<7> [371.746910] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:32:plane 1A] blocks 49, 593, 609, 705, 705,1041, 0, 0, 63, 113, 127 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [371.746984] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:32:plane 1A] min_ddb 55, 654, 671, 777, 777,1147, 0, 0, 64, 126, 128 -> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<7> [371.747057] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:68:plane 5A] level wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7, twm, swm, stwm -> *wm0, wm1, wm2, wm3, wm4, wm5, wm6, wm7,*twm,*swm,*stwm
<7> [371.747130] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:68:plane 5A] lines 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -> 3, 37, 38, 44, 44, 65, 0, 0, 0, 7, 0
<7> [371.747205] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:68:plane 5A] blocks 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -> 49, 593, 609, 705, 705,1041, 0, 0, 63, 113, 127
<7> [371.747279] i915 0000:00:02.0: [drm:skl_compute_wm [i915]] [PLANE:68:plane 5A] min_ddb 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -> 55, 654, 671, 777, 777,1147, 0, 0, 64, 126, 128
<7> [371.750339] i915 0000:00:02.0: [drm:__intel_fbc_disable [i915]] Disabling FBC on [PLANE:32:plane 1A]
<7> [371.770423] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [371.770693] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [371.770926] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<4> [463.347699] [IGT] Inactivity timeout exceeded. Killing the current test with SIGQUIT.
<6> [463.347738] sysrq: HELP : loglevel(0-9) reboot(b) crash(c) show-all-locks(d) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) force-fb(v) show-blocked-tasks(w) dump-ftrace-buffer(z) replay-kernel-logs(R)
<6> [463.347916] sysrq: Show State
<6> [463.347922] task:systemd state:S stack:11848 pid:1 tgid:1 ppid:0 flags:0x00000000
<6> [463.347936] Call Trace:
<6> [463.347938] <TASK>
<6> [463.347942] __schedule+0x3bc/0xdb0
<6> [463.347957] schedule+0x38/0x100
<6> [463.347962] schedule_hrtimeout_range_clock+0x133/0x140
<6> [463.347972] do_epoll_wait+0x700/0x900
<6> [463.347985] ? __pfx_ep_autoremove_wake_function+0x10/0x10
<6> [463.347992] __x64_sys_epoll_wait+0x54/0x90
<6> [463.347997] ? do_syscall_64+0x2e/0x140
<6> [463.348002] do_syscall_64+0x66/0x140
<6> [463.348007] entry_SYSCALL_64_after_hwframe+0x76/0x7e
<6> [463.348013] RIP: 0033:0x7f328e58a68e