Description of problem: After updating a HP Elitebook 820 G1 to the most recent BIOS (1.20a) with important UEFI security fixes (coming from release 1.14) the i915 module complains about: Nov 18 14:36:58 hpnwb.cc.univie.ac.at kernel: acpi PNP0501:00: Still not present Nov 18 14:36:58 hpnwb.cc.univie.ac.at kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Nov 18 14:36:58 hpnwb.cc.univie.ac.at kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Nov 18 14:36:58 hpnwb.cc.univie.ac.at kernel: acpi PNP0501:00: Still not present Nov 18 14:36:59 hpnwb.cc.univie.ac.at kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Nov 18 14:37:00 hpnwb.cc.univie.ac.at kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment once a second all the time the machine is up. Switching to a different console with ctrl-alt-Fx sometimes stops it for about 10-15 seconds. After that period it starts again. Version-Release number of selected component (if applicable): It's an up2date Fedora 20. 3 kernels installed: kernel-3.16.6-203.fc20.x86_64 kernel-3.16.7-200.fc20.x86_64 kernel-3.17.2-200.fc20.x86_64 Enabling/Disabling grub2 gfxterm with gfxmode=1366x768 makes no difference. Loading "factory defaults" in updated BIOS didn't fix it. How reproducible: Most likely... same hardware (HP EliteBook 820 G1, BIOS Rev. 1.20a), installing Fedora 20. Steps to Reproduce: 1. HP EliteBook 820 G1 2. if not BIOS Rev. 1.20a update it 3. install Fedora 4. journalctl -f Actual results: i915 complains as listed above Expected results: no kernel logs Additional info: Don't know if it is related, but Video playback is not correctly synced to VBlank, too. Playing with VLC using XVideo Extension shows tearing at ~1/4 from the top of the screen.
hi, i have a HP zbook 14 G1 in uefi mode with latest bios and have the same issue # dmidecode | grep "BIOS Information" -A3 BIOS Information Vendor: Hewlett-Packard Version: L71 Ver. 01.30 Release Date: 12/09/2014 $ journalctl -f -- Logs begin at Mon 2015-02-16 23:10:07 CST. -- Mar 15 00:03:57 SparkyII kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 15 00:03:57 SparkyII kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 15 00:03:57 SparkyII kernel: acpi PNP0501:00: Still not present Mar 15 00:03:58 SparkyII kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 15 00:03:59 SparkyII kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 15 00:03:59 SparkyII kernel: acpi PNP0501:00: Still not present ... (continues every 2 sec) $ uname -a Linux SparkyII 3.18.7-100.fc20.x86_64 #1 SMP Wed Feb 11 19:01:50 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux [franco@SparkyII ~]$ cat /etc/*release Fedora release 20 (Heisenbug) NAME=Fedora VERSION="20 (Heisenbug)" ID=fedora VERSION_ID=20 PRETTY_NAME="Fedora 20 (Heisenbug)" ANSI_COLOR="0;34" CPE_NAME="cpe:/o:fedoraproject:fedora:20" HOME_URL="https://fedoraproject.org/" BUG_REPORT_URL="https://bugzilla.redhat.com/" REDHAT_BUGZILLA_PRODUCT="Fedora" REDHAT_BUGZILLA_PRODUCT_VERSION=20 REDHAT_SUPPORT_PRODUCT="Fedora" REDHAT_SUPPORT_PRODUCT_VERSION=20 Fedora release 20 (Heisenbug) Fedora release 20 (Heisenbug) $ rpm -qa | grep -i xorg-x11-drv-intel xorg-x11-drv-intel-2.99.911-20.intel20143.x86_64 lsmod | grep -i i915 i915 998371 6 i2c_algo_bit 13257 2 i915,radeon drm_kms_helper 93682 2 i915,radeon drm 301585 8 ttm,i915,drm_kms_helper,radeon video 19905 1 i915 [franco@SparkyII ~]$ modinfo i915 filename: /lib/modules/3.18.7-100.fc20.x86_64/kernel/drivers/gpu/drm/i915/i915.ko license: GPL and additional rights description: Intel Graphics author: Intel Corporation author: Tungsten Graphics, Inc. alias: (...) depends: drm_kms_helper,drm,video,i2c-algo-bit intree: Y vermagic: 3.18.7-100.fc20.x86_64 SMP mod_unload signer: Fedora kernel signing key sig_key: 63:91:97:E5:CD:B9:58:C7:71:CA:EE:44:61:F7:DC:04:A0:21:B6:E1
