16:08:45 hho kernel: RBP: 0000000000000000 R08: 00000000fffeffff R09: 0000000000000001 Apr 11 16:08:45 hho kernel: R10: 0000000000000000 R11: ffff8887eec80000 R12: ffff88810e380010 Apr 11 16:08:45 hho kernel: R13: ffff88810e380010 R14: 0000000000000003 R15: ffffffffa03b69ce Apr 11 16:08:45 hho kernel: FS: 00007f7472869800(0000) GS:ffff8887ef680000(0000) knlGS:0000000000000000 Apr 11 16:08:45 hho kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 11 16:08:45 hho kernel: CR2: 00005607b50f5000 CR3: 0000000104f3e000 CR4: 0000000000350ef0 Apr 11 16:08:45 hho kernel: Call Trace: Apr 11 16:08:45 hho kernel: <TASK> Apr 11 16:08:45 hho kernel: ? drm_kms_helper_poll_enable+0x129/0x130 [drm_kms_helper] Apr 11 16:08:45 hho kernel: ? __warn+0x7d/0x120 Apr 11 16:08:45 hho kernel: ? drm_kms_helper_poll_enable+0x129/0x130 [drm_kms_helper] Apr 11 16:08:45 hho kernel: ? report_bug+0x155/0x180 Apr 11 16:08:45 hho kernel: ? handle_bug+0x36/0x70 Apr 11 16:08:45 hho kernel: ? exc_invalid_op+0x13/0x60 Apr 11 16:08:45 hho kernel: ? asm_exc_invalid_op+0x16/0x20 Apr 11 16:08:45 hho kernel: ? drm_kms_helper_poll_enable+0x129/0x130 [drm_kms_helper] Apr 11 16:08:45 hho kernel: ? drm_kms_helper_poll_enable+0x129/0x130 [drm_kms_helper] Apr 11 16:08:45 hho kernel: drm_helper_probe_single_connector_modes+0x167/0x4f0 [drm_kms_helper] Apr 11 16:08:45 hho kernel: drm_client_modeset_probe+0x1e0/0x1350 [drm] Apr 11 16:08:45 hho kernel: ? __cond_resched+0x16/0x40 Apr 11 16:08:45 hho kernel: ? kmalloc_trace+0xfd/0x280 Apr 11 16:08:45 hho kernel: ? __pm_runtime_suspend+0x67/0xb0 Apr 11 16:08:45 hho kernel: __drm_fb_helper_initial_config_and_unlock+0x2d/0x490 [drm_kms_helper] Apr 11 16:08:45 hho kernel: ? drm_file_alloc+0x1af/0x250 [drm] Apr 11 16:08:45 hho kernel: ? __cond_resched+0x16/0x40 Apr 11 16:08:45 hho kernel: drm_fbdev_generic_client_hotplug+0x62/0xb0 [drm_kms_helper] Apr 11 16:08:45 hho kernel: drm_client_register+0x5a/0x90 [drm] Apr 11 16:08:45 hho kernel: amdgpu_pci_probe+0x465/0x4d0 [amdgpu] Apr 11 16:08:45 hho kernel: local_pci_probe+0x39/0x80 Apr 11 16:08:45 hho kernel: pci_device_probe+0xa1/0x1b0 Apr 11 16:08:45 hho kernel: really_probe+0x156/0x2e0 Apr 11 16:08:45 hho kernel: ? __device_attach_driver+0x100/0x100 Apr 11 16:08:45 hho kernel: __driver_probe_device+0x73/0x110 Apr 11 16:08:45 hho kernel: driver_probe_device+0x1f/0xe0 Apr 11 16:08:45 hho kernel: __driver_attach+0x7d/0x180 Apr 11 16:08:45 hho kernel: bus_for_each_dev+0x60/0x90 Apr 11 16:08:45 hho kernel: bus_add_driver+0xe4/0x1e0 Apr 11 16:08:45 hho kernel: driver_register+0x55/0xf0 Apr 11 16:08:45 hho kernel: ? 0xffffffffa020a000 Apr 11 16:08:45 hho kernel: do_one_initcall+0x41/0x1c0 Apr 11 16:08:45 hho kernel: ? kmalloc_trace+0x1d5/0x280 Apr 11 16:08:45 hho kernel: do_init_module+0x60/0x230 Apr 11 16:08:45 hho kernel: init_module_from_file+0x79/0xb0 Apr 11 16:08:45 hho kernel: __x64_sys_finit_module+0x155/0x280 Apr 11 16:08:45 hho kernel: do_syscall_64+0x49/0x110 Apr 11 16:08:45 hho kernel: entry_SYSCALL_64_after_hwframe+0x4b/0x53 Apr 11 16:08:45 hho kernel: RIP: 0033:0x7f7472a740e9 Apr 11 16:08:45 hho kernel: Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 07 ed 0c 00 f7 d8 64 89 01 48 Apr 11 16:08:45 hho kernel: RSP: 002b:00007ffcff3f42d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 Apr 11 16:08:45 hho kernel: RAX: ffffffffffffffda RBX: 0000564f9b3f5d50 RCX: 00007f7472a740e9 Apr 11 16:08:45 hho kernel: RDX: 0000000000000004 RSI: 00007f7472c50369 RDI: 0000000000000017 Apr 11 16:08:45 hho kernel: RBP: 0000000000000004 R08: 00007f7472b43b20 R09: 0000564f9b3af700 Apr 11 16:08:45 hho kernel: R10: 0000000000000050 R11: 0000000000000246 R12: 00007f7472c50369 Apr 11 16:08:45 hho kernel: R13: 0000000000020000 R14: 0000564f9b41d6b0 R15: 0000000000000000 Apr 11 16:08:45 hho kernel: </TASK> Apr 11 16:08:45 hho kernel: ---[ end trace 0000000000000000 ]--- Apr 11 16:08:45 hho kernel: fbcon: amdgpudrmfb (fb0) is primary device --snap-- This is due to "drm-check-output-polling-initialized-before-disablin.patch" which needs a followup patch to work properly, otherwise the above drm_WARN_ON_ONCE always fires for the wrong reason. The commit in mainline is: 048a36d8a608 "drm: Check polling initialized before enabling in drm_helper_probe_single_connector_modes" With that commit amdgpu initialisation is happy again: no more WARN_ON_ONCE on boot. cheers Holger
