linux-kernel - [drm/i915] 7962893ecb: WARNING:at_drivers/gpu/drm/i915/intel_runtime_pm.c:#intel_runtime_pm_driver

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Date:   Wed, 3 Mar 2021 13:55:17 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Imre Deak <imre.deak@...el.com>
Cc:     Khaled Almahallawy <khaled.almahallawy@...el.com>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        lkp@...ts.01.org, lkp@...el.com
Subject: [drm/i915]  7962893ecb:
 WARNING:at_drivers/gpu/drm/i915/intel_runtime_pm.c:#intel_runtime_pm_driver_release[i915]


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 <oliver.sang@...el.com>


[   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


View attachment "config-5.11.0-rc2-g7962893ecb85" of type "text/plain" (172412 bytes)

View attachment "reproduce" of type "text/plain" (304 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (23964 bytes)

View attachment "igt" of type "text/plain" (2416 bytes)

View attachment "job.yaml" of type "text/plain" (4311 bytes)

View attachment "job-script" of type "text/plain" (5189 bytes)