Hi, I have an HP elitebook 820 G1 with the same issue (even if I am not using RedHat, but elementaryOS Freya, which is a debian based ubuntu-derived) I just post my information here to confirm that the bug must depend on the kernel / kernel module rather than the specific distribution. Hope it helps. $ sudo dmidecode | grep "BIOS Information" -A3 BIOS Information Vendor: Hewlett-Packard Version: L71 Ver. 01.20 Release Date: 07/28/2014 $ sudo tail /var/log/kern.log # equivalent to journalctl -f Mar 17 15:02:54 dy kernel: [21695.744123] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 17 15:02:54 dy kernel: [21695.746186] ACPI: Error installing CMOS-RTC region handler Mar 17 15:02:54 dy kernel: [21695.746584] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 17 15:02:54 dy kernel: [21695.746975] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 17 15:02:55 dy kernel: [21696.755191] ACPI: Error installing CMOS-RTC region handler Mar 17 15:02:55 dy kernel: [21696.755732] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 17 15:02:56 dy kernel: [21697.761898] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 17 15:02:57 dy kernel: [21698.769904] ACPI: Error installing CMOS-RTC region handler Mar 17 15:02:57 dy kernel: [21698.770244] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Mar 17 15:02:58 dy kernel: [21699.776601] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment $ uname -a Linux dy 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux $ cat /etc/*release DISTRIB_ID="elementary OS" DISTRIB_RELEASE=0.3 DISTRIB_CODENAME=freya DISTRIB_DESCRIPTION="elementary OS Freya" NAME="elementary OS" VERSION="0.3 Freya" ID="elementary OS" ID_LIKE=ubuntu PRETTY_NAME="elementary OS Freya" VERSION_ID="0.3" HOME_URL="http://elementaryos.org/" SUPPORT_URL="http://elementaryos.org/support/" BUG_REPORT_URL="https://bugs.launchpad.net/elementary/+filebug" $ dpkg-query -l | grep -i xserver-xorg-video-intel ii xserver-xorg-video-intel 2:2.99.910-0ubuntu1.3+elementary2+r3~ubuntu0.3.1 amd64 X.Org X server -- Intel i8xx, i9xx display driver $ lsmod | grep -i i915 i915 784111 6 i2c_algo_bit 13413 1 i915 drm_kms_helper 55071 1 i915 drm 303102 5 i915,drm_kms_helper video 19476 1 i915 $ modinfo i915 filename: /lib/modules/3.13.0-45-generic/kernel/drivers/gpu/drm/i915/i915.ko license: GPL and additional rights description: Intel Graphics author: Tungsten Graphics, Inc. license: GPL and additional rights srcversion: 6CE96482900435FD7796AC8 alias: pci:v00008086d00000D26sv*sd*bc03sc*i* alias: pci:v00008086d00000D16sv*sd*bc03sc*i* alias: pci:v00008086d00000D06sv*sd*bc03sc*i* alias: pci:v00008086d00000A2Esv*sd*bc03sc*i* alias: pci:v00008086d00000A1Esv*sd*bc03sc*i* alias: pci:v00008086d00000A0Esv*sd*bc03sc*i* alias: pci:v00008086d00000A26sv*sd*bc03sc*i* alias: pci:v00008086d00000A16sv*sd*bc03sc*i* alias: pci:v00008086d00000A06sv*sd*bc03sc*i* alias: pci:v00008086d00000C26sv*sd*bc03sc*i* alias: pci:v00008086d00000C16sv*sd*bc03sc*i* alias: pci:v00008086d00000C06sv*sd*bc03sc*i* alias: pci:v00008086d00000426sv*sd*bc03sc*i* alias: pci:v00008086d00000416sv*sd*bc03sc*i* alias: pci:v00008086d00000406sv*sd*bc03sc*i* alias: pci:v00008086d00000D2Esv*sd*bc03sc*i* alias: pci:v00008086d00000D1Esv*sd*bc03sc*i* alias: pci:v00008086d00000D0Esv*sd*bc03sc*i* alias: pci:v00008086d00000D2Bsv*sd*bc03sc*i* alias: pci:v00008086d00000D1Bsv*sd*bc03sc*i* alias: pci:v00008086d00000D0Bsv*sd*bc03sc*i* alias: pci:v00008086d00000D2Asv*sd*bc03sc*i* alias: pci:v00008086d00000D1Asv*sd*bc03sc*i* alias: pci:v00008086d00000D0Asv*sd*bc03sc*i* alias: pci:v00008086d00000D22sv*sd*bc03sc*i* alias: pci:v00008086d00000D12sv*sd*bc03sc*i* alias: pci:v00008086d00000D02sv*sd*bc03sc*i* alias: pci:v00008086d00000A2Bsv*sd*bc03sc*i* alias: pci:v00008086d00000A1Bsv*sd*bc03sc*i* alias: pci:v00008086d00000A0Bsv*sd*bc03sc*i* alias: pci:v00008086d00000A2Asv*sd*bc03sc*i* alias: pci:v00008086d00000A1Asv*sd*bc03sc*i* alias: pci:v00008086d00000A0Asv*sd*bc03sc*i* alias: pci:v00008086d00000A22sv*sd*bc03sc*i* alias: pci:v00008086d00000A12sv*sd*bc03sc*i* alias: pci:v00008086d00000A02sv*sd*bc03sc*i* alias: pci:v00008086d00000C2Esv*sd*bc03sc*i* alias: pci:v00008086d00000C1Esv*sd*bc03sc*i* alias: pci:v00008086d00000C0Esv*sd*bc03sc*i* alias: pci:v00008086d00000C2Bsv*sd*bc03sc*i* alias: pci:v00008086d00000C1Bsv*sd*bc03sc*i* alias: pci:v00008086d00000C0Bsv*sd*bc03sc*i* alias: pci:v00008086d00000C2Asv*sd*bc03sc*i* alias: pci:v00008086d00000C1Asv*sd*bc03sc*i* alias: pci:v00008086d00000C0Asv*sd*bc03sc*i* alias: pci:v00008086d00000C22sv*sd*bc03sc*i* alias: pci:v00008086d00000C12sv*sd*bc03sc*i* alias: pci:v00008086d00000C02sv*sd*bc03sc*i* alias: pci:v00008086d0000042Esv*sd*bc03sc*i* alias: pci:v00008086d0000041Esv*sd*bc03sc*i* alias: pci:v00008086d0000040Esv*sd*bc03sc*i* alias: pci:v00008086d0000042Bsv*sd*bc03sc*i* alias: pci:v00008086d0000041Bsv*sd*bc03sc*i* alias: pci:v00008086d0000040Bsv*sd*bc03sc*i* alias: pci:v00008086d0000042Asv*sd*bc03sc*i* alias: pci:v00008086d0000041Asv*sd*bc03sc*i* alias: pci:v00008086d0000040Asv*sd*bc03sc*i* alias: pci:v00008086d00000422sv*sd*bc03sc*i* alias: pci:v00008086d00000412sv*sd*bc03sc*i* alias: pci:v00008086d00000402sv*sd*bc03sc*i* alias: pci:v00008086d0000016Asv*sd*bc03sc*i* alias: pci:v00008086d0000015Asv*sd*bc03sc*i* alias: pci:v00008086d00000162sv*sd*bc03sc*i* alias: pci:v00008086d00000152sv*sd*bc03sc*i* alias: pci:v00008086d00000166sv*sd*bc03sc*i* alias: pci:v00008086d00000156sv*sd*bc03sc*i* alias: pci:v00008086d0000016Asv0000152Dsd00008990bc03sc*i* alias: pci:v00008086d00000126sv*sd*bc03sc*i* alias: pci:v00008086d00000116sv*sd*bc03sc*i* alias: pci:v00008086d00000106sv*sd*bc03sc*i* alias: pci:v00008086d0000010Asv*sd*bc03sc*i* alias: pci:v00008086d00000122sv*sd*bc03sc*i* alias: pci:v00008086d00000112sv*sd*bc03sc*i* alias: pci:v00008086d00000102sv*sd*bc03sc*i* alias: pci:v00008086d00000046sv*sd*bc03sc*i* alias: pci:v00008086d00000042sv*sd*bc03sc*i* alias: pci:v00008086d0000A011sv*sd*bc03sc*i* alias: pci:v00008086d0000A001sv*sd*bc03sc*i* alias: pci:v00008086d00002E92sv*sd*bc03sc*i* alias: pci:v00008086d00002E42sv*sd*bc03sc*i* alias: pci:v00008086d00002E32sv*sd*bc03sc*i* alias: pci:v00008086d00002E22sv*sd*bc03sc*i* alias: pci:v00008086d00002E12sv*sd*bc03sc*i* alias: pci:v00008086d00002E02sv*sd*bc03sc*i* alias: pci:v00008086d00002A42sv*sd*bc03sc*i* alias: pci:v00008086d00002A12sv*sd*bc03sc*i* alias: pci:v00008086d00002A02sv*sd*bc03sc*i* alias: pci:v00008086d000029D2sv*sd*bc03sc*i* alias: pci:v00008086d000029C2sv*sd*bc03sc*i* alias: pci:v00008086d000029B2sv*sd*bc03sc*i* alias: pci:v00008086d000029A2sv*sd*bc03sc*i* alias: pci:v00008086d00002992sv*sd*bc03sc*i* alias: pci:v00008086d00002982sv*sd*bc03sc*i* alias: pci:v00008086d00002972sv*sd*bc03sc*i* alias: pci:v00008086d000027AEsv*sd*bc03sc*i* alias: pci:v00008086d000027A2sv*sd*bc03sc*i* alias: pci:v00008086d00002772sv*sd*bc03sc*i* alias: pci:v00008086d00002592sv*sd*bc03sc*i* alias: pci:v00008086d0000258Asv*sd*bc03sc*i* alias: pci:v00008086d00002582sv*sd*bc03sc*i* alias: pci:v00008086d00002572sv*sd*bc03sc*i* alias: pci:v00008086d0000358Esv*sd*bc03sc*i* alias: pci:v00008086d00003582sv*sd*bc03sc*i* alias: pci:v00008086d00002562sv*sd*bc03sc*i* alias: pci:v00008086d00003577sv*sd*bc03sc*i* depends: drm_kms_helper,drm,video,i2c-algo-bit intree: Y vermagic: 3.13.0-45-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: 34:99:21:39:F3:DA:40:B6:20:BD:55:17:59:7B:A8:5A:F5:79:7C:9A sig_hashalgo: sha512 parm: invert_brightness:Invert backlight brightness (-1 force normal, 0 machine defaults, 1 force inversion), please report PCI device ID, subsystem vendor and subsystem device ID to dri-devel.org, if your machine needs it. It will then be included in an upcoming module version. (int) parm: modeset:Use kernel modesetting [KMS] (0=DRM_I915_KMS from .config, 1=on, -1=force vga console preference [default]) (int) parm: fbpercrtc:int parm: panel_ignore_lid:Override lid status (0=autodetect, 1=autodetect disabled [default], -1=force lid closed, -2=force lid open) (int) parm: powersave:Enable powersavings, fbc, downclocking, etc. (default: true) (int) parm: semaphores:Use semaphores for inter-ring sync (default: -1 (use per-chip defaults)) (int) parm: i915_enable_rc6:Enable power-saving render C-state 6. Different stages can be selected via bitmask values (0 = disable; 1 = enable rc6; 2 = enable deep rc6; 4 = enable deepest rc6). For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. default: -1 (use per-chip default) (int) parm: i915_enable_fbc:Enable frame buffer compression for power savings (default: -1 (use per-chip default)) (int) parm: lvds_downclock:Use panel (LVDS/eDP) downclocking for power savings (default: false) (int) parm: lvds_channel_mode:Specify LVDS channel mode (0=probe BIOS [default], 1=single-channel, 2=dual-channel) (int) parm: lvds_use_ssc:Use Spread Spectrum Clock with panels [LVDS/eDP] (default: auto from VBT) (int) parm: vbt_sdvo_panel_type:Override/Ignore selection of SDVO panel mode in the VBT (-2=ignore, -1=auto [default], index in VBT BIOS table) (int) parm: reset:Attempt GPU resets (default: true) (bool) parm: enable_hangcheck:Periodically check GPU activity for detecting hangs. WARNING: Disabling this can cause system wide hangs. (default: true) (bool) parm: i915_enable_ppgtt:Enable PPGTT (default: true) (int) parm: enable_psr:Enable PSR (default: false) (int) parm: preliminary_hw_support:Enable preliminary hardware support. (int) parm: disable_power_well:Disable the power well when possible (default: true) (int) parm: enable_ips:Enable IPS (default: true) (int) parm: fastboot:Try to skip unnecessary mode sets at boot time (default: false) (bool) parm: enable_pc8:Enable support for low power package C states (PC8+) (default: true) (int) parm: pc8_timeout:Number of msecs of idleness required to enter PC8+ (default: 5000) (int) parm: prefault_disable:Disable page prefaulting for pread/pwrite/reloc (default:false). For developers only. (bool)
