User talk:Tommyfankhauser

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Regarding the hardware on my XPS:

lspci -v

00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 08)
	Subsystem: Dell Device 0704
	Flags: bus master, fast devsel, latency 0
	Capabilities: <access denied>

00:02.0 VGA compatible controller: Intel Corporation Skylake Integrated Graphics (rev 07) (prog-if 00 [VGA controller])
	Subsystem: Dell Device 0704
	Flags: bus master, fast devsel, latency 0, IRQ 122
	Memory at db000000 (64-bit, non-prefetchable) [size=16M]
	Memory at 90000000 (64-bit, prefetchable) [size=256M]
	I/O ports at f000 [size=64]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915
	Kernel modules: i915

00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08)
	Subsystem: Dell Device 0704
	Flags: fast devsel, IRQ 16
	Memory at dc720000 (64-bit, non-prefetchable) [size=32K]
	Capabilities: <access denied>
	Kernel driver in use: proc_thermal
	Kernel modules: processor_thermal_device

00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21) (prog-if 30 [XHCI])
	Subsystem: Dell Device 0704
	Flags: medium devsel, IRQ 124
	Memory at dc710000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
	Subsystem: Dell Device 0704
	Flags: fast devsel, IRQ 255
	Memory at dc738000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>

00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
	Subsystem: Dell Device 0704
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at dc737000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci

00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
	Subsystem: Dell Device 0704
	Flags: bus master, fast devsel, latency 0, IRQ 17
	Memory at dc736000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci

00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
	Subsystem: Dell Device 0704
	Flags: bus master, fast devsel, latency 0, IRQ 282
	Memory at dc735000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: mei_me
	Kernel modules: mei_me

00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21) (prog-if 01 [AHCI 1.0])
	Subsystem: Dell Device 0704
	Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 125
	Memory at dc730000 (32-bit, non-prefetchable) [size=8K]
	Memory at dc734000 (32-bit, non-prefetchable) [size=256]
	I/O ports at f090 [size=8]
	I/O ports at f080 [size=4]
	I/O ports at f060 [size=32]
	Memory at dc733000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: ahci
	Kernel modules: ahci

00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Bus: primary=00, secondary=01, subordinate=39, sec-latency=0
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: c4000000-da0fffff
	Prefetchable memory behind bridge: 00000000a0000000-00000000c1ffffff
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Bus: primary=00, secondary=3a, subordinate=3a, sec-latency=0
	Memory behind bridge: dc000000-dc4fffff
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 17
	Bus: primary=00, secondary=3b, subordinate=3b, sec-latency=0
	Memory behind bridge: dc600000-dc6fffff
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1d.0 PCI bridge: Intel Corporation Device 9d18 (rev f1) (prog-if 00 [Normal decode])
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Bus: primary=00, secondary=3c, subordinate=3c, sec-latency=0
	I/O behind bridge: 0000e000-0000efff
	Memory behind bridge: dc500000-dc5fffff
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
	Subsystem: Dell Device 0704
	Flags: bus master, medium devsel, latency 0

00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
	Subsystem: Dell Device 0704
	Flags: fast devsel
	Memory at dc72c000 (32-bit, non-prefetchable) [disabled] [size=16K]

00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) (prog-if 80)
	Subsystem: Dell Device 0704
	Flags: bus master, fast devsel, latency 32, IRQ 283
	Memory at dc728000 (64-bit, non-prefetchable) [size=16K]
	Memory at dc700000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel, snd_soc_skl

00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
	Subsystem: Dell Device 0704
	Flags: medium devsel, IRQ 16
	Memory at dc732000 (64-bit, non-prefetchable) [size=256]
	I/O ports at f040 [size=32]
	Kernel modules: i2c_i801

3a:00.0 Network controller: Broadcom Corporation BCM4350 802.11ac Wireless Network Adapter (rev 08)
	Subsystem: Dell Device 0021
	Flags: bus master, fast devsel, latency 0, IRQ 284
	Memory at dc400000 (64-bit, non-prefetchable) [size=32K]
	Memory at dc000000 (64-bit, non-prefetchable) [size=4M]
	Capabilities: <access denied>
	Kernel driver in use: brcmfmac
	Kernel modules: brcmfmac

3b:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
	Subsystem: Dell Device 0704
	Flags: bus master, fast devsel, latency 0, IRQ 123
	Memory at dc600000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: rtsx_pci
	Kernel modules: rtsx_pci

