FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit 75d04a3773ecee617847de963ae4195d6aa74c28 ("drm/i915/gtt: Allocate va range only if vma is not bound") <6>[ 183.045461] [drm] stuck on render ring <6>[ 183.055187] [drm] GPU HANG: ecode 5:0:0xfaffffff, in kms_flip [2045], reason: Ring hung, action: reset <6>[ 183.065551] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. <6>[ 183.077974] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel <6>[ 183.087866] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. <6>[ 183.098583] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. <6>[ 183.109000] [drm] GPU crash dump saved to /sys/class/drm/card0/error <4>[ 183.116286] ------------[ cut here ]------------ <4>[ 183.121560] WARNING: CPU: 0 PID: 2045 at drivers/gpu/drm/i915/intel_display.c:3272 intel_crtc_wait_for_pending_flips+0x19a/0x270 [i915]() <4>[ 183.136906] WARN_ON(ret) <4>[ 183.139220] Modules linked in: ipmi_watchdog ipmi_msghandler rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver sg sd_mod sr_mod cdrom coretemp snd_hda_codec_hdmi kvm_intel kvm crct10dif_pclmul snd_hda_codec_conexant snd_hda_codec_generic crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hda_intel aesni_intel firewire_ohci ppdev lrw gf128mul glue_helper mxm_wmi firewire_core ablk_helper crc_itu_t i915 cryptd sdhci_pci snd_hda_codec sdhci mmc_core microcode pcspkr ahci libahci serio_raw i2c_i801 libata intel_ips shpchp uvcvideo videobuf2_vmalloc drm_kms_helper snd_hda_core snd_hwdep videobuf2_core snd_pcm videobuf2_memops v4l2_common snd_timer videodev drm thinkpad_acpi snd soundcore rfkill parport_pc parport wmi video acpi_cpufreq <4>[ 183.185953] CPU: 0 PID: 2045 Comm: kms_flip Tainted: G U 4.1.0-rc6-03761-gba05e311 #1 <4>[ 183.189984] Hardware name: LENOVO 25222AU/25222AU, BIOS 6IET52WW (1.12 ) 02/16/2010 <47> [ 183.190877] systemd-journald[118]: Compressed data object 714 -> 500 <4>[ 183.196116] ffffffffa0432cd0 ffff880076acb9e8 ffffffff818c4c34 ffff8800670124f8 <4>[ 183.199773] ffff880076acba38 ffff880076acba28 ffffffff8107682a 0000000000000000 <4>[ 183.202515] ffff8800755d0000 0000000000000001 ffff880076f8d000 ffff88007522b060 <4>[ 183.206128] Call Trace: <4>[ 183.207634] [] dump_stack+0x4c/0x65 <4>[ 183.209792] [] warn_slowpath_common+0x8a/0xc0 <4>[ 183.212228] [] warn_slowpath_fmt+0x46/0x50 <4>[ 183.214606] [] ? i915_gem_object_wait_rendering+0x71/0xc0 [i915] <4>[ 183.218225] [] intel_crtc_wait_for_pending_flips+0x19a/0x270 [i915] <4>[ 183.221987] [] intel_begin_crtc_commit+0x1f8/0x200 [i915] <4>[ 183.225512] [] drm_atomic_helper_commit_planes_on_crtc+0x55/0x270 [drm_kms_helper] <4>[ 183.229610] [] __intel_set_mode+0x681/0x7f0 [i915] <4>[ 183.232197] [] intel_crtc_set_config+0x488/0x5d0 [i915] <4>[ 183.235570] [] ? mutex_lock+0x29/0x50 <4>[ 183.237824] [] drm_mode_set_config_internal+0x66/0x100 [drm] <4>[ 183.240521] [] drm_mode_setcrtc+0x189/0x540 [drm] <4>[ 183.243976] [] drm_ioctl+0x196/0x680 [drm] <4>[ 183.246212] [] do_vfs_ioctl+0x308/0x540 <4>[ 183.248541] [] ? file_has_perm+0x87/0xa0 <4>[ 183.251605] [] ? recalc_sigpending+0x1/0x60 <4>[ 183.254019] [] ? __do_page_fault+0x1e4/0x480 <4>[ 183.256360] [] SyS_ioctl+0x81/0xa0 <4>[ 183.258600] [] ? sys_rt_sigreturn+0xb4/0xc0 <4>[ 183.261715] [] system_call_fastpath+0x12/0x71 <4>[ 183.264222] ---[ end trace 5809d00685c399f4 ]--- <5>[ 183.274234] drm/i915: Resetting chip after gpu hang <6>[ 190.041735] [drm] stuck on render ring <6>[ 190.052025] [drm] GPU HANG: ecode 5:0:0xfaffffff, in kms_flip [2045], reason: Ring hung, action: reset <3>[ 190.062501] [drm:i915_set_reset_status [i915]] *ERROR* gpu hanging too fast, banning! <5>[ 190.083543] drm/i915: Resetting chip after gpu hang <3>[ 190.086344] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun <3>[ 190.086389] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun <4>[ 286.889567] gem_concurrent_ invoked oom-killer: gfp_mask=0xa00d2, order=0, oom_score_adj=1000 <6>[ 286.900711] gem_concurrent_ cpuset=/ mems_allowed=0 <4>[ 286.907537] CPU: 3 PID: 2730 Comm: gem_concurrent_ Tainted: G U W 4.1.0-rc6-03761-gba05e311 #1 <4>[ 286.920806] Hardware name: LENOVO 25222AU/25222AU, BIOS 6IET52WW (1.12 ) 02/16/2010 To reproduce: apt-get install ruby git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/setup-local job.yaml # the job file attached in this email bin/run-local job.yaml Thanks, Ying Huang ------------------------------------- lkp@eclists.intel.com https://eclists.intel.com/sympa/info/lkp Unsubscribe by sending email to sympa@eclists.intel.com with subject "Unsubscribe lkp"