An update from my side: Since I'm using the most recent BIOS for HP EliteBook 820 G1, which currently is 1.30A from 2014-12-15 and most recent Fedora 21 the messages are gone.
Dear Wolfgang, thank you very much. I updated my BIOS, but only to the version 1.30. That was enough for my problem to disappear. (Funny enough my BIOS says that the latest verson available for me is 1.30). sudo dmidecode | grep "BIOS Information" -A3 BIOS Information Vendor: Hewlett-Packard Version: L71 Ver. 01.30 Release Date: 12/09/2014 Cheers Stefano
I see the same message kernel: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment I don't use a HP device but a Samsung notebook. Any ideas?
Confirming this bug. But... I'm using Archlinux (3.19.3-3-ARCH) and the ASUS laptop :) Nevertheless, maybe this infromation will help someone. I'm getting the same message lots of times in `dmesg`: i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment Seems like a PCI initalization issue. Maybe because an error in the video driver, maybe because of BIOS. The last time this happened my X server didn't start as well. After the manual X server restart everything worked fine. Here is my `lspci` output: 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor DRAM Controller (rev 06) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller (rev 06) 00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06) 00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06) 00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05) 00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05) 00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5) 00:1c.1 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #2 (rev d5) 00:1c.2 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #3 (rev d5) 00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 (rev d5) 00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05) 00:1f.0 ISA bridge: Intel Corporation HM86 Express LPC Controller (rev 05) 00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 05) 00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05) 01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 860M] (rev ff) 04:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b) 05:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5287 (rev 01) 05:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12) Also there was a kind of i915-related warning earlier in `dmesg`: [ 1.738623] WARNING: CPU: 4 PID: 295 at drivers/gpu/drm/i915/intel_display.c:11375 intel_crtc_set_config+0xc28/0xff0 [i915]() [ 1.738625] WARN_ON(!set->fb && (set->num_connectors != 0)) [ 1.738627] Modules linked in: [ 1.738630] asus_nb_wmi(+) iTCO_wdt iTCO_vendor_support asus_wmi mxm_wmi sparse_keymap coretemp hwmon intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm iwlmvm(+) led_class crct10dif_pclmul crc32_pclmul mac80211 bbswitch(O) crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper evdev ablk_helper iwlwifi snd_hda_codec_realtek mac_hid i915 snd_hda_codec_generic cryptd serio_raw psmouse