Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 5f0996b32c57dd0bf54439e76b127a6e7aefc7e7 ("[Intel-gfx] [PATCH v7 3/5] drm/i915/dp: Enable Intel's HDR backlight interface (only SDR for now)") url: https://github.com/0day-ci/linux/commits/Lyude-Paul/drm-i915-Add-support-for... base: git://anongit.freedesktop.org/drm-intel for-linux-next
in testcase: suspend-stress version: with following parameters:
mode: freeze iterations: 10
on test machine: 4 threads Broadwell-Y with 8G 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@intel.com
kern :warn : [ 15.603556] ------------[ cut here ]------------ kern :warn : [ 15.603557] CPU PWM1 enabled kern :warn : [ 15.603576] WARNING: CPU: 0 PID: 568 at drivers/gpu/drm/i915/display/intel_display_power.c:4902 assert_can_disable_lcpll+0x335/0x3c0 [i915] kern :warn : [ 15.603744] Modules linked in: sd_mod t10_pi sg x86_pkg_temp_thermal intel_powerclamp i915 coretemp crct10dif_pclmul crc32_pclmul crc32c_intel intel_gtt ghash_clmulni_intel drm_kms_helper hid_multitouch syscopyarea sysfillrect intel_rapl_msr sysimgblt wmi_bmof rapl ahci libahci intel_cstate processor_thermal_device fb_sys_fops intel_uncore serio_raw hid_sensor_custom processor_thermal_rfim intel_pch_thermal libata intel_soc_dts_iosf mei_me bcma processor_thermal_mbox joydev processor_thermal_rapl drm intel_rapl_common int340x_thermal_zone mei ideapad_laptop sparse_keymap i2c_hid wmi rfkill video dw_dmac i2c_designware_platform i2c_designware_core int3400_thermal acpi_thermal_rel acpi_pad ip_tables kern :warn : [ 15.603807] CPU: 0 PID: 568 Comm: kworker/u8:7 Tainted: G W I 5.11.0-rc2-g5f0996b32c57 #1 kern :warn : [ 15.603812] Hardware name: LENOVO 80HE/VIUU4, BIOS A6CN38WW 09/30/2014 kern :warn : [ 15.603814] Workqueue: events_unbound async_run_entry_fn kern :warn : [ 15.603820] RIP: 0010:assert_can_disable_lcpll+0x335/0x3c0 [i915] kern :warn : [ 15.603948] Code: c0 75 22 e8 2d 35 d0 ff e9 f3 fd ff ff e8 9d 80 6e c1 0f 0b e9 0c fd ff ff e8 91 80 6e c1 0f 0b e9 05 fe ff ff e8 85 80 6e c1 <0f> 0b e9 cf fd ff ff e8 79 80 6e c1 0f 0b e9 a2 fd ff ff e8 6d 80 kern :warn : [ 15.603952] RSP: 0018:ffffc900005cfd58 EFLAGS: 00010282 kern :warn : [ 15.603956] RAX: 0000000000000000 RBX: ffff88812f3802e8 RCX: 0000000000000027 kern :warn : [ 15.603958] RDX: 0000000000000027 RSI: 0000000000000002 RDI: ffff888249217cf8 kern :warn : [ 15.603961] RBP: ffff88812f380000 R08: ffff888249217cf0 R09: ffffc900005cfcf0 kern :warn : [ 15.603964] R10: 0000000000000001 R11: 3030302035313969 R12: ffff88812f3807f8 kern :warn : [ 15.603967] R13: ffff88812f386c68 R14: 0000000000000002 R15: 0000000000000000 kern :warn : [ 15.603970] FS: 0000000000000000(0000) GS:ffff888249200000(0000) knlGS:0000000000000000 kern :info : [ 15.603970] xhci_hcd 0000:00:14.0: calling pci_pm_suspend_late+0x0/0x40 @ 30, parent: pci0000:00 kern :warn : [ 15.603975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kern :info : [ 15.603977] xhci_hcd 0000:00:14.0: pci_pm_suspend_late+0x0/0x40 returned 0 after 0 usecs kern :info : [ 15.603976] bcma-pci-bridge 0000:01:00.0: pci_pm_suspend_late+0x0/0x40 returned 0 after 0 usecs kern :info : [ 15.603985] lpc_ich 0000:00:1f.0: calling pci_pm_suspend_late+0x0/0x40 @ 30, parent: pci0000:00 kern :info : [ 15.603989] lpc_ich 0000:00:1f.0: pci_pm_suspend_late+0x0/0x40 returned 0 after 0 usecs kern :info : [ 15.603990] pcieport 0000:00:1c.0: calling pci_pm_suspend_late+0x0/0x40 @ 565, parent: pci0000:00 kern :info : [ 15.603996] pci 0000:00:1b.0: calling pci_pm_suspend_late+0x0/0x40 @ 30, parent: pci0000:00 kern :info : [ 15.603997] pcieport 0000:00:1c.0: pci_pm_suspend_late+0x0/0x40 returned 0 after 0 usecs kern :info : [ 15.604000] pci 0000:00:1b.0: pci_pm_suspend_late+0x0/0x40 returned 0 after 0 usecs kern :info : [ 15.604004] pci 0000:00:03.0: calling pci_pm_suspend_late+0x0/0x40 @ 565, parent: pci0000:00 kern :info : [ 15.604010] pci 0000:00:03.0: pci_pm_suspend_late+0x0/0x40 returned 0 after 0 usecs kern :info : [ 15.604434] i801_smbus 0000:00:1f.3: pci_pm_suspend_late+0x0/0x40 returned 0 after 0 usecs kern :warn : [ 15.604858] CR2: 0000560f45d2d880 CR3: 0000000004c0a001 CR4: 00000000003706f0 kern :warn : [ 15.626756] Call Trace: kern :warn : [ 15.626876] hsw_disable_lcpll+0x22/0x280 [i915] kern :warn : [ 15.627200] i915_drm_suspend_late+0x5e/0x100 [i915] kern :warn : [ 15.627467] ? pci_pm_poweroff_late+0x40/0x40 kern :warn : [ 15.627668] dpm_run_callback+0x4c/0x140 kern :warn : [ 15.627854] __device_suspend_late+0x98/0x1a0 kern :warn : [ 15.628057] async_suspend_late+0x1b/0xa0 kern :warn : [ 15.628243] async_run_entry_fn+0x39/0x160 kern :warn : [ 15.628431] process_one_work+0x1ed/0x3c0 kern :warn : [ 15.628615] worker_thread+0x50/0x3c0 kern :warn : [ 15.628785] ? process_one_work+0x3c0/0x3c0 kern :warn : [ 15.628978] kthread+0x116/0x160 kern :warn : [ 15.629129] ? kthread_park+0xa0/0xa0 kern :warn : [ 15.629298] ret_from_fork+0x22/0x30 kern :warn : [ 15.629467] ---[ end trace 6d781a2f02280e57 ]--- kern :warn : [ 15.629677] ------------[ cut here ]------------
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 run job.yaml
Thanks, Oliver Sang