Greeting, FYI, we noticed the following commit (built with gcc-9): commit: 7962893ecb853aa7c8925ce237ab6c4274cfc1c7 ("drm/i915: Disable runtime power management during shutdown") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master in testcase: igt version: igt-x86_64-e230cd8d-1_20210106 with following parameters: group: group-07 ucode: 0xe2 on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 28G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag Reported-by: kernel test robot [ 49.686892] ------------[ cut here ]------------ [ 49.691510] i915 0000:00:02.0: i915 raw-wakerefs=1 wakelocks=1 on cleanup [ 49.698325] WARNING: CPU: 5 PID: 1 at drivers/gpu/drm/i915/intel_runtime_pm.c:616 intel_runtime_pm_driver_release+0x4a/0x60 [i915] [ 49.710771] Modules linked in: ipmi_devintf ipmi_msghandler btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c sd_mod t10_pi sg intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass i915 crct10dif_pclmul crc32_pclmul intel_gtt crc32c_intel ghash_clmulni_intel mei_wdt ahci drm_kms_helper dell_wmi dell_smbios libahci syscopyarea rapl sysfillrect intel_cstate sysimgblt sparse_keymap wmi_bmof dell_wmi_descriptor fb_sys_fops mei_me dcdbas joydev libata mei intel_pch_thermal intel_uncore drm wmi video intel_pmc_core acpi_pad ip_tables [ 49.765448] CPU: 5 PID: 1 Comm: systemd-shutdow Tainted: G I 5.11.0-rc2-g7962893ecb85 #1 [ 49.775532] Hardware name: Dell Inc. OptiPlex 7040/0Y7WYT, BIOS 1.2.8 01/26/2016 [ 49.783631] RIP: 0010:intel_runtime_pm_driver_release+0x4a/0x60 [i915] [ 49.790980] Code: 10 4c 8b 6f 50 4d 85 ed 75 03 4c 8b 2f e8 ce 02 2a c1 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e8 92 61 c0 e8 b0 63 6e c1 <0f> 0b 5b 41 5c 41 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 [ 49.811295] RSP: 0018:ffffc9000002bd98 EFLAGS: 00010282 [ 49.817297] RAX: 0000000000000000 RBX: 0000000000000001 RCX: c0000000ffff7fff [ 49.825219] RDX: ffffc9000002bbb8 RSI: 00000000ffff7fff RDI: ffffffff8335922c [ 49.833157] RBP: ffffffffc06d2000 R08: 0000000000000000 R09: ffffc9000002bbb0 [ 49.841098] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 [ 49.849046] R13: ffff8881011fa070 R14: 00000000fee1dead R15: 0000000000000000 [ 49.857005] FS: 00007f16995f0940(0000) GS:ffff888759d40000(0000) knlGS:0000000000000000 [ 49.865928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.872512] CR2: 00007f169a818660 CR3: 0000000754f20003 CR4: 00000000003706e0 [ 49.880492] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.888469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.896450] Call Trace: [ 49.899792] pci_device_shutdown+0x34/0x60 [ 49.904730] device_shutdown+0x162/0x1e0 [ 49.909498] kernel_restart+0xe/0x40 [ 49.913916] __do_sys_reboot+0x1d2/0x220 [ 49.918695] ? __check_object_size+0x136/0x160 [ 49.923967] ? rcu_nocb_try_bypass+0x1f2/0x340 [ 49.929243] ? get_max_files+0x20/0x20 [ 49.933815] ? exit_to_user_mode_prepare+0x112/0x160 [ 49.939593] do_syscall_64+0x33/0x40 [ 49.943998] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.949858] RIP: 0033:0x7f169a74d373 [ 49.954233] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 89 fa be 69 19 12 28 bf ad de e1 fe b8 a9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 e9 9a 0c 00 f7 d8 [ 49.974598] RSP: 002b:00007ffdab208628 EFLAGS: 00000293 ORIG_RAX: 00000000000000a9 [ 49.983026] RAX: ffffffffffffffda RBX: 0000000001234567 RCX: 00007f169a74d373 [ 49.991027] RDX: 0000000001234567 RSI: 0000000028121969 RDI: 00000000fee1dead [ 49.999027] RBP: 00007ffdab208760 R08: 000000000000021f R09: 000055c35289b290 [ 50.007024] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffdab2086a0 [ 50.015018] R13: 00007ffdab208698 R14: 0000000000000000 R15: 0000000000000000 [ 50.023015] ---[ end trace 050e444effa72258 ]--- To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml bin/lkp run compatible-job.yaml Thanks, Oliver Sang