3c:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller (rev 01) (prog-if 02 [NVM Express])
	Subsystem: Samsung Electronics Co Ltd Device a801
	Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0
	Memory at dc500000 (64-bit, non-prefetchable) [size=16K]
	I/O ports at e000 [size=256]
	Capabilities: <access denied>
	Kernel driver in use: nvme
	Kernel modules: nvme

You can check if it's similar or different from yours. In particular for the VGA controllers, I know some users have reported having different version of the hardware which causes a lot more issues for them. I guess, I was just lucky: I got no-so-new hardware. Bouh (talk) 06:11, 17 March 2016 (UTC)

Thanks for sharing! I diffed it to mine, and we have the exact same VGA section. The only difference is that I changed the Broadcom wifi chip with an Intel 7265.

< 3a:00.0 Network controller: Broadcom Corporation BCM4350 802.11ac Wireless Network Adapter (rev 08)
<   Subsystem: Dell Device 0021
<   Flags: bus master, fast devsel, latency 0, IRQ 284
<   Memory at dc400000 (64-bit, non-prefetchable) [size=32K]
<   Memory at dc000000 (64-bit, non-prefetchable) [size=4M]
---
> 3a:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)
>   Subsystem: Intel Corporation Dual Band Wireless-AC 7265
>   Flags: bus master, fast devsel, latency 0, IRQ 283
>   Memory at dc200000 (64-bit, non-prefetchable) [size=8K]
142,143c141,142
<   Kernel driver in use: brcmfmac
<   Kernel modules: brcmfmac
---
>   Kernel driver in use: iwlwifi
>   Kernel modules: iwlwifi
147,148c146,147

So the difference is that you use brcmfmac and I use iwlwifi. Do you think this could be the problem? I have absolutely no trouble with wifi, it works perfect.--Tommyfankhauser (talk) 12:02, 17 March 2016 (UTC)

What kind of kernel dump you see in journal --system -e if you try to poweroff? Bouh (talk) 01:26, 18 March 2016 (UTC)

When I suspend I get the following messages:

