Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752945AbaFJTgM (ORCPT ); Tue, 10 Jun 2014 15:36:12 -0400 Received: from mail-pd0-f182.google.com ([209.85.192.182]:46985 "EHLO mail-pd0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751758AbaFJTgJ (ORCPT ); Tue, 10 Jun 2014 15:36:09 -0400 Date: Tue, 10 Jun 2014 12:35:56 -0700 From: Steven Noonan To: Jani Nikula Cc: imre.deak@intel.com, Daniel Vetter , David Airlie , intel-gfx@lists.freedesktop.org, Linux Kernel mailing List Subject: Re: [Intel-gfx] REGRESSION 3.14 i915 warning & mouse cursor vanishing Message-ID: <20140610193556.GA8510@amazon.com> References: <20140414164010.GA1019@falcon> <867g6ryd2e.fsf@hiro.keithp.com> <20140414185602.GA892@falcon> <20140415194303.GH1023@phenom.ffwll.local> <1397591989.2715.18.camel@ideak-mobl> <87ppkhaqxz.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 16, 2014 at 3:03 PM, Steven Noonan wrote: > On Wed, Apr 16, 2014 at 2:46 PM, Jani Nikula > wrote: >> On Tue, 15 Apr 2014, Imre Deak wrote: >>> On Tue, 2014-04-15 at 21:43 +0200, Daniel Vetter wrote: >>>> On Mon, Apr 14, 2014 at 11:56:03AM -0700, Steven Noonan wrote: >>>> > On Mon, Apr 14, 2014 at 11:35:05AM -0700, Keith Packard wrote: >>>> > > Steven Noonan writes: >>>> > > >>>> > > > Was using my machine normally, then my mouse cursor vanished. After switching >>>> > > > to a VT and back to X11, my cursor came back. But I did notice a nasty trace in >>>> > > > dmesg (below). >>>> > > >>>> > > I don't think the trace below is related to the cursor disappearing. >>>> > >>>> > Any idea what the trace is all about then? Seems it has something to do >>>> > with runtime power management (maybe my aggressive kernel command-line >>>> > options are triggering it). >>>> >>>> Please test without them. Currently runtime pm should be disabled still on >>>> vlv (since it's incomplete in 3.14). If you've force-enabled that then you >>>> get to keep all pieces ;-) >>>> >>>> In general don't set any i915 options if you're not a developer or someone >>>> else who _really_ knows what's going on. >>> >>> Note that the lspci output and the >>> >>> [ 1795.275026] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed >>> register before writing to 70084 >>> >>> line suggests HSW and the specs for ThinkPad Yoga suggests the same. But >>> I don't know how the vlv_* functions can possible end up in those traces >>> then, perhaps just a coincidence, random data on stack? >> >> I'm wondering the same. Perhaps double check your kernel build and >> modules are all right and matching? >> > > It was a clean build (built in a clean chroot, no ccache or anything > fancy), so those stack traces are as "right" as they could be under > those conditions. > > The "good" news (or perhaps scary news) is that I've been running > 3.14.1 for the past 36 hours and haven't been able to reproduce either > problem since then (warnings or ninja mouse cursor). Nothing in the > changelog for v3.14..v3.14.1 really stands out as a clear fix though. > The only changes that appear to directly affect my configuration would > be the futex changes, iwlwifi change, efi change, and ipv6 change. This issue is haunting me again. This time I'm running 3.14.6. My mouse cursor vanished, and I have a bunch of warnings in dmesg: [ 5622.922652] ------------[ cut here ]------------ [ 5622.922707] WARNING: CPU: 0 PID: 312 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]() [ 5622.922710] Device suspended [ 5622.922714] Modules linked in: cpufreq_stats fuse ctr ccm hid_generic