I have an Acer Aspire One netbook, and on it I get the following warning when closing and opening the lid. I think this warning first appeared in 3.7.

Does this need fixing? If so, who can do it?

Thanks, Richard

** close lid

Mar 16 11:32:03 netboy kernel: [ 287.429404] [drm:i9xx_crtc_mode_set] *ERROR* Couldn't find PLL settings for mode! Mar 16 11:32:03 netboy kernel: [ 287.429440] ------------[ cut here ]------------ Mar 16 11:32:03 netboy kernel: [ 287.429526] WARNING: at /home/richard/git/linux/drivers/gpu/drm/i915/intel_display.c:7877 intel_modeset_check_state+0x2f8/0x452 [i915]() Mar 16 11:32:03 netboy kernel: [ 287.429537] Hardware name: AOD257 Mar 16 11:32:03 netboy kernel: [ 287.429548] encoder's hw state doesn't match sw tracking (expected 1, found 0) Mar 16 11:32:03 netboy kernel: [ 287.429556] Modules linked in: mmc_block bluetooth crc16 cpufreq_stats cpufreq_userspace cpufreq_powersave cpufreq_conservative uinput fuse loop snd_hda_codec_realtek joydev arc4 iwldvm snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm mac80211 i915 snd_timer snd iwlwifi cfg80211 tpm_tis psmouse serio_raw drm_kms_helper tpm i2c_i801 soundcore evdev hid_generic drm i2c_algo_bit video pcspkr tpm_bios i2c_core ehci_pci snd_page_alloc acpi_cpufreq mperf battery ac rfkill wmi processor button ext3 jbd mbcache sd_mod crc_t10dif usbhid hid rtsx_pci_sdmmc mmc_core ahci libahci libata scsi_mod uhci_hcd ehci_hcd usbcore usb_common thermal thermal_sys rtsx_pci mfd_core r8169 mii Mar 16 11:32:03 netboy kernel: [ 287.429771] Pid: 34, comm: kworker/0:1 Not tainted 3.8.3 #74 Mar 16 11:32:03 netboy kernel: [ 287.429781] Call Trace: Mar 16 11:32:03 netboy kernel: [ 287.429808] [<c102623a>] ? warn_slowpath_common+0x6a/0x7b Mar 16 11:32:03 netboy kernel: [ 287.429882] [<f859e387>] ? intel_modeset_check_state+0x2f8/0x452 [i915] Mar 16 11:32:03 netboy kernel: [ 287.429904] [<c10262b1>] ? warn_slowpath_fmt+0x28/0x2c Mar 16 11:32:03 netboy kernel: [ 287.429975] [<f859e387>] ? intel_modeset_check_state+0x2f8/0x452 [i915] Mar 16 11:32:03 netboy kernel: [ 287.430017] [<f85a429c>] ? intel_set_mode+0x61a/0x6aa [i915] Mar 16 11:32:03 netboy kernel: [ 287.430162] [<f85a42d6>] ? intel_set_mode+0x654/0x6aa [i915] Mar 16 11:32:03 netboy kernel: [ 287.430290] [<f85a85ea>] ? intel_modeset_setup_hw_state+0x5e0/0x70a [i915] Mar 16 11:32:03 netboy kernel: [ 287.430386] [<f85a9bd4>] ? intel_lid_notify+0x7a/0x8a [i915] Mar 16 11:32:03 netboy kernel: [ 287.430409] [<c12e2baf>] ? notifier_call_chain+0x23/0x46 Mar 16 11:32:03 netboy kernel: [ 287.430449] [<c1041912>] ? __blocking_notifier_call_chain+0x39/0x4c Mar 16 11:32:03 netboy kernel: [ 287.430470] [<c104192e>] ? blocking_notifier_call_chain+0x9/0xc Mar 16 11:32:03 netboy kernel: [ 287.430500] [<f82300b7>] ? acpi_lid_send_state+0x7d/0xa0 [button] Mar 16 11:32:03 netboy kernel: [ 287.430532] [<f823011d>] ? acpi_button_notify+0x2b/0x95 [button] Mar 16 11:32:03 netboy kernel: [ 287.430557] [<c11aaa17>] ? acpi_device_notify+0xf/0x11 Mar 16 11:32:03 netboy kernel: [ 287.430578] [<c11b5ef1>] ? acpi_ev_notify_dispatch+0x2b/0x42 Mar 16 11:32:03 netboy kernel: [ 287.430597] [<c11a8002>] ? acpi_os_execute_deferred+0x18/0x21 Mar 16 11:32:03 netboy kernel: [ 287.430617] [<c103a099>] ? process_one_work+0x1b1/0x27e Mar 16 11:32:03 netboy kernel: [ 287.430637] [<c103a27b>] ? worker_thread+0x115/0x203 Mar 16 11:32:03 netboy kernel: [ 287.430656] [<c103a166>] ? process_one_work+0x27e/0x27e Mar 16 11:32:03 netboy kernel: [ 287.430672] [<c103d2cb>] ? kthread+0x8d/0x92 Mar 16 11:32:03 netboy kernel: [ 287.430691] [<c12e51f7>] ? ret_from_kernel_thread+0x1b/0x28 Mar 16 11:32:03 netboy kernel: [ 287.430707] [<c103d23e>] ? kthread_freezable_should_stop+0x4b/0x4b Mar 16 11:32:03 netboy kernel: [ 287.430720] ---[ end trace 4a7da2dcc2431943 ]---

