Comment 0 for bug 1506159

[ 19.339471] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in ips_enabled (expected 1, found 0)
[ 19.339476] ------------[ cut here ]------------
[ 19.339493] WARNING: CPU: 0 PID: 249 at /build/linux-AxjFAn/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c
[ 19.339494] pipe state doesn't match!
[ 19.339495] Modules linked in: nls_iso8859_1 intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coret
[ 19.339533] acpi_als kfifo_buf industrialio parport_pc ppdev lp parport autofs4 hid_generic usbhid uas usb_
[ 19.339551] CPU: 0 PID: 249 Comm: plymouthd Tainted: P OE 4.2.0-16-generic #19-Ubuntu
[ 19.339553] Hardware name: Hewlett-Packard 300-016d/2B38, BIOS 80.03 12/15/2014
[ 19.339554] 0000000000000000 000000002594191b ffff880078dcf7c8 ffffffff817e8c09
[ 19.339557] 0000000000000000 ffff880078dcf820 ffff880078dcf808 ffffffff8107b3c6
[ 19.339559] ffff880078dcf848 ffff880078dcf8b0 ffff88003f61a000 0000000000000001
[ 19.339562] Call Trace:
[ 19.339567] [<ffffffff817e8c09>] dump_stack+0x45/0x57
[ 19.339572] [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0
[ 19.339574] [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70
[ 19.339589] [<ffffffffc01f4bc1>] ? intel_pipe_config_compare+0xb31/0xc60 [i915]
[ 19.339602] [<ffffffffc01f4fb5>] check_crtc_state+0x2c5/0x440 [i915]
[ 19.339619] [<ffffffffc0208d6d>] intel_modeset_check_state+0x21d/0x6d0 [i915]
[ 19.339633] [<ffffffffc0209f27>] intel_crtc_set_config+0x4c7/0x580 [i915]
[ 19.339647] [<ffffffffc0077ee5>] ? drm_mode_create+0x25/0x60 [drm]
[ 19.339659] [<ffffffffc00714c6>] drm_mode_set_config_internal+0x66/0x100 [drm]
[ 19.339671] [<ffffffffc0075b29>] drm_mode_setcrtc+0x3e9/0x500 [drm]
[ 19.339679] [<ffffffffc0066495>] drm_ioctl+0x125/0x610 [drm]
[ 19.339691] [<ffffffffc0075740>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
[ 19.339695] [<ffffffff812108a5>] do_vfs_ioctl+0x295/0x480
[ 19.339698] [<ffffffff81210b09>] SyS_ioctl+0x79/0x90
[ 19.339702] [<ffffffff817ef9f2>] entry_SYSCALL_64_fastpath+0x16/0x75
[ 19.339704] ---[ end trace 4719f8339f6fd57b ]---

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: systemd 225-1ubuntu7 [modified: usr/share/dbus-1/system-services/org.freedesktop.systemd1.service]
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.19.1-0ubuntu2
Architecture: amd64
Date: Thu Oct 15 00:38:10 2015
ExecutablePath: /lib/systemd/systemd-logind
MachineType: Hewlett-Packard 300-016d
ProcCmdline: /lib/systemd/systemd-logind
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-16-generic.efi.signed root=UUID=df51fde7-e62f-4a58-ad79-37ef6ab816a8 ro splash quiet vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f537155e6fa <strlen+42>: movdqu (%rax),%xmm12
 PC (0x7f537155e6fa) ok
 source "(%rax)" (0x55a3ad000000) not located in a known VMA region (needed readable region)!
 destination "%xmm12" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: systemd
StacktraceTop:
 strlen () at ../sysdeps/x86_64/strlen.S:106
 __GI___strdup (s=0x55a3ad000000 <error: Cannot access memory at address 0x55a3ad000000>) at strdup.c:41
 ?? ()
 ?? ()
 ?? ()
Title: systemd-logind crashed with SIGSEGV in strlen()
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: Upgraded to wily on 2015-10-06 (8 days ago)
UserGroups:

dmi.bios.date: 12/15/2014
dmi.bios.vendor: AMI
dmi.bios.version: 80.03
dmi.board.asset.tag: 3CR51306RT
dmi.board.name: 2B38
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 1.02
dmi.chassis.asset.tag: 3CR51306RT
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnAMI:bvr80.03:bd12/15/2014:svnHewlett-Packard:pn300-016d:pvr:rvnHewlett-Packard:rn2B38:rvr1.02:cvnHewlett-Packard:ct3:cvr:
dmi.product.name: 300-016d
dmi.sys.vendor: Hewlett-Packard