[Bug 107915] New: drivers/gpu/drm/i915/intel_uncore.c:1083 __unclaimed_reg_debug - HP Pavilion x360

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Sep 13 00:25:47 UTC 2018 

https://bugs.freedesktop.org/show_bug.cgi?id=107915

            Bug ID: 107915
           Summary: drivers/gpu/drm/i915/intel_uncore.c:1083
                    __unclaimed_reg_debug - HP Pavilion x360
           Product: DRI
           Version: XOrg git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lenb at kernel.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Ubuntu 18.04 base distro with Linux-4.19.0-rc2

Running suspend to ram (freeze) endurance tests.
Once out of 1500 runs, the kernel WARNING below appeared.


[ 1273.448987] PM: resume from suspend-to-idle
[ 1273.449272] i915 0000:00:02.0: calling i915_pm_resume_early+0x0/0x10 [i915]
@ 46, parent: pci0000:00
[ 1273.449550] intel-vbtn INT33D6:00: calling acpi_subsys_resume_early+0x0/0x30
@ 6289, parent: PNP0C09:00
[ 1273.449580] intel-vbtn INT33D6:00: acpi_subsys_resume_early+0x0/0x30
returned 0 after 12 usecs
[ 1273.449604] i2c_designware 808622C1:00: calling
acpi_lpss_resume_early+0x0/0x30 @ 6289, parent: pci0000:00
[ 1273.449902] ------------[ cut here ]------------
[ 1273.449912] Unclaimed write to register 0x1e0100
[ 1273.450298] WARNING: CPU: 3 PID: 46 at
drivers/gpu/drm/i915/intel_uncore.c:1083 __unclaimed_reg_debug+0x43/0x60 [i915]
[ 1273.450302] Modules linked in: btrfs zstd_compress xor raid6_pq ufs qnx4
hfsplus hfs minix ntfs msdos jfs xfs libcrc32c ext2 rfcomm cmac bnep
nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek intel_rapl
intel_powerclamp coretemp snd_hda_codec_generic snd_hda_intel snd_hda_codec
snd_hda_core kvm_intel snd_hwdep hid_sensor_accel_3d hid_sensor_gyro_3d
hid_sensor_magn_3d hid_sensor_rotation hid_sensor_incl_3d hid_sensor_trigger
punit_atom_debug industrialio_triggered_buffer kfifo_buf uvcvideo
hid_sensor_iio_common industrialio videobuf2_vmalloc videobuf2_memops
videobuf2_v4l2 crct10dif_pclmul videobuf2_common snd_pcm snd_seq_dummy
cmdlinepart crc32_pclmul videodev media intel_spi_platform ghash_clmulni_intel
snd_seq_oss pcbc intel_spi snd_seq_midi snd_seq_midi_event aesni_intel arc4
spi_nor aes_x86_64
[ 1273.450547]  mtd crypto_simd cryptd glue_helper snd_rawmidi iwlmvm mac80211
intel_cstate iwlwifi cfg80211 snd_seq snd_seq_device snd_timer rtsx_pci_ms
memstick btusb btrtl nxp_nci_i2c nxp_nci input_leds snd
intel_xhci_usb_role_switch roles nci serio_raw soundcore hci_uart hp_wmi btqca
btbcm wmi_bmof btintel bluetooth ecdh_generic joydev nfc intel_vbtn
pwm_lpss_platform processor_thermal_device sparse_keymap lpc_ich rfkill_gpio
dw_dmac dw_dmac_core mei_txe mei soc_button_array pwm_lpss intel_soc_dts_iosf
hp_accel int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel
lis3lv02d mac_hid input_polldev intel_int0002_vgpio hp_wireless acpi_pad