snd_hda_intel snd_hda_controller cfg80211 rtsx_pci_ms i2c_i801 snd_hda_codec r8169 snd_hwdep memstick drm_kms_helper rfkill mii thermal ac button battery wmi video drm snd_pcm intel_gtt snd_timer i2c_algo_bit snd i2c_core mei_me mei ie31200_edac soundcore shpchp lpc_ich edac_core processor sch_fq_codel nfs lockd grace sunrpc fscache ext4 crc16 mbcache jbd2 sr_mod cdrom [ 1.738694] sd_mod rtsx_pci_sdmmc mmc_core atkbd libps2 ahci libahci ehci_pci libata ehci_hcd usbcore scsi_mod rtsx_pci usb_common i8042 serio [ 1.738712] CPU: 4 PID: 295 Comm: Xorg Tainted: G O 3.19.3-3-ARCH #1 [ 1.738714] Hardware name: ASUSTeK COMPUTER INC. N551JM/N551JM, BIOS N551JM.204 10/06/2014 [ 1.738716] 0000000000000000 00000000a49013b7 ffff88041a57fbd8 ffffffff8155d19f [ 1.738720] 0000000000000000 ffff88041a57fc30 ffff88041a57fc18 ffffffff81073a4a [ 1.738724] ffff88041a8ebba0 ffff88041a92c1e0 ffff8804121c3b28 ffff8800c8d7c6c0 [ 1.738729] Call Trace: [ 1.738737] [<ffffffff8155d19f>] dump_stack+0x4c/0x6e [ 1.738744] [<ffffffff81073a4a>] warn_slowpath_common+0x8a/0xc0 [ 1.738748] [<ffffffff81073ad5>] warn_slowpath_fmt+0x55/0x70 [ 1.738785] [<ffffffffa0745458>] intel_crtc_set_config+0xc28/0xff0 [i915] [ 1.738800] [<ffffffffa037f346>] drm_mode_set_config_internal+0x66/0x100 [drm] [ 1.738808] [<ffffffffa0438ea8>] restore_fbdev_mode+0xc8/0xf0 [drm_kms_helper] [ 1.738814] [<ffffffffa043b009>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x80 [drm_kms_helper] [ 1.738849] [<ffffffffa0753f5e>] intel_fbdev_restore_mode+0x1e/0x50 [i915] [ 1.738888] [<ffffffffa077936e>] i915_driver_lastclose+0xe/0x20 [i915] [ 1.738898] [<ffffffffa0372dce>] drm_lastclose+0x2e/0x150 [drm] [ 1.738907] [<ffffffffa0373220>] drm_release+0x330/0x520 [drm] [ 1.738913] [<ffffffff811d396f>] __fput+0x9f/0x200 [ 1.738917] [<ffffffff811d3b1e>] ____fput+0xe/0x10 [ 1.738922] [<ffffffff8108fd27>] task_work_run+0xb7/0xf0 [ 1.738928] [<ffffffff81015d35>] do_notify_resume+0x95/0xa0 [ 1.738933] [<ffffffff81562c40>] int_signal+0x12/0x17 [ 1.738937] ---[ end trace 3ba0926cba3be280 ]--- Here is the full `dmesg` output: https://gist.github.com/anonymous/fbde56f0b71bcf6c9328
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I got same "bogus alignment" errors: $ sudo dmidecode | grep "BIOS Information" -A3 Password: BIOS Information Vendor: American Megatrends Inc. Version: X555LN.309 Release Date: 08/14/2014 $ dpkg-query -l | grep -i xserver-xorg-video-intel rc xserver-xorg-video-intel-lts-vivid 2:2.99.917-1~exp1ubuntu2.2~trusty1 amd64 X.Org X server -- Intel i8xx, i9xx display driver ii xserver-xorg-video-intel-lts-xenial 2:2.99.917+git20160325-1ubuntu1~trusty1 amd64 X.Org X server -- Intel i8xx, i9xx display driver $ cat /etc/*release DISTRIB_ID="elementary OS" DISTRIB_RELEASE=0.3.2 DISTRIB_CODENAME=freya DISTRIB_DESCRIPTION="elementary OS Freya" NAME="elementary OS" VERSION="0.3.2 Freya" ID="elementary OS" ID_LIKE=ubuntu PRETTY_NAME="elementary OS Freya" VERSION_ID="0.3.2" HOME_URL="http://elementary.io/" SUPPORT_URL="http://elementary.io/support/" BUG_REPORT_URL="https://bugs.launchpad.net/elementary/+filebug" $ uname -a Linux iansons-X555LN 4.4.0-36-generic #55~14.04.1-Ubuntu SMP Fri Aug 12 11:49:30 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux $ dmesg | grep "has bogus alignment" [73882.699377] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment ...