Bug 106421

Summary:	mismatch in ips_enabled (expected 1, found 0)
Product:	Drivers	Reporter:	Patrick McEvoy (patrick.mcevoy)
Component:	Video(DRI - Intel)	Assignee:	intel-gfx-bugs (intel-gfx-bugs)
Status:	RESOLVED MOVED
Severity:	normal	CC:	intel-gfx-bugs
Priority:	P1
Hardware:	All
OS:	Linux
URL:	https://bugs.freedesktop.org/show_bug.cgi?id=91511
Kernel Version:	4.2.0-16-generic	Subsystem:
Regression:	No	Bisected commit-id:

Description Patrick McEvoy 2015-10-21 14:25:26 UTC

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 ]------------

Comment 1 Jani Nikula 2015-10-21 14:35:32 UTC

Please file new DRI/Intel bugs at the freedesktop.org bugzilla.

There seems to be an open bug already, let's track this there.
https://bugs.freedesktop.org/show_bug.cgi?id=92187

Comment 2 Jani Nikula 2015-10-21 14:38:52 UTC

(In reply to Jani Nikula from comment #1)
> Please file new DRI/Intel bugs at the freedesktop.org bugzilla.
> 
> There seems to be an open bug already, let's track this there.
> https://bugs.freedesktop.org/show_bug.cgi?id=92187

Which is a dupe of https://bugs.freedesktop.org/show_bug.cgi?id=91511