[ 1919.278038] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 1919.303133] PM: Syncing filesystems ... done.
[ 1919.317718] PM: Preparing system for sleep (mem)
[ 1919.318190] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 1919.319622] Freezing remaining freezable tasks ... (elapsed 0.000 seconds) done.
[ 1919.320397] PM: Suspending system (mem)
[ 1919.320414] Suspending console(s) (use no_console_suspend to debug)
[ 1919.527817] wifi0: deauthenticating from 34:81:c4:ed:03:32 by local choice (Reason: 3=DEAUTH_LEAVING)
[ 1919.547493] pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 [usbcore] returns -16
[ 1919.547502] dpm_run_callback(): pci_pm_suspend+0x0/0x140 returns -16
[ 1919.547506] PM: Device 0000:00:14.0 failed to suspend async: error -16
[ 1919.650826] Trying to free nonexistent resource <000000000000e000-000000000000e0ff>
[ 1919.823136] PM: Some devices failed to suspend, or early wake event detected
[ 1919.824383] iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
[ 1919.824591] iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
[ 1919.827489] rtc_cmos 00:01: System wakeup disabled by ACPI
[ 1919.884676] iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
[ 1919.884870] iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
[ 1919.904731] ------------[ cut here ]------------
[ 1919.904763] WARNING: CPU: 1 PID: 1991 at net/mac80211/key.c:681 ieee80211_enable_keys+0x172/0x180 [mac80211]()
[ 1919.904818] Modules linked in: sha256_ssse3 sha256_generic hmac drbg ansi_cprng ctr ccm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media btusb btrtl hid_generic joydev mousedev hid_multitouch dell_laptop dcdbas snd_hda_codec_hdmi arc4 i2c_designware_platform i2c_designware_core dell_wmi dell_led sparse_keymap nls_iso8859_1 intel_rapl nls_cp437 x86_pkg_temp_thermal intel_powerclamp coretemp vfat fat kvm_intel snd_soc_skl kvm snd_soc_skl_ipc snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp irqbypass snd_hda_codec_realtek crct10dif_pclmul crc32_pclmul snd_hda_codec_generic crc32c_intel aesni_intel snd_soc_core aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd snd_compress snd_pcm_dmaengine ac97_bus dw_dmac_core mac80211 input_leds led_class
[ 1919.904882]  snd_hda_intel pcspkr serio_raw snd_hda_codec snd_hda_core snd_hwdep iwlwifi snd_pcm snd_timer snd rtsx_pci_ms cfg80211 memstick soundcore i2c_i801 shpchp mei_me mei idma64 intel_lpss_pci processor_thermal_device intel_soc_dts_iosf iosf_mbi thermal fan wmi i2c_hid hci_uart btbcm btqca btintel bluetooth usbhid pinctrl_sunrisepoint hid pinctrl_intel rfkill intel_lpss_acpi intel_lpss int3403_thermal int340x_thermal_zone battery evdev int3400_thermal acpi_thermal_rel mac_hid ac acpi_als tpm_tis acpi_pad kfifo_buf fjes tpm industrialio processor sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 rtsx_pci_sdmmc mmc_core atkbd libps2 ahci libahci xhci_pci libata xhci_hcd rtsx_pci scsi_mod usbcore usb_common i8042 serio i915 video button intel_gtt i2c_algo_bit drm_kms_helper syscopyarea
[ 1919.904887]  sysfillrect sysimgblt fb_sys_fops drm nvme
[ 1919.904892] CPU: 1 PID: 1991 Comm: kworker/u8:33 Not tainted 4.4.5-1-ARCH #1
[ 1919.904893] Hardware name: Dell Inc. XPS 13 9350/0PWNCR, BIOS 1.2.3 01/08/2016
[ 1919.904902] Workqueue: events_unbound async_run_entry_fn
[ 1919.904907]  0000000000000286 00000000977e5bdf ffff880243b9fc58 ffffffff812cb391
[ 1919.904911]  0000000000000000 ffffffffa07df20f ffff880243b9fc90 ffffffff810776e2
[ 1919.904914]  ffff880274e34700 ffff880276fb6840 ffff880276fb6840 ffff8802705af504
