*** This bug is a duplicate of bug 1511101 ***
https://bugs.launchpad.net/bugs/1511101
** This bug has been marked a duplicate of bug 1511101
[drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in ips_enabled
(expected 1, found 0) appears repeatedly during boot; Ubuntu boots normally to
GNOME3 afterwards
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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 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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