[Bug 98564] New: [drm:skl_set_power_well] *ERROR* power well 2 disable timeout

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Nov 3 08:03:23 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=98564

            Bug ID: 98564
           Summary: [drm:skl_set_power_well] *ERROR* power well 2 disable
                    timeout
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jason at zx2c4.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

I get the following warning on "Intel(R) Xeon(R) CPU E3-1505M v5" which has a
"Intel(R) HD Graphics P530" on kernel 4.8.6:

[    0.699782] [drm] Initialized drm 1.1.0 20060810
[    0.699820] i915 0000:00:02.0: enabling device (0006 -> 0007)
[    0.700556] [drm] Memory usable by graphics device = 4096M
[    0.700559] [drm] VT-d active for gfx access
[    0.700562] [drm] Replacing VGA console driver
[    0.706467] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    0.706471] [drm] Driver supports precise vblank timestamp query.
[    0.709225] [drm] Disabling framebuffer compression (FBC) to prevent screen
flicker with VT-d enabled
[    0.709262] vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+mem,decodes=none:owns=mem
[    0.714707] ACPI: Battery Slot [BAT0] (battery present)
[    0.714989] [drm] Finished loading i915/skl_dmc_ver1_26.bin (v1.26)
[    0.717683] ------------[ cut here ]------------
[    0.717690] WARNING: CPU: 1 PID: 1 at
drivers/gpu/drm/i915/intel_runtime_pm.c:667 skl_set_power_well+0x5fc/0x610
[    0.717693] Clearing unexpected KVMR request for power well 2
[    0.717696] Modules linked in:
[    0.717699] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.8.6-gentoo #1
[    0.717702] Hardware name: LENOVO 20ENCTO1WW/20ENCTO1WW, BIOS N1EET58W (1.31
) 09/19/2016
[    0.717705]  0000000000000000 ffffffff81307229 ffff881058bb7b68
0000000000000000
[    0.717710]  ffffffff81082309 ffff8810560e0000 ffff881058bb7bb8
0000000080000000
[    0.717715]  000000000000000f 0000000000000000 ffffffff81c89ea0
ffffffff8108237a
[    0.717719] Call Trace:
[    0.717724]  [<ffffffff81307229>] ? dump_stack+0x46/0x5d
[    0.717728]  [<ffffffff81082309>] ? __warn+0xb9/0xe0
[    0.717731]  [<ffffffff8108237a>] ? warn_slowpath_fmt+0x4a/0x50
[    0.717735]  [<ffffffff814225ce>] ?
gen8_irq_power_well_pre_disable+0xde/0x100
[    0.717739]  [<ffffffff81434e2c>] ? skl_set_power_well+0x5fc/0x610
[    0.717742]  [<ffffffff814361e5>] ? intel_display_power_put+0x95/0xe0
[    0.717745]  [<ffffffff8143624f>] ? intel_display_set_init_power+0x1f/0x40
[    0.717749]  [<ffffffff81497b68>] ? intel_modeset_setup_hw_state+0xc48/0xd90
[    0.717752]  [<ffffffff81470f00>] ? gen9_write16+0x3a0/0x3a0
[    0.717755]  [<ffffffff8149aa2f>] ? intel_modeset_init+0xccf/0x16b0
[    0.717758]  [<ffffffff814c7379>] ? intel_i2c_reset+0x39/0x40
[    0.717761]  [<ffffffff814c767a>] ? intel_setup_gmbus+0x29a/0x300
[    0.717765]  [<ffffffff8141827c>] ? i915_driver_load+0x77c/0x1430
[    0.717768]  [<ffffffff8133bf0a>] ? local_pci_probe+0x3a/0x90
[    0.717771]  [<ffffffff8133cac1>] ? pci_device_probe+0xd1/0x120
[    0.717775]  [<ffffffff814d8e51>] ? driver_probe_device+0x181/0x2b0
[    0.717778]  [<ffffffff814d900f>] ? __driver_attach+0x8f/0xa0
[    0.717781]  [<ffffffff814d8f80>] ? driver_probe_device+0x2b0/0x2b0
[    0.717784]  [<ffffffff814d7075>] ? bus_for_each_dev+0x55/0x90
[    0.717787]  [<ffffffff814d832f>] ? bus_add_driver+0x19f/0x210
[    0.717791]  [<ffffffff81d23c19>] ? mipi_dsi_bus_init+0xc/0xc
[    0.717794]  [<ffffffff814d97b2>] ? driver_register+0x52/0xc0
[    0.717804]  [<ffffffff810003e3>] ? do_one_initcall+0x33/0x140
[    0.717808]  [<ffffffff81ceafa1>] ? kernel_init_freeable+0x148/0x1c7
[    0.717812]  [<ffffffff81641015>] ? kernel_init+0x5/0x100
[    0.717815]  [<ffffffff8164630f>] ? ret_from_fork+0x1f/0x40
[    0.717818]  [<ffffffff81641010>] ? rest_init+0x70/0x70
[    0.717821] ---[ end trace e87d156c40e5f35e ]---
[    0.721959] [drm:skl_set_power_well] *ERROR* power well 2 disable timeout
[    0.724743] [drm] GuC firmware load skipped
[    0.747350] random: fast init done
[    0.757903] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS
[    0.757922] ACPI: Video Device [PEGP] (multi-head: yes  rom: yes  post: no)
[    0.758073] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:01/LNXVIDEO:00/input/input3
[    0.760831] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
[    0.760949] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:01/input/input4
[    0.760967] [drm] Initialized i915 1.6.0 20160711 for 0000:00:02.0 on minor
0

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