[ 1919.904915] Call Trace:
[ 1919.904922]  [<ffffffff812cb391>] dump_stack+0x63/0x82
[ 1919.904929]  [<ffffffff810776e2>] warn_slowpath_common+0x82/0xc0
[ 1919.904934]  [<ffffffff8107782a>] warn_slowpath_null+0x1a/0x20
[ 1919.904953]  [<ffffffffa0797612>] ieee80211_enable_keys+0x172/0x180 [mac80211]
[ 1919.904973]  [<ffffffffa079bc5a>] ieee80211_reconfig+0xc6a/0x10e0 [mac80211]
[ 1919.904993]  [<ffffffffa07891cf>] ieee80211_resume+0x5f/0x70 [mac80211]
[ 1919.905006]  [<ffffffffa05ff916>] wiphy_resume+0x76/0x150 [cfg80211]
[ 1919.905016]  [<ffffffffa05ff8a0>] ? wiphy_namespace+0x20/0x20 [cfg80211]
[ 1919.905022]  [<ffffffff813fb470>] dpm_run_callback+0x50/0x170
[ 1919.905027]  [<ffffffff813fba43>] device_resume+0xd3/0x1f0
[ 1919.905031]  [<ffffffff813fbb7d>] async_resume+0x1d/0x50
[ 1919.905036]  [<ffffffff81097b38>] async_run_entry_fn+0x48/0x150
[ 1919.905042]  [<ffffffff8108f5bb>] process_one_work+0x14b/0x480
[ 1919.905046]  [<ffffffff8108f938>] worker_thread+0x48/0x4a0
[ 1919.905051]  [<ffffffff8108f8f0>] ? process_one_work+0x480/0x480
[ 1919.905054]  [<ffffffff810953d8>] kthread+0xd8/0xf0
[ 1919.905058]  [<ffffffff81095300>] ? kthread_worker_fn+0x170/0x170
[ 1919.905062]  [<ffffffff8159743f>] ret_from_fork+0x3f/0x70
[ 1919.905065]  [<ffffffff81095300>] ? kthread_worker_fn+0x170/0x170
[ 1919.905068] ---[ end trace 51b06cacb4ae0de6 ]---
[ 1920.037200] ------------[ cut here ]------------
[ 1920.037236] WARNING: CPU: 1 PID: 1959 at net/mac80211/key.c:119 decrease_tailroom_need_count+0x62/0x70 [mac80211]()
[ 1920.037298] Modules linked in: sha256_ssse3 sha256_generic hmac drbg ansi_cprng ctr ccm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common videodev media btusb btrtl hid_generic joydev mousedev hid_multitouch dell_laptop dcdbas snd_hda_codec_hdmi arc4 i2c_designware_platform i2c_designware_core dell_wmi dell_led sparse_keymap nls_iso8859_1 intel_rapl nls_cp437 x86_pkg_temp_thermal intel_powerclamp coretemp vfat fat kvm_intel snd_soc_skl kvm snd_soc_skl_ipc snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp irqbypass snd_hda_codec_realtek crct10dif_pclmul crc32_pclmul snd_hda_codec_generic crc32c_intel aesni_intel snd_soc_core aes_x86_64 lrw gf128mul iwlmvm glue_helper ablk_helper cryptd snd_compress snd_pcm_dmaengine ac97_bus dw_dmac_core mac80211 input_leds led_class
[ 1920.037371]  snd_hda_intel pcspkr serio_raw snd_hda_codec snd_hda_core snd_hwdep iwlwifi snd_pcm snd_timer snd rtsx_pci_ms cfg80211 memstick soundcore i2c_i801 shpchp mei_me mei idma64 intel_lpss_pci processor_thermal_device intel_soc_dts_iosf iosf_mbi thermal fan wmi i2c_hid hci_uart btbcm btqca btintel bluetooth usbhid pinctrl_sunrisepoint hid pinctrl_intel rfkill intel_lpss_acpi intel_lpss int3403_thermal int340x_thermal_zone battery evdev int3400_thermal acpi_thermal_rel mac_hid ac acpi_als tpm_tis acpi_pad kfifo_buf fjes tpm industrialio processor sch_fq_codel ip_tables x_tables ext4 crc16 mbcache jbd2 rtsx_pci_sdmmc mmc_core atkbd libps2 ahci libahci xhci_pci libata xhci_hcd rtsx_pci scsi_mod usbcore usb_common i8042 serio i915 video button intel_gtt i2c_algo_bit drm_kms_helper syscopyarea
[ 1920.037377]  sysfillrect sysimgblt fb_sys_fops drm nvme
[ 1920.037382] CPU: 1 PID: 1959 Comm: kworker/1:1 Tainted: G        W       4.4.5-1-ARCH #1
[ 1920.037384] Hardware name: Dell Inc. XPS 13 9350/0PWNCR, BIOS 1.2.3 01/08/2016
[ 1920.037409] Workqueue: events ieee80211_delayed_tailroom_dec [mac80211]
[ 1920.037415]  0000000000000286 000000007c3d60ee ffff88021d7dbd98 ffffffff812cb391