** open lid

Mar 16 11:32:03 netboy kernel: [ 287.430746] ------------[ cut here ]------------ Mar 16 11:32:03 netboy kernel: [ 287.430849] WARNING: at /home/richard/git/linux/drivers/gpu/drm/i915/intel_display.c:7911 intel_modeset_check_state+0x3f3/0x452 [i915]() Mar 16 11:32:03 netboy kernel: [ 287.430889] Hardware name: AOD257 Mar 16 11:32:03 netboy kernel: [ 287.430928] crtc's computed active state doesn't match tracked active state (expected 1, found 0) Mar 16 11:32:03 netboy kernel: [ 287.430964] Modules linked in: mmc_block bluetooth crc16 cpufreq_stats cpufreq_userspace cpufreq_powersave cpufreq_conservative uinput fuse loop snd_hda_codec_realtek joydev arc4 iwldvm snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm mac80211 i915 snd_timer snd iwlwifi cfg80211 tpm_tis psmouse serio_raw drm_kms_helper tpm i2c_i801 soundcore evdev hid_generic drm i2c_algo_bit video pcspkr tpm_bios i2c_core ehci_pci snd_page_alloc acpi_cpufreq mperf battery ac rfkill wmi processor button ext3 jbd mbcache sd_mod crc_t10dif usbhid hid rtsx_pci_sdmmc mmc_core ahci libahci libata scsi_mod uhci_hcd ehci_hcd usbcore usb_common thermal thermal_sys rtsx_pci mfd_core r8169 mii Mar 16 11:32:03 netboy kernel: [ 287.431233] Pid: 34, comm: kworker/0:1 Tainted: G W 3.8.3 #74 Mar 16 11:32:03 netboy kernel: [ 287.431243] Call Trace: Mar 16 11:32:03 netboy kernel: [ 287.431267] [<c102623a>] ? warn_slowpath_common+0x6a/0x7b Mar 16 11:32:03 netboy kernel: [ 287.431342] [<f859e482>] ? intel_modeset_check_state+0x3f3/0x452 [i915] Mar 16 11:32:03 netboy kernel: [ 287.431363] [<c10262b1>] ? warn_slowpath_fmt+0x28/0x2c Mar 16 11:32:03 netboy kernel: [ 287.431439] [<f859e482>] ? intel_modeset_check_state+0x3f3/0x452 [i915] Mar 16 11:32:03 netboy kernel: [ 287.431513] [<f85a429c>] ? intel_set_mode+0x61a/0x6aa [i915] Mar 16 11:32:03 netboy kernel: [ 287.431640] [<f85a42d6>] ? intel_set_mode+0x654/0x6aa [i915] Mar 16 11:32:03 netboy kernel: [ 287.431740] [<f85a85ea>] ? intel_modeset_setup_hw_state+0x5e0/0x70a [i915] Mar 16 11:32:03 netboy kernel: [ 287.431817] [<f85a9bd4>] ? intel_lid_notify+0x7a/0x8a [i915] Mar 16 11:32:03 netboy kernel: [ 287.431841] [<c12e2baf>] ? notifier_call_chain+0x23/0x46 Mar 16 11:32:03 netboy kernel: [ 287.431877] [<c1041912>] ? __blocking_notifier_call_chain+0x39/0x4c Mar 16 11:32:03 netboy kernel: [ 287.431898] [<c104192e>] ? blocking_notifier_call_chain+0x9/0xc Mar 16 11:32:03 netboy kernel: [ 287.431927] [<f82300b7>] ? acpi_lid_send_state+0x7d/0xa0 [button] Mar 16 11:32:03 netboy kernel: [ 287.431985] [<f823011d>] ? acpi_button_notify+0x2b/0x95 [button] Mar 16 11:32:03 netboy kernel: [ 287.432068] [<c11aaa17>] ? acpi_device_notify+0xf/0x11 Mar 16 11:32:03 netboy kernel: [ 287.432090] [<c11b5ef1>] ? acpi_ev_notify_dispatch+0x2b/0x42 Mar 16 11:32:03 netboy kernel: [ 287.432109] [<c11a8002>] ? acpi_os_execute_deferred+0x18/0x21 Mar 16 11:32:03 netboy kernel: [ 287.432129] [<c103a099>] ? process_one_work+0x1b1/0x27e Mar 16 11:32:03 netboy kernel: [ 287.432146] [<c103a27b>] ? worker_thread+0x115/0x203 Mar 16 11:32:03 netboy kernel: [ 287.432165] [<c103a166>] ? process_one_work+0x27e/0x27e Mar 16 11:32:03 netboy kernel: [ 287.432182] [<c103d2cb>] ? kthread+0x8d/0x92 Mar 16 11:32:03 netboy kernel: [ 287.432203] [<c12e51f7>] ? ret_from_kernel_thread+0x1b/0x28 Mar 16 11:32:03 netboy kernel: [ 287.432250] [<c103d23e>] ? kthread_freezable_should_stop+0x4b/0x4b Mar 16 11:32:03 netboy kernel: [ 287.432288] ---[ end trace 4a7da2dcc2431944 ]---