igt@gem_ctx_exec@basic-nohangcheck - timeout - Per-test timeout exceeded. Killing the current test with SIGQUIT

http://gfx-ci.igk.intel.com/cibuglog-ng/testresult/1578593438?query_key=5f6964f1394dcaa5722388e3b5afd0ef741ca15d

<7> [419.458937] i915 0000:00:02.0: [drm:intel_dp_aux_xfer [i915]] AUX USBC2/DDI TC2/PHY TC2: timeout (status 0x7d40023f)
<7> [419.487938] i915 0000:00:02.0: [drm:intel_dp_aux_xfer [i915]] AUX USBC2/DDI TC2/PHY TC2: timeout (status 0x7d40023f)
<7> [419.516938] i915 0000:00:02.0: [drm:intel_dp_aux_xfer [i915]] AUX USBC2/DDI TC2/PHY TC2: timeout (status 0x7d40023f)
<7> [419.545937] i915 0000:00:02.0: [drm:intel_dp_aux_xfer [i915]] AUX USBC2/DDI TC2/PHY TC2: timeout (status 0x7d40023f)
<7> [419.574939] i915 0000:00:02.0: [drm:intel_dp_aux_xfer [i915]] AUX USBC2/DDI TC2/PHY TC2: timeout (status 0x7d40023f)
<7> [419.603937] i915 0000:00:02.0: [drm:intel_dp_aux_xfer [i915]] AUX USBC2/DDI TC2/PHY TC2: timeout (status 0x7d40023f)
<7> [419.631938] i915 0000:00:02.0: [drm:intel_dp_aux_xfer [i915]] AUX USBC2/DDI TC2/PHY TC2: timeout (status 0x7d40023f)
<7> [419.632096] i915 0000:00:02.0: [drm:drm_dp_dpcd_access [drm_display_helper]] AUX USBC2/DDI TC2/PHY TC2: Too many retries, giving up. First error: -110
<7> [419.632116] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:273:DP-4]
<7> [419.632291] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:282:DP-5]
<7> [420.650143] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling AUX_USBC2
<7> [420.650321] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling PW_2
<7> [420.650432] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC_off
<7> [420.650543] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [420.650645] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 02
<7> [420.651083] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling always-on
<7> [420.651214] i915 0000:00:02.0: [drm:intel_tc_port_update_mode [i915]] Port E/TC#2: TC port mode reset (legacy -> disconnected)
<4> [432.675587] [IGT] Per-test timeout exceeded. Killing the current test with SIGQUIT.
<6> [432.675627] 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) 
<6> [432.675957] sysrq: Show State
<6> [432.675974] task:systemd         state:S stack:11760 pid:1     ppid:0      flags:0x00000000
<6> [432.675996] Call Trace:
<6> [432.676000]  <TASK>
<6> [432.676007]  __schedule+0x3a0/0xd70
<6> [432.676024]  schedule+0x5c/0xd0
<6> [432.676030]  schedule_hrtimeout_range_clock+0x13a/0x150
<6> [432.676040]  ? _raw_write_unlock_irq+0x23/0x50
<6> [432.676049]  do_epoll_wait+0x707/0x8f0
<6> [432.676066]  ? __pfx_ep_autoremove_wake_function+0x10/0x10
<6> [432.676076]  __x64_sys_epoll_wait+0x54/0x90
<6> [432.676081]  ? lockdep_hardirqs_on+0xc3/0x140
<6> [432.676090]  do_syscall_64+0x3c/0x90
<6> [432.676096]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8
<6> [432.676103] RIP: 0033:0x7f2702bad46e