Few KMS Tests - dmesg-warn - INFO: rcu_preempt detected stalls on CPUs/tasks, NMI backtrace for cpu .* skipped: idling at intel_idle_s2idle
<7> [637.821129] ACPI: PM: ACPI fixed event wakeup
<7> [637.821162] PM: resume from suspend-to-idle
<6> [637.843292] ACPI: \_SB_.PEPD: Successfully transitioned to state lps0 exit
<6> [637.847614] ACPI: \_SB_.PEPD: Successfully transitioned to state lps0 ms exit
<6> [637.848572] ACPI: \_SB_.PEPD: Successfully transitioned to state screen on
<6> [637.848936] ACPI: EC: interrupt unblocked
<3> [700.934603] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
<3> [700.934629] rcu: 2-...!: (0 ticks this GP) idle=3f58/0/0x0 softirq=97768/97768 fqs=0 (false positive?)
<3> [700.934872] rcu: (detected by 0, t=16252 jiffies, g=133045, q=7331 ncpus=8)
<6> [700.934883] Sending NMI from CPU 0 to CPUs 2:
<4> [700.934994] NMI backtrace for cpu 2 skipped: idling at intel_idle_s2idle+0x79/0xe0
<7> [701.062863] PM: noirq resume of devices complete after 63214.286 msecs
<6> [701.077734] pci 0000:00:05.0: Setting to D3hot
<6> [701.089936] pci 0000:00:0b.0: Setting to D3hot
<7> [701.102871] PM: early resume of devices complete after 26.967 msecs
<7> [701.104452] xe 0000:00:02.0: [drm:xe_pm_resume [xe]] Resuming device
<7> [701.104644] xe 0000:00:02.0: [drm:gen9_sanitize_dc_state [xe]] Resetting DC state tracking from 08 to 08
<7> [701.104847] xe 0000:00:02.0: [drm:bxt_disable_dc9 [xe]] Disabling DC9
<7> [701.105024] xe 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [xe]] Setting DC state from 08 to 00
<7> [701.105237] xe 0000:00:02.0: [drm:gen9_set_dc_state.part.0 [xe]] Setting DC state from 00 to 00
<7> [701.105462] xe 0000:00:02.0: [drm:intel_power_well_enable [xe]] enabling PW_1
<7> [701.106009] xe 0000:00:02.0: [drm:intel_cdclk_dump_config [xe]] Current CDCLK 19200 kHz, VCO 0 kHz, ref 38400 kHz, bypass 19200 kHz, voltage level 0
<7> [701.106183] xe 0000:00:02.0: [drm:intel_cdclk_init_hw [xe]] Sanitizing cdclk programmed by pre-os