hid_multitouch sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables
autofs4 i915 hid_sensor_custom hid_sensor_hub rtsx_pci_sdmmc hid_generic
[ 1273.450809]  kvmgt vfio_mdev mdev vfio_iommu_type1 vfio kvm irqbypass
i2c_algo_bit cec rc_core drm_kms_helper psmouse syscopyarea sysfillrect
sysimgblt ahci fb_sys_fops rtsx_pci libahci drm r8169 usbhid wmi video i2c_hid
hid
[ 1273.450942] CPU: 3 PID: 46 Comm: kworker/u8:1 Tainted: G     U  W        
4.19.0-rc2+ #2
[ 1273.450949] Hardware name: Hewlett-Packard HP Pavilion x360
Convertible/8074, BIOS F.16 05/08/2015
[ 1273.450966] Workqueue: events_unbound async_run_entry_fn
[ 1273.451189] RIP: 0010:__unclaimed_reg_debug+0x43/0x60 [i915]
[ 1273.451204] Code: ff ff 38 d8 76 2d 45 84 ed 48 c7 c0 33 30 7e c0 48 c7 c6
3d 30 7e c0 48 0f 45 f0 44 89 e2 48 c7 c7 46 30 7e c0 e8 1d eb 77 cd <0f> 0b 83
2d 4c 7d 10 00 01 5b 41 5c 41 5d 5d c3 0f 1f 00 66 2e 0f
[ 1273.451211] RSP: 0018:ffffa75380837cd8 EFLAGS: 00010082
[ 1273.451223] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000000000006
[ 1273.451229] RDX: 0000000000000007 RSI: 0000000000000096 RDI:
ffff925eb9b96420
[ 1273.451236] RBP: ffffa75380837cf0 R08: 0000000000000000 R09:
0000000000000024
[ 1273.451242] R10: 00000000000604f0 R11: 0000000000000000 R12:
00000000001e0100
[ 1273.451248] R13: 0000000000000000 R14: 0000000000000202 R15:
00000000050007fc
[ 1273.451258] FS:  0000000000000000(0000) GS:ffff925eb9b80000(0000)
knlGS:0000000000000000
[ 1273.451265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1273.451271] CR2: 00005582d2196718 CR3: 000000013a9e4000 CR4:
00000000001006e0
[ 1273.451278] Call Trace:
[ 1273.451500]  fwtable_write32+0x190/0x1e0 [i915]
[ 1273.451695]  intel_power_domains_init_hw+0x925/0xa80 [i915]
[ 1273.451876]  i915_drm_resume_early+0x9b/0x130 [i915]
[ 1273.452056]  ? i915_pm_thaw_early+0x10/0x10 [i915]
[ 1273.452236]  i915_pm_restore_early+0x1e/0x30 [i915]
[ 1273.452415]  i915_pm_resume_early+0xe/0x10 [i915]
[ 1273.452429]  dpm_run_callback+0x59/0x180
[ 1273.452443]  device_resume_early+0xe8/0x170
[ 1273.452455]  async_resume_early+0x1d/0x50
[ 1273.452467]  async_run_entry_fn+0x3c/0x150
[ 1273.452480]  process_one_work+0x167/0x3f0
[ 1273.452491]  worker_thread+0x4d/0x460
[ 1273.452506]  kthread+0x105/0x140
[ 1273.452515]  ? rescuer_thread+0x360/0x360
[ 1273.452528]  ? kthread_destroy_worker+0x50/0x50
[ 1273.452541]  ret_from_fork+0x35/0x40
[ 1273.452554] ---[ end trace c8450f2c8aab2bf7 ]---
[ 1273.454957] i2c_designware 808622C1:00: acpi_lpss_resume_early+0x0/0x30
returned 0 after 5181 usecs
[ 1273.455003] INT0002 Virtual GPIO INT0002:00: calling
acpi_subsys_resume_early+0x0/0x30 @ 6289, parent: platform
[ 1273.455037] INT0002 Virtual GPIO INT0002:00:
acpi_subsys_resume_early+0x0/0x30 returned 0 after 14 usecs

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