hid_sensor_magn_3d hid_sensor_als hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc tun arc4 nls_cp437 vfat fat iwlmvm mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi iTCO_wdt kvm_intel iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper iwlwifi ablk_helper cryptd microcode psmouse cfg80211 serio_raw snd_hda_codec_conexant i2c_i801 lpc_ich snd_hda_codec_generic mfd_core tpm_tis snd_hda_intel thermal tpm wmi thinkpad_acpi snd_hda_codec snd_hwdep nvram battery snd_pcm [ 5622.922796] ac evdev snd_timer snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common crc32c_intel ahci libahci libata xhci_hcd scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button [ 5622.922853] CPU: 0 PID: 312 Comm: X Tainted: G O 3.14.6-1-ec2 #1 [ 5622.922856] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014 [ 5622.922860] 0000000000000009 ffff880212319c08 ffffffff814fd4c3 ffff880212319c50 [ 5622.922867] ffff880212319c40 ffffffff810664ad 0000000000070088 ffff8802119b8000 [ 5622.922873] ffff8802119b8028 ffff8802119b8020 0000000003bb0611 ffff880212319ca0 [ 5622.922880] Call Trace: [ 5622.922891] [] dump_stack+0x45/0x56 [ 5622.922900] [] warn_slowpath_common+0x7d/0xa0 [ 5622.922906] [] warn_slowpath_fmt+0x4c/0x50 [ 5622.922922] [] ? poll_select_copy_remaining+0x130/0x130 [ 5622.922942] [] vlv_flisdsi_write+0x1d69/0x2cc0 [i915] [ 5622.922963] [] vlv_flisdsi_write+0x2466/0x2cc0 [i915] [ 5622.922986] [] i915_restore_display_reg+0x198b/0x8430 [i915] [ 5622.922995] [] ? mutex_lock+0x12/0x30 [ 5622.923017] [] i915_restore_display_reg+0x1c4f/0x8430 [i915] [ 5622.923044] [] drm_mode_set_config_internal+0x180/0x260 [drm] [ 5622.923053] [] ? __dequeue_signal+0x117/0x200 [ 5622.923083] [] drm_mode_cursor_ioctl+0x41/0x50 [drm] [ 5622.923102] [] drm_ioctl+0x4c2/0x700 [drm] [ 5622.923131] [] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm] [ 5622.923140] [] do_vfs_ioctl+0x2c8/0x4a0 [ 5622.923149] [] ? vfs_read+0x97/0x160 [ 5622.923156] [] SyS_ioctl+0x81/0xa0 [ 5622.923167] [] ? __audit_syscall_exit+0x236/0x2e0 [ 5622.923175] [] system_call_fastpath+0x1a/0x1f [ 5622.923179] ---[ end trace 5e18fb54489137d5 ]--- [ 5622.923185] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088 [ 5622.923190] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088 [ 5622.923194] ------------[ cut here ]------------ [ 5622.923213] WARNING: CPU: 0 PID: 312 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]() [ 5622.923215] Device suspended [ 5622.923217] Modules linked in: cpufreq_stats fuse ctr ccm hid_generic hid_sensor_magn_3d hid_sensor_als hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc tun arc4 nls_cp437 vfat fat iwlmvm mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi iTCO_wdt kvm_intel iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper iwlwifi ablk_helper cryptd microcode psmouse cfg80211 serio_raw snd_hda_codec_conexant i2c_i801 lpc_ich snd_hda_codec_generic mfd_core tpm_tis snd_hda_intel thermal tpm wmi thinkpad_acpi snd_hda_codec snd_hwdep nvram battery snd_pcm [ 5622.923290] ac evdev snd_timer snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common crc32c_intel ahci libahci libata xhci_hcd scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button [ 5622.923339] CPU: 0 PID: 312 Comm: X Tainted: G W O 3.14.6-1-ec2 #1 [ 5622.923343] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014 [ 5622.923345] 0000000000000009 ffff880212319c08 ffffffff814fd4c3 ffff880212319c50 [ 5622.923352] ffff880212319c40 ffffffff810664ad 0000000000070084 ffff8802119b8000 [ 5622.923358] ffff8802119b8028 ffff8802119b8020 00000000010a2000 ffff880212319ca0 [ 5622.923364] Call Trace: [ 5622.923370] [] dump_stack+0x45/0x56 [ 5622.923377] [] warn_slowpath_common+0x7d/0xa0 [ 5622.923383] [] warn_slowpath_fmt+0x4c/0x50 [ 5622.923406] [] vlv_flisdsi_write+0x1d69/0x2cc0 [i915] [ 5622.923426] [] vlv_flisdsi_write+0x2466/0x2cc0 [i915] [ 5622.923449] [] i915_restore_display_reg+0x1a91/0x8430 [i915] [ 5622.923471] [] i915_restore_display_reg+0x1c4f/0x8430 [i915] [ 5622.923496] [] drm_mode_set_config_internal+0x180/0x260 [drm] [ 5622.923504] [] ? __dequeue_signal+0x117/0x200 [ 5622.923533] [] drm_mode_cursor_ioctl+0x41/0x50 [drm] [ 5622.923552] [] drm_ioctl+0x4c2/0x700 [drm] [ 5622.923581] [] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm] [ 5622.923590] [] do_vfs_ioctl+0x2c8/0x4a0 [ 5622.923597] [] ? vfs_read+0x97/0x160 [ 5622.923604] [] SyS_ioctl+0x81/0xa0 [ 5622.923612] [] ? __audit_syscall_exit+0x236/0x2e0 [ 5622.923619] [] system_call_fastpath+0x1a/0x1f [ 5622.923623] ---[ end trace 5e18fb54489137d6 ]--- [ 5622.923627] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084 [ 5622.923632] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084 [ 5622.936512] ------------[ cut here ]------------ [ 5622.936534] WARNING: CPU: 0 PID: 312 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]() [ 5622.936535] Device suspended [ 5622.936536] Modules linked in: cpufreq_stats fuse ctr ccm hid_generic hid_sensor_magn_3d hid_sensor_als hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc tun arc4 nls_cp437 vfat fat iwlmvm mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi iTCO_wdt kvm_intel iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper iwlwifi ablk_helper cryptd microcode psmouse cfg80211 serio_raw snd_hda_codec_conexant i2c_i801 lpc_ich snd_hda_codec_generic mfd_core tpm_tis snd_hda_intel thermal tpm wmi thinkpad_acpi snd_hda_codec snd_hwdep nvram battery snd_pcm [ 5622.936554] ac evdev snd_timer snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common crc32c_intel ahci libahci libata xhci_hcd scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button [ 5622.936567] CPU: 0 PID: 312 Comm: X Tainted: G W O 3.14.6-1-ec2 #1 [ 5622.936568] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014 [ 5622.936569] 0000000000000009 ffff880212319c08 ffffffff814fd4c3 ffff880212319c50 [ 5622.936571] ffff880212319c40 ffffffff810664ad 0000000000070088 ffff8802119b8000 [ 5622.936573] ffff8802119b8028 ffff8802119b8020 0000000003ba0610 ffff880212319ca0 [ 5622.936574] Call Trace: [ 5622.936578] [] dump_stack+0x45/0x56 [ 5622.936581] [] warn_slowpath_common+0x7d/0xa0 [ 5622.936582] [] warn_slowpath_fmt+0x4c/0x50 [ 5622.936586] [] ? poll_select_copy_remaining+0x130/0x130 [ 5622.936591] [] vlv_flisdsi_write+0x1d69/0x2cc0 [i915] [ 5622.936595] [] vlv_flisdsi_write+0x2466/0x2cc0 [i915] [ 5622.936601] [] i915_restore_display_reg+0x198b/0x8430 [i915] [ 5622.936603] [] ? mutex_lock+0x12/0x30 [ 5622.936608] [] i915_restore_display_reg+0x1c4f/0x8430 [i915] [ 5622.936615] [] drm_mode_set_config_internal+0x180/0x260 [drm] [ 5622.936618] [] ? __dequeue_signal+0x117/0x200 [ 5622.936625] [] drm_mode_cursor_ioctl+0x41/0x50 [drm] [ 5622.936629] [] drm_ioctl+0x4c2/0x700 [drm] [ 5622.936636] [] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm] [ 5622.936638] [] do_vfs_ioctl+0x2c8/0x4a0 [ 5622.936640] [] ? vfs_read+0x97/0x160 [ 5622.936642] [] SyS_ioctl+0x81/0xa0 [ 5622.936644] [] ? __audit_syscall_exit+0x236/0x2e0 [ 5622.936646] [] system_call_fastpath+0x1a/0x1f [ 5622.936647] ---[ end trace 5e18fb54489137d7 ]--- [ 5622.936649] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088 [ 5622.936651] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088 [ 5622.936652] ------------[ cut here ]------------ [ 5622.936656] WARNING: CPU: 0 PID: 312 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]() [ 5622.936657] Device suspended [ 5622.936657] Modules linked in: cpufreq_stats fuse ctr ccm hid_generic hid_sensor_magn_3d hid_sensor_als hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc tun arc4 nls_cp437 vfat fat iwlmvm mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi iTCO_wdt kvm_intel iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper iwlwifi ablk_helper cryptd microcode psmouse cfg80211 serio_raw snd_hda_codec_conexant i2c_i801 lpc_ich snd_hda_codec_generic mfd_core tpm_tis snd_hda_intel thermal tpm wmi thinkpad_acpi snd_hda_codec snd_hwdep nvram battery snd_pcm [ 5622.936674] ac evdev snd_timer snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common crc32c_intel ahci libahci libata xhci_hcd scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button [ 5622.936686] CPU: 0 PID: 312 Comm: X Tainted: G W O 3.14.6-1-ec2 #1 [ 5622.936687] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014 [ 5622.936687] 0000000000000009 ffff880212319c08 ffffffff814fd4c3 ffff880212319c50 [ 5622.936689] ffff880212319c40 ffffffff810664ad 0000000000070084 ffff8802119b8000 [ 5622.936690] ffff8802119b8028 ffff8802119b8020 00000000010a2000 ffff880212319ca0 [ 5622.936692] Call Trace: [ 5622.936693] [] dump_stack+0x45/0x56 [ 5622.936694] [] warn_slowpath_common+0x7d/0xa0 [ 5622.936695] [] warn_slowpath_fmt+0x4c/0x50 [ 5622.936701] [] vlv_flisdsi_write+0x1d69/0x2cc0 [i915] [ 5622.936705] [] vlv_flisdsi_write+0x2466/0x2cc0 [i915] [ 5622.936710] [] i915_restore_display_reg+0x1a91/0x8430 [i915] [ 5622.936714] [] i915_restore_display_reg+0x1c4f/0x8430 [i915] [ 5622.936720] [] drm_mode_set_config_internal+0x180/0x260 [drm] [ 5622.936722] [] ? __dequeue_signal+0x117/0x200 [ 5622.936728] [] drm_mode_cursor_ioctl+0x41/0x50 [drm] [ 5622.936733] [] drm_ioctl+0x4c2/0x700 [drm] [ 5622.936738] [] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm] [ 5622.936740] [] do_vfs_ioctl+0x2c8/0x4a0 [ 5622.936742] [] ? vfs_read+0x97/0x160 [ 5622.936744] [] SyS_ioctl+0x81/0xa0 [ 5622.936745] [] ? __audit_syscall_exit+0x236/0x2e0 [ 5622.936747] [] system_call_fastpath+0x1a/0x1f [ 5622.936748] ---[ end trace 5e18fb54489137d8 ]--- [ 5622.936749] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084 [ 5622.936750] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084 [ 5835.487021] ------------[ cut here ]------------ [ 5835.487045] WARNING: CPU: 2 PID: 312 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]() [ 5835.487045] Device suspended [ 5835.487046] Modules linked in: cpufreq_stats fuse ctr ccm hid_generic hid_sensor_magn_3d hid_sensor_als hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc tun arc4 nls_cp437 vfat fat iwlmvm mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi iTCO_wdt kvm_intel iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper iwlwifi ablk_helper cryptd microcode psmouse cfg80211 serio_raw snd_hda_codec_conexant i2c_i801 lpc_ich snd_hda_codec_generic mfd_core tpm_tis snd_hda_intel thermal tpm wmi thinkpad_acpi snd_hda_codec snd_hwdep nvram battery snd_pcm [ 5835.487066] ac evdev snd_timer snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common crc32c_intel ahci libahci libata xhci_hcd scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button [ 5835.487081] CPU: 2 PID: 312 Comm: X Tainted: G W O 3.14.6-1-ec2 #1 [ 5835.487082] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014 [ 5835.487083] 0000000000000009 ffff880212319bd0 ffffffff814fd4c3 ffff880212319c18 [ 5835.487085] ffff880212319c08 ffffffff810664ad 0000000000070088 ffff8802119b8000 [ 5835.487087] ffff8802119b8028 ffff8802119b8020 00000000025202e8 ffff880212319c68 [ 5835.487089] Call Trace: [ 5835.487093] [] dump_stack+0x45/0x56 [ 5835.487096] [] warn_slowpath_common+0x7d/0xa0 [ 5835.487097] [] warn_slowpath_fmt+0x4c/0x50 [ 5835.487101] [] ? sock_def_readable+0x3a/0x70 [ 5835.487106] [] vlv_flisdsi_write+0x1d69/0x2cc0 [i915] [ 5835.487111] [] vlv_flisdsi_write+0x2466/0x2cc0 [i915] [ 5835.487117] [] i915_restore_display_reg+0x198b/0x8430 [i915] [ 5835.487122] [] i915_restore_display_reg+0x4a9a/0x8430 [i915] [ 5835.487130] [] drm_mode_set_config_internal+0x204/0x260 [drm] [ 5835.487138] [] drm_mode_cursor_ioctl+0x41/0x50 [drm] [ 5835.487143] [] drm_ioctl+0x4c2/0x700 [drm] [ 5835.487150] [] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm] [ 5835.487153] [] ? do_readv_writev+0x195/0x220 [ 5835.487155] [] do_vfs_ioctl+0x2c8/0x4a0 [ 5835.487157] [] SyS_ioctl+0x81/0xa0 [ 5835.487160] [] ? __audit_syscall_exit+0x236/0x2e0 [ 5835.487162] [] system_call_fastpath+0x1a/0x1f [ 5835.487163] ---[ end trace 5e18fb54489137d9 ]--- [ 5835.487165] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70088 [ 5835.487167] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70088 [ 5835.487168] ------------[ cut here ]------------ [ 5835.487172] WARNING: CPU: 2 PID: 312 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]() [ 5835.487173] Device suspended [ 5835.487174] Modules linked in: cpufreq_stats fuse ctr ccm hid_generic hid_sensor_magn_3d hid_sensor_als hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc tun arc4 nls_cp437 vfat fat iwlmvm mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi iTCO_wdt kvm_intel iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper iwlwifi ablk_helper cryptd microcode psmouse cfg80211 serio_raw snd_hda_codec_conexant i2c_i801 lpc_ich snd_hda_codec_generic mfd_core tpm_tis snd_hda_intel thermal tpm wmi thinkpad_acpi snd_hda_codec snd_hwdep nvram battery snd_pcm [ 5835.487193] ac evdev snd_timer snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common crc32c_intel ahci libahci libata xhci_hcd scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button [ 5835.487206] CPU: 2 PID: 312 Comm: X Tainted: G W O 3.14.6-1-ec2 #1 [ 5835.487206] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014 [ 5835.487207] 0000000000000009 ffff880212319bd0 ffffffff814fd4c3 ffff880212319c18 [ 5835.487209] ffff880212319c08 ffffffff810664ad 0000000000070080 ffff8802119b8000 [ 5835.487210] ffff8802119b8028 ffff8802119b8020 00000000ffffbfff ffff880212319c68 [ 5835.487212] Call Trace: [ 5835.487213] [] dump_stack+0x45/0x56 [ 5835.487215] [] warn_slowpath_common+0x7d/0xa0 [ 5835.487216] [] warn_slowpath_fmt+0x4c/0x50 [ 5835.487222] [] vlv_flisdsi_write+0x1d69/0x2cc0 [i915] [ 5835.487226] [] vlv_flisdsi_write+0x2466/0x2cc0 [i915] [ 5835.487232] [] i915_restore_display_reg+0x1a3e/0x8430 [i915] [ 5835.487236] [] i915_restore_display_reg+0x4a9a/0x8430 [i915] [ 5835.487243] [] drm_mode_set_config_internal+0x204/0x260 [drm] [ 5835.487250] [] drm_mode_cursor_ioctl+0x41/0x50 [drm] [ 5835.487255] [] drm_ioctl+0x4c2/0x700 [drm] [ 5835.487261] [] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm] [ 5835.487263] [] ? do_readv_writev+0x195/0x220 [ 5835.487265] [] do_vfs_ioctl+0x2c8/0x4a0 [ 5835.487267] [] SyS_ioctl+0x81/0xa0 [ 5835.487269] [] ? __audit_syscall_exit+0x236/0x2e0 [ 5835.487271] [] system_call_fastpath+0x1a/0x1f [ 5835.487272] ---[ end trace 5e18fb54489137da ]--- [ 5835.487273] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70080 [ 5835.487274] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70080 [ 5835.487275] ------------[ cut here ]------------ [ 5835.487288] WARNING: CPU: 2 PID: 312 at drivers/gpu/drm/i915/intel_uncore.c:455 vlv_flisdsi_write+0x1d69/0x2cc0 [i915]() [ 5835.487289] Device suspended [ 5835.487289] Modules linked in: cpufreq_stats fuse ctr ccm hid_generic hid_sensor_magn_3d hid_sensor_als hid_sensor_gyro_3d hid_sensor_accel_3d hid_sensor_trigger industrialio_triggered_buffer kfifo_buf hid_sensor_iio_common industrialio hid_sensor_hub hid_multitouch usbhid wacom hid btusb joydev bnep bluetooth 6lowpan_iphc tun arc4 nls_cp437 vfat fat iwlmvm mac80211 x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_hdmi iTCO_wdt kvm_intel iTCO_vendor_support kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper iwlwifi ablk_helper cryptd microcode psmouse cfg80211 serio_raw snd_hda_codec_conexant i2c_i801 lpc_ich snd_hda_codec_generic mfd_core tpm_tis snd_hda_intel thermal tpm wmi thinkpad_acpi snd_hda_codec snd_hwdep nvram battery snd_pcm [ 5835.487307] ac evdev snd_timer snd soundcore intel_smartconnect acpi_cpufreq processor vmnet(O) vmblock(O) vmci(O) vmmon(O) msr ax88179_178a(O) usbnet mii efivarfs ext4 crc16 jbd2 mbcache sd_mod crc_t10dif crct10dif_common crc32c_intel ahci libahci libata xhci_hcd scsi_mod usbcore usb_common i915 video intel_gtt i2c_algo_bit drm_kms_helper drm i2c_core e1000e ptp pps_core ipmi_poweroff ipmi_msghandler button [ 5835.487318] CPU: 2 PID: 312 Comm: X Tainted: G W O 3.14.6-1-ec2 #1 [ 5835.487319] Hardware name: LENOVO 20CDCTO1WW/20CDCTO1WW, BIOS GQET35WW (1.15 ) 04/21/2014 [ 5835.487319] 0000000000000009 ffff880212319bd0 ffffffff814fd4c3 ffff880212319c18 [ 5835.487321] ffff880212319c08 ffffffff810664ad 0000000000070084 ffff8802119b8000 [ 5835.487322] ffff8802119b8028 ffff8802119b8020 00000000010a2000 ffff880212319c68 [ 5835.487323] Call Trace: [ 5835.487325] [] dump_stack+0x45/0x56 [ 5835.487326] [] warn_slowpath_common+0x7d/0xa0 [ 5835.487327] [] warn_slowpath_fmt+0x4c/0x50 [ 5835.487332] [] vlv_flisdsi_write+0x1d69/0x2cc0 [i915] [ 5835.487336] [] vlv_flisdsi_write+0x2466/0x2cc0 [i915] [ 5835.487341] [] i915_restore_display_reg+0x1a91/0x8430 [i915] [ 5835.487345] [] i915_restore_display_reg+0x4a9a/0x8430 [i915] [ 5835.487351] [] drm_mode_set_config_internal+0x204/0x260 [drm] [ 5835.487357] [] drm_mode_cursor_ioctl+0x41/0x50 [drm] [ 5835.487361] [] drm_ioctl+0x4c2/0x700 [drm] [ 5835.487367] [] ? drm_mode_setcrtc+0x5e0/0x5e0 [drm] [ 5835.487369] [] ? do_readv_writev+0x195/0x220 [ 5835.487371] [] do_vfs_ioctl+0x2c8/0x4a0 [ 5835.487372] [] SyS_ioctl+0x81/0xa0 [ 5835.487374] [] ? __audit_syscall_exit+0x236/0x2e0 [ 5835.487375] [] system_call_fastpath+0x1a/0x1f [ 5835.487376] ---[ end trace 5e18fb54489137db ]--- [ 5835.487377] [drm:hsw_unclaimed_reg_clear] *ERROR* Unknown unclaimed register before writing to 70084 [ 5835.487379] [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 70084 I was able to get my mouse cursor back this time by using a hotkey to start my screen saver (in KDE), and then unlocking the screen. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/