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On 2015-07-30T17:38:44+00:00 Gabriele-mzt wrote:

Created attachment 117467
dmesg - warning when switching from X to tty

Using 4.2-rc4 on my Haswell laptop I get the warning you can see in the
dmesg attached whenever I switch from X to tty. The same happens using
4.2-rc1.

This never happened before.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/0

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On 2015-08-25T23:58:04+00:00 Gabriele-mzt wrote:

This issue seems to have been fixed in v4.2-rc8. Closing this.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/1

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On 2015-08-31T09:38:37+00:00 Jonathan McDowell wrote:

I am seeing this on a Dell E7240 (Haswell) freshly booted into 4.2. The
issue was not seen on 4.1.2 or previous.

[ 2698.293746] [drm:check_crtc_state] *ERROR* mismatch in ips_enabled (expected 1, found 0)
[ 2698.293753] ------------[ cut here ]------------
[ 2698.293761] WARNING: CPU: 0 PID: 1833 at drivers/gpu/drm/i915/intel_display.c:12324 check_crtc_state+0x8ab/0xfd0()
[ 2698.293763] pipe state doesn't match!
[ 2698.293780] Modules linked in: fuse ctr ccm 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 dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c loop binfmt_misc bnep nfsd auth_rpcgss oid_registry nfs_acl nfs lockd grace fscache sunrpc arc4 nls_utf8 nls_cp437 vfat fat qmi_wwan uvcvideo videobuf2_vmalloc videobuf2_memops iwlmvm videobuf2_core cdc_mbim v4l2_common cdc_ncm cdc_wdm videodev usbnet mii mac80211 media snd_hda_codec_hdmi dell_smm_hwmon intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp btusb snd_hda_codec_realtek snd_hda_codec_generic joydev iwlwifi btintel bluetooth pcspkr efivars i2c_i801 sg snd_hda_intel cfg80211 snd_hda_codec
[ 2698.293911]  snd_hwdep snd_hda_core snd_pcm snd_timer tpm_tis 8250 serial_core evdev battery ac processor md_mod tpm_rng tpm rng_core efivarfs autofs4 btrfs xor raid6_pq algif_skcipher af_alg crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ehci_pci ehci_hcd sdhci_pci xhci_pci xhci_hcd thermal sdhci_acpi sdhci mmc_core i2c_hid hid jitterentropy_rng sha256_ssse3 sha256_generic hmac drbg ansi_cprng
[ 2698.293977] CPU: 0 PID: 1833 Comm: Xorg Not tainted 4.2.0 #1
[ 2698.293980] Hardware name: Dell Inc. Latitude E7240/07RPNV, BIOS A15 05/19/2015
[ 2698.293998]  0000000000000000 ffffffff819c26e0 ffffffff816898ee ffff8804030bf858
[ 2698.294004]  ffffffff810b394c ffff8800d5ba9400 ffff88040c3d1000 ffff88040ab40000
[ 2698.294009]  0000000000000001 ffff88040c3d1350 ffffffff810b39c5 ffffffff819f0f1f
[ 2698.294015] Call Trace:
[ 2698.294024]  [<ffffffff816898ee>] ? dump_stack+0x40/0x50
[ 2698.294048]  [<ffffffff810b394c>] ? warn_slowpath_common+0x7c/0xb0
[ 2698.294054]  [<ffffffff810b39c5>] ? warn_slowpath_fmt+0x45/0x50
[ 2698.294059]  [<ffffffff8146563b>] ? check_crtc_state+0x8ab/0xfd0
[ 2698.294066]  [<ffffffff81442c8b>] ? i915_get_crtc_scanoutpos+0x18b/0x230
[ 2698.294093]  [<ffffffff81478116>] ? intel_modeset_check_state+0x206/0xb10
[ 2698.294101]  [<ffffffff81479789>] ? intel_crtc_set_config+0x529/0x590
[ 2698.294108]  [<ffffffff813f6367>] ? drm_crtc_check_viewport+0x27/0xe0
[ 2698.294130]  [<ffffffff813f7bf9>] ? drm_mode_set_config_internal+0x59/0xf0
[ 2698.294137]  [<ffffffff813fbabf>] ? drm_mode_setcrtc+0x17f/0x4d0
[ 2698.294143]  [<ffffffff813edd1d>] ? drm_ioctl+0x16d/0x550
[ 2698.294151]  [<ffffffffc024c930>] ? evdev_read+0xc0/0x2c0 [evdev]
[ 2698.294175]  [<ffffffff811e794e>] ? do_vfs_ioctl+0x2be/0x490
[ 2698.294183]  [<ffffffff810bd942>] ? recalc_sigpending+0x12/0x50
[ 2698.294189]  [<ffffffff811e7b91>] ? SyS_ioctl+0x71/0x80
[ 2698.294194]  [<ffffffff810c08d0>] ? SyS_rt_sigprocmask+0x60/0xa0
[ 2698.294217]  [<ffffffff8168f817>] ? entry_SYSCALL_64_fastpath+0x12/0x6a
[ 2698.294221] ---[ end trace c252f4cf31b49867 ]---

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/2

------------------------------------------------------------------------
On 2015-09-01T16:13:31+00:00 Freedesktop-3 wrote:

Reverting d2944cf21305c754fa8b2d6c1eea05ad5dad7944 fixes 4.2 for me.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/3

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On 2015-09-02T11:57:24+00:00 Jani-nikula wrote:

(In reply to Emil Renner Berthing from comment #3)
> Reverting d2944cf21305c754fa8b2d6c1eea05ad5dad7944 fixes 4.2 for me.

commit d2944cf21305c754fa8b2d6c1eea05ad5dad7944
Author: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Date:   Tue Aug 11 12:31:11 2015 +0200

    drm/i915: Commit planes on each crtc separately.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/4

------------------------------------------------------------------------
On 2015-09-16T12:18:23+00:00 Bugs-i wrote:

That commit fixes another issue unfortunately. It looks like
post_enable_primary might not be called in some cases.

Can I have a drm.debug=0x1e log of the vt switching?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/18

------------------------------------------------------------------------
On 2015-09-21T16:21:32+00:00 Jonathan McDowell wrote:

Created attachment 118386
Pipe state mismatch during screen blank/unblank

I didn't manage to trigger on a simple VT switch, but doing a screen
blank/unblank (manual lock request in GNOME) triggered the attached
warning.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/19

------------------------------------------------------------------------
On 2015-09-21T20:27:29+00:00 Jonathan McDowell wrote:

I have upgraded to 4.3-rc2 and have not so far been able to reproduce
the problem. I will update here if I can do so.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/20

------------------------------------------------------------------------
On 2015-10-21T14:37:53+00:00 Jani-nikula wrote:

*** Bug 92187 has been marked as a duplicate of this bug. ***

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/37

------------------------------------------------------------------------
On 2015-10-21T14:40:03+00:00 Jani-nikula wrote:

(In reply to Jonathan McDowell from comment #7)
> I have upgraded to 4.3-rc2 and have not so far been able to reproduce the
> problem. I will update here if I can do so.

Presumed fixed, please reopen if the problem reappears with 4.3-rc2 or
later.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1492764/comments/38


** Changed in: linux
       Status: Unknown => Fix Released

** Changed in: linux
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/1492764

Title:
  [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in ips_enabled
  (expected 1, found 0)

Status in Linux:
  Fix Released
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  System: Kubuntu 15.10

  Since kernel version 4.2 I have a few of this errors:

  Sep 06 16:16:35 benediktZ50-70 kernel: [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in ips_enabled (expected 1, found 0)
  Sep 06 16:16:35 benediktZ50-70 kernel: ------------[ cut here ]------------
  Sep 06 16:16:35 benediktZ50-70 kernel: WARNING: CPU: 0 PID: 187 at /build/linux-4dBub_/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:12324 check_crtc_state+0x2c5/0x440 [i915]()
  Sep 06 16:16:35 benediktZ50-70 kernel: pipe state doesn't match!
  Sep 06 16:16:35 benediktZ50-70 kernel: Modules linked in: rtsx_usb_sdmmc rtsx_usb i915 i2c_algo_bit drm_kms_helper psmouse ahci drm libahci r8169 mii sdhci_acpi video sdhci i2c_hid hid
  Sep 06 16:16:35 benediktZ50-70 kernel: CPU: 0 PID: 187 Comm: plymouthd Tainted: G        W       4.2.0-7-generic #7-Ubuntu
  Sep 06 16:16:35 benediktZ50-70 kernel: Hardware name: LENOVO 20354/Lancer 5A5, BIOS 9BCN91WW 07/21/2015
  Sep 06 16:16:35 benediktZ50-70 kernel:  ffffffffc023f1e8 ffff8802413277e8 ffffffff817b0465 0000000000000000
  Sep 06 16:16:35 benediktZ50-70 kernel:  ffff880241327838 ffff880241327828 ffffffff81076536 ffff880241327858
  Sep 06 16:16:35 benediktZ50-70 kernel:  ffff8802413278c0 ffff880241152000 0000000000000001 ffff880241152350
  Sep 06 16:16:35 benediktZ50-70 kernel: Call Trace:
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffff817b0465>] dump_stack+0x45/0x57
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffff81076536>] warn_slowpath_common+0x86/0xc0
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffff810765b6>] warn_slowpath_fmt+0x46/0x50
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc01d3091>] ? intel_pipe_config_compare+0xb31/0xc60 [i915]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc01d3485>] check_crtc_state+0x2c5/0x440 [i915]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc01e6f3e>] intel_modeset_check_state+0x20e/0x6b0 [i915]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc01e80e7>] intel_crtc_set_config+0x4c7/0x580 [i915]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc009f915>] ? drm_mode_create+0x25/0x60 [drm]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc0099036>] drm_mode_set_config_internal+0x66/0x100 [drm]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc009d5f8>] drm_mode_setcrtc+0x3a8/0x4c0 [drm]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc008e365>] drm_ioctl+0x125/0x610 [drm]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffffc009d250>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffff811fffd5>] do_vfs_ioctl+0x285/0x470
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffff811ac159>] ? do_munmap+0x349/0x480
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffff81200239>] SyS_ioctl+0x79/0x90
  Sep 06 16:16:35 benediktZ50-70 kernel:  [<ffffffff817b6cf2>] entry_SYSCALL_64_fastpath+0x16/0x75
  Sep 06 16:16:35 benediktZ50-70 kernel: ---[ end trace 724377a3c01e4270 ]---

  
  I will check next week if these errors have any impact on my system.

  This is a Nvidia Optimus System with the Intel graphic card activated
  by default.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-7-generic 4.2.0-7.7
  ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0
  Uname: Linux 4.2.0-7-generic x86_64
  ApportVersion: 2.18-0ubuntu9
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  benedikt   1550 F.... pulseaudio
   /dev/snd/controlC1:  benedikt   1550 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Sun Sep  6 16:22:48 2015
  HibernationDevice: UUID=3383b02e-b89c-462c-903a-cb936e81b2bf
  InstallationDate: Installed on 2014-12-21 (259 days ago)
  InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20141218)
  MachineType: LENOVO 20354
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-7-generic root=UUID=b549945a-67ac-4d14-849c-b54e561d47cc ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-7-generic N/A
   linux-backports-modules-4.2.0-7-generic  N/A
   linux-firmware                           1.147
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/21/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 9BCN91WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Lancer 5A5
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058WIN
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Z50-70
  dmi.modalias: dmi:bvnLENOVO:bvr9BCN91WW:bd07/21/2015:svnLENOVO:pn20354:pvrLenovoZ50-70:rvnLENOVO:rnLancer5A5:rvr31900058WIN:cvnLENOVO:ct10:cvrLenovoZ50-70:
  dmi.product.name: 20354
  dmi.product.version: Lenovo Z50-70
  dmi.sys.vendor: LENOVO

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