[Bug 106421] New: mismatch in ips_enabled (expected 1, found 0)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=106421

            Bug ID: 106421
           Summary: mismatch in ips_enabled (expected 1, found 0)
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.2.0-16-generic
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: patrick.mcevoy at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Hi

I am using a Lenovo T440s to Dell U3014 with a DisplayPort

[   41.932239] ------------[ cut here ]------------
[   41.932253] WARNING: CPU: 2 PID: 203 at
/build/linux-AxjFAn/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:12326
check_crtc_state+0x2c5/0x440 [i915]()
[   41.932254] pipe state doesn't match!
[   41.932255] Modules linked in: vmnet(OE) vmw_vsock_vmci_transport vsock
vmw_vmci vmmon(OE) ctr ccm xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4
xt_tcpudp ebtable_filter ebtables ip6table_filter ip6_tables xt_addrtype
xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 iptable_filter ip_tables x_tables
nf_nat nf_conntrack bridge stp llc aufs binfmt_misc bnep arc4 iwlmvm mac80211
iwlwifi intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp
joydev input_leds hid_multitouch cfg80211 serio_raw uvcvideo videobuf2_vmalloc
videobuf2_memops lpc_ich videobuf2_core v4l2_common videodev media
snd_hda_codec_hdmi btusb cdc_mbim snd_hda_codec_realtek btrtl cdc_ncm cdc_wdm
snd_hda_codec_generic thinkpad_acpi rtsx_pci_ms btbcm usbnet nvram
[   41.932283]  mii btintel bluetooth cdc_acm snd_seq_midi memstick
snd_hda_intel snd_seq_midi_event snd_hda_codec shpchp snd_hda_core snd_hwdep
snd_rawmidi mei_me mei snd_pcm snd_seq snd_seq_device snd_timer snd soundcore
mac_hid intel_smartconnect kvm_intel kvm parport_pc ppdev lp parport autofs4
drbg ansi_cprng algif_skcipher af_alg dm_crypt hid_logitech_hidpp
hid_logitech_dj usbhid hid rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul i915
ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper
cryptd psmouse e1000e i2c_algo_bit ptp drm_kms_helper pps_core ahci drm libahci
rtsx_pci wmi video
[   41.932309] CPU: 2 PID: 203 Comm: plymouthd Tainted: G        W  OE  
4.2.0-16-generic #19-Ubuntu
[   41.932310] Hardware name: LENOVO 20AQCTO1WW/20AQCTO1WW, BIOS GJET82WW (2.32
) 01/09/2015
[   41.932312]  0000000000000000 0000000063d047ec ffff880035ad77c8
ffffffff817e8c09
[   41.932313]  0000000000000000 ffff880035ad7820 ffff880035ad7808
ffffffff8107b3c6
[   41.932315]  ffff880035ad7848 ffff880035ad78b0 ffff88030ff9f800
0000000000000001
[   41.932316] Call Trace:
[   41.932321]  [<ffffffff817e8c09>] dump_stack+0x45/0x57
[   41.932324]  [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0
[   41.932326]  [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70
[   41.932339]  [<ffffffffc0262bc1>] ? intel_pipe_config_compare+0xb31/0xc60
[i915]
[   41.932348]  [<ffffffffc0262fb5>] check_crtc_state+0x2c5/0x440 [i915]
[   41.932360]  [<ffffffffc0276d6d>] intel_modeset_check_state+0x21d/0x6d0
[i915]
[   41.932370]  [<ffffffffc0277f27>] intel_crtc_set_config+0x4c7/0x580 [i915]
[   41.932380]  [<ffffffffc0059ee5>] ? drm_mode_create+0x25/0x60 [drm]
[   41.932387]  [<ffffffffc00534c6>] drm_mode_set_config_internal+0x66/0x100
[drm]
[   41.932395]  [<ffffffffc0057b29>] drm_mode_setcrtc+0x3e9/0x500 [drm]
[   41.932399]  [<ffffffffc0048495>] drm_ioctl+0x125/0x610 [drm]
[   41.932402]  [<ffffffff814be712>] ? n_tty_ioctl+0x72/0xf0
[   41.932409]  [<ffffffffc0057740>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
[   41.932412]  [<ffffffff812108a5>] do_vfs_ioctl+0x295/0x480
[   41.932414]  [<ffffffff81210b09>] SyS_ioctl+0x79/0x90
[   41.932416]  [<ffffffff817ef9f2>] entry_SYSCALL_64_fastpath+0x16/0x75
[   41.932418] ---[ end trace efdcc79eee98fafb ]---
[   41.932991] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in
ips_enabled (expected 1, found 0)
[   41.932992] ------------[ cut here ]------------

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