Created attachment 129275 [details] dmesg Running kms_atomic_transition@plane-all-transition subtest on skl with i915.nuclear_pageflip=1 causes warning: ./kms_atomic_transition --r plane-all-transition IGT-Version: 1.17-ga2fa75c (x86_64) (Linux: 4.10.0-rc6-tip-201702010159+ x86_64) Running test on pipe A with resolution 1920x1080 and sprite size 1920x1080 alpha 1 Running test on pipe A with resolution 1920x1080 and sprite size 1920x1080 alpha 1 Running test on pipe B with resolution 1920x1080 and sprite size 1920x1080 alpha 1 Running test on pipe B with resolution 1920x1080 and sprite size 1920x1080 alpha 1 Running test on pipe C with resolution 1920x1080 and sprite size 1920x1080 alpha 1 Running test on pipe C with resolution 1920x1080 and sprite size 1920x1080 alpha 1 Subtest plane-all-transition: SUCCESS (5.270s) dmesg: ====== ------------[ cut here ]------------ [ 907.492402] WARNING: CPU: 6 PID: 8138 at drivers/gpu/drm/drm_mm.c:392 drm_mm_insert_node_in_range_generic+0x315/0x320 [ 907.492403] Modules linked in: binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_intel kvm snd_hda_codec irqbypass snd_hda_core crct10dif_pclmul crc32_pclmul snd_hwdep ghash_clmulni_intel snd_pcm pcbc snd_seq_midi snd_seq_midi_event snd_rawmidi aesni_intel aes_x86_64 crypto_simd glue_helper snd_seq cryptd snd_seq_device serio_raw snd_timer hci_uart snd mei_me btbcm mei btintel soundcore shpchp bluetooth acpi_als tpm_infineon kfifo_buf mac_hid acpi_pad industrialio parport_pc ppdev lp parport autofs4 i915 igb e1000e psmouse dca xhci_pci ptp ahci xhci_hcd pps_core libahci wmi i2c_hid video pinctrl_sunrisepoint pinctrl_intel hid [ 907.492461] CPU: 6 PID: 8138 Comm: kms_atomic_tran Tainted: G U W 4.10.0-rc6-tip-201702010159+ #2 [ 907.492463] Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./H170N-WIFI-CF, BIOS F3 10/20/2015 [ 907.492464] Call Trace: [ 907.492468] dump_stack+0x63/0x87 [ 907.492473] __warn+0xd1/0xf0 [ 907.492478] warn_slowpath_null+0x1d/0x20 [ 907.492481] drm_mm_insert_node_in_range_generic+0x315/0x320 [ 907.492485] ? __enqueue_entity+0x6c/0x70 [ 907.492530] i915_gem_stolen_insert_node_in_range+0x75/0xa0 [i915] [ 907.492574] intel_fbc_enable+0x19b/0x500 [i915] [ 907.492613] intel_update_crtc+0x87/0x100 [i915] [ 907.492649] skl_update_crtcs+0x203/0x220 [i915] [ 907.492685] intel_atomic_commit_tail+0x33e/0xfc0 [i915] [ 907.492690] ? finish_task_switch+0x107/0x250 [ 907.492694] ? __schedule+0x224/0x6b0 [ 907.492729] intel_atomic_commit+0x3fa/0x4e0 [i915] [ 907.492734] ? drm_mode_object_unreference+0x3c/0x80 [ 907.492739] drm_atomic_commit+0x4b/0x50 [ 907.492745] drm_mode_atomic_ioctl+0x82e/0xa90 [ 907.492750] drm_ioctl+0x321/0x420 [ 907.492755] ? drm_atomic_debugfs_init+0x30/0x30 [ 907.492762] do_vfs_ioctl+0x96/0x5b0 [ 907.492766] ? vfs_write+0x151/0x1b0 [ 907.492771] ? acct_account_cputime+0x1c/0x20 [ 907.492776] SyS_ioctl+0x79/0x90 [ 907.492781] do_syscall_64+0x6e/0x180 [ 907.492784] entry_SYSCALL64_slow_path+0x25/0x25 [ 907.492786] RIP: 0033:0x7f368cd83357 [ 907.492788] RSP: 002b:00007ffdea70fcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 907.492791] RAX: ffffffffffffffda RBX: 00000000006b3fb0 RCX: 00007f368cd83357 [ 907.492793] RDX: 00007ffdea70fd10 RSI: 00000000c03864bc RDI: 0000000000000003 [ 907.492794] RBP: 00007ffdea70fd10 R08: 00000000006b6a30 R09: 00000000006b3be0 [ 907.492796] R10: 0000000000000002 R11: 0000000000000246 R12: 00000000c03864bc [ 907.492798] R13: 0000000000000003 R14: 0000000000000001 R15: 00000000006b1c50 [ 907.492801] ---[ end trace efa5912f3a075d13 ]--- setup: ========= SKLS1: ------ Platform SKL Gigabyte CPU: Intel(R) Core(TM) i5-6600 CPU @ 3.30GHz (family 6, model 94, stepping 3) GPU: Intel® HD Graphics 530 - Intel Corporation Sky Lake Integrated Graphics (rev 06) Motherboard version: H170N-WIFI-CF Memory: 2x 4GB Kingston 9905622-055.A00G Software Bios: F3 Linux distribution: Ubuntu 16.04 64 bits DMC 1.26 from https://01.org/sites/default/files/downloads/intelr-graphics-linux/skldmcver126.tar_1.bz2 GUC 6.1 from https://01.org/sites/default/files/downloads/intelr-graphics-linux/sklgucver61.tar.bz2 Kernel: drm-tip: 2017y-01m-30d-21h-14m-37s UTC integration manifest commit 123d798c350471aba7e0625c154c6d9e395756c8 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Jan 30 21:15:12 2017 +0000 drm:libdrm-2.4.75-3-gd4b8344 from git://anongit.freedesktop.org/mesa/drm mesa: mesa-13.0.3-bec04114 from git://anongit.freedesktop.org/mesa/mesa cairo:1.15.4-68bbb693 from git://anongit.freedesktop.org/cairo xserver: xorg-server-1.19.0-66-ga6fcb15 from git://git.freedesktop.org/git/xorg/xserver xf86-video-intel: 2.99.917-750-g2d6f2e8 from git://git.freedesktop.org/git/xorg/driver/xf86-video-intel libva: libva-1.7.3.pre1-48-ge677ad9 from git://git.freedesktop.org/git/vaapi/libva vaapi-intel-driver: 1.7.3-287-g05d2d25 from git://git.freedesktop.org/git/vaapi/intel-driver
Marking as resolved+fixed based on 4.11.0-rc4-drm-tip-qa-ww13-commit-5c7479a+ (SKL-1-NUC6i5SYB) igt@kms_atomic_transition@plane-all-transition Pass Unfortunately cannot say what commit did fix this...
no WARNING even on 500 repetitions for the case on my dev-SKL (6600k). Closing.
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