[ 1920.037419]  0000000000000000 ffffffffa07df20f ffff88021d7dbdd0 ffffffff810776e2
[ 1920.037423]  ffff880276fb6840 0000000000000002 ffff880280c99900 0000000000000000
[ 1920.037424] Call Trace:
[ 1920.037434]  [<ffffffff812cb391>] dump_stack+0x63/0x82
[ 1920.037442]  [<ffffffff810776e2>] warn_slowpath_common+0x82/0xc0
[ 1920.037447]  [<ffffffff8107782a>] warn_slowpath_null+0x1a/0x20
[ 1920.037467]  [<ffffffffa0796412>] decrease_tailroom_need_count+0x62/0x70 [mac80211]
[ 1920.037485]  [<ffffffffa07979df>] ieee80211_delayed_tailroom_dec+0x2f/0x50 [mac80211]
[ 1920.037492]  [<ffffffff8108f5bb>] process_one_work+0x14b/0x480
[ 1920.037497]  [<ffffffff8108f938>] worker_thread+0x48/0x4a0
[ 1920.037503]  [<ffffffff8108f8f0>] ? process_one_work+0x480/0x480
[ 1920.037507]  [<ffffffff810953d8>] kthread+0xd8/0xf0
[ 1920.037512]  [<ffffffff81095300>] ? kthread_worker_fn+0x170/0x170
[ 1920.037517]  [<ffffffff8159743f>] ret_from_fork+0x3f/0x70
[ 1920.037521]  [<ffffffff81095300>] ? kthread_worker_fn+0x170/0x170
[ 1920.037523] ---[ end trace 51b06cacb4ae0de7 ]---
[ 1920.869135] PM: resume of devices complete after 1045.959 msecs
[ 1921.069494] PM: Finishing wakeup.
[ 1921.069497] Restarting tasks ... done.
[ 1921.108700] PM: Syncing filesystems ... done.
[ 1921.142446] PM: Preparing system for sleep (freeze)
[ 1921.142696] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 1921.143885] Freezing remaining freezable tasks ... (elapsed 0.091 seconds) done.
[ 1921.235505] PM: Suspending system (freeze)
[ 1921.235514] Suspending console(s) (use no_console_suspend to debug)
[ 1921.361159] [drm] RC6 on
[ 1921.464034] Trying to free nonexistent resource <000000000000e000-000000000000e0ff>
[ 1921.647267] PM: suspend of devices complete after 309.542 msecs
[ 1921.663964] PM: late suspend of devices complete after 16.689 msecs
[ 1921.668990] xhci_hcd 0000:00:14.0: System wakeup enabled by ACPI
[ 1921.693847] PM: noirq suspend of devices complete after 26.611 msecs
[ 1921.693852] PM: suspend-to-idle
[ 1972.140112] PM: resume from suspend-to-idle
[ 1972.165791] xhci_hcd 0000:00:14.0: System wakeup disabled by ACPI
[ 1972.165948] PM: noirq resume of devices complete after 25.824 msecs
[ 1972.173730] PM: early resume of devices complete after 4.687 msecs
[ 1972.175055] iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
[ 1972.175397] iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
[ 1972.176000] rtc_cmos 00:01: System wakeup disabled by ACPI
[ 1972.216223] xhci_hcd 0000:00:14.0: port 1 resume PLC timeout
[ 1972.235674] iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
[ 1972.235872] iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
[ 1972.586012] usb 1-2: reset low-speed USB device number 2 using xhci_hcd
[ 1972.857652] usb 1-2: ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 1973.079159] PM: resume of devices complete after 905.396 msecs
[ 1973.079528] PM: Finishing wakeup.
[ 1973.079531] Restarting tasks ... 
[ 1973.079976] i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
[ 1973.085877] done.
[ 1973.553060] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input21
[ 1973.839154] [drm] RC6 on
[ 1976.472898] wifi0: authenticate with 34:81:c4:ed:03:32
[ 1976.476652] wifi0: send auth to 34:81:c4:ed:03:32 (try 1/3)
[ 1976.480943] wifi0: authenticated
[ 1976.482617] wifi0: associate with 34:81:c4:ed:03:32 (try 1/3)
[ 1976.492097] wifi0: RX AssocResp from 34:81:c4:ed:03:32 (capab=0x431 status=0 aid=6)
[ 1976.498836] wifi0: associated

However, for this try I was able to successfully resume with everything working just fine. Sometimes however, the display does just not turn on and I have to manually hardreset the laptop.

Further, when I issue a reboot or poweroff I get the following:

Mar 20 11:31:59 funkarch dhcpcd[2636]: sending signal TERM to pid 974
Mar 20 11:31:59 funkarch systemd[1]: Stopping Networking for netctl profile home...
Mar 20 11:31:59 funkarch dhcpcd[974]: received SIGTERM, stopping
Mar 20 11:31:59 funkarch systemd[1]: Stopped target Graphical Interface.
Mar 20 11:31:59 funkarch dhcpcd[974]: wifi0: removing interface
Mar 20 11:31:59 funkarch systemd[1]: Stopped target Multi-User System.
Mar 20 11:31:59 funkarch dhcpcd[2636]: waiting for pid 974 to exit
Mar 20 11:31:59 funkarch systemd[1]: Stopped Daily man-db cache update.
Mar 20 11:31:59 funkarch systemd[1]: Stopped Daily verification of password and group files.
Mar 20 11:31:59 funkarch systemd[1]: Stopping D-Bus System Message Bus...
Mar 20 11:31:59 funkarch systemd[1]: Stopped Daily locate database update.
Mar 20 11:31:59 funkarch systemd[1]: Stopped Discard unused blocks once a week.
Mar 20 11:31:59 funkarch systemd[1]: Stopped Daily rotation of log files.
Mar 20 11:31:59 funkarch systemd[399]: Stopped Sound Service.
Mar 20 11:31:59 funkarch systemd[399]: Stopped D-Bus User Message Bus.
Mar 20 11:31:59 funkarch systemd[399]: Stopped target Basic System.
Mar 20 11:31:59 funkarch systemd[399]: Stopped target Timers.
Mar 20 11:31:59 funkarch systemd[399]: Stopped target Paths.
Mar 20 11:31:59 funkarch systemd[399]: Stopped target Sockets.
Mar 20 11:31:59 funkarch systemd[399]: Closed D-Bus User Message Bus Socket.
Mar 20 11:31:59 funkarch systemd[399]: Closed Sound System.
Mar 20 11:31:59 funkarch systemd[399]: Reached target Shutdown.
Mar 20 11:31:59 funkarch systemd[399]: Starting Exit the Session...
Mar 20 11:31:59 funkarch systemd-logind[353]: Failed to abandon session scope: Connection reset by peer
Mar 20 11:31:59 funkarch systemd[1]: Starting Generate shutdown-ramfs...
Mar 20 11:31:59 funkarch systemd[1]: Stopped target Login Prompts.
Mar 20 11:31:59 funkarch systemd[1]: Stopping Getty on tty1...
Mar 20 11:31:59 funkarch systemd[1]: Stopped D-Bus System Message Bus.
Mar 20 11:31:59 funkarch systemd[399]: Received SIGRTMIN+24 from PID 2623 (kill).
Mar 20 11:31:59 funkarch systemd[1]: Stopped Getty on tty1.
Mar 20 11:31:59 funkarch systemd[1]: Stopped User Manager for UID 1000.
Mar 20 11:31:59 funkarch systemd[1]: Stopped RealtimeKit Scheduling Policy Service.
Mar 20 11:31:59 funkarch systemd[1]: Stopped Authorization Manager.
Mar 20 11:31:59 funkarch mkinitcpio[2621]: ==> Starting build: none
Mar 20 11:31:59 funkarch mkinitcpio[2621]:   -> Running build hook: [sd-shutdown]
Mar 20 11:31:59 funkarch dhcpcd[974]: dhcpcd exited
Mar 20 11:31:59 funkarch systemd[1]: Removed slice system-getty.slice.
Mar 20 11:31:59 funkarch systemd[1]: Requested transaction contradicts existing jobs: Transaction is destructive.
Mar 20 11:31:59 funkarch systemd[1]: systemd-coredump.socket: Failed to queue service startup job (Maybe the service file is missing or not a non-template unit?): Transaction
Mar 20 11:31:59 funkarch systemd[1]: systemd-coredump.socket: Unit entered failed state.
Mar 20 11:31:59 funkarch mkinitcpio[2621]: ==> Build complete.
Mar 20 11:31:59 funkarch systemd[1]: Started Generate shutdown-ramfs.
Mar 20 11:31:59 funkarch kernel: wifi0: deauthenticating from 34:81:c4:ed:03:32 by local choice (Reason: 3=DEAUTH_LEAVING)
Mar 20 11:31:59 funkarch network[2618]: Stopped network profile 'home'
Mar 20 11:31:59 funkarch systemd[1]: Stopped Networking for netctl profile home.
Mar 20 11:31:59 funkarch systemd[1]: Removed slice system-netctl.slice.

After issuing the systemctl reboot or poweroff, the display goes off and the system hangs forever. Sometimes, the display does not go off, and a systemd job after

 [ OK ] Removed slice system-getty.slice.

is running forever for Session c1 for my user.

Very rarely I can poweroff or reboot cleanly. --Tommyfankhauser (talk) 10:45, 20 March 2016 (UTC)

Hum. I can't really tell from the shutdown logs, but during the suspend, it's clear that you have an issue with the wireless. It would be interesting to try to stop your network manager (which seems to be netctl), unload your wireless module iwlwifi (the unloading itself might cause an issue), then try to suspend/poweroff. If you have no issues doing suspend/poweroff, then certainly, your wireless modules are at fault. Essentially:

# systemctl stop netctl
# modprobe -r iwlwifi
# systemctl suspend

See how that goes. Bouh (talk) 11:07, 20 March 2016 (UTC)

With unloaded iwlwifi I still was not able to wake up the system:

Mar 20 12:12:09 funkarch kernel:  [<ffffffff8137ade0>] ? acpi_ut_repair_name+0x2a/0x74
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8136f75c>] ? acpi_ns_search_one_scope+0x25/0x45
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8136f8cb>] ? acpi_ns_search_and_enter+0x14f/0x1ab
Mar 20 12:12:09 funkarch kernel:  [<ffffffff815952e4>] __down_timeout+0x74/0xd0
Mar 20 12:12:09 funkarch kernel:  [<ffffffff810bf1f7>] ? down_timeout+0x37/0x60
Mar 20 12:12:09 funkarch kernel:  [<ffffffff810bf20c>] down_timeout+0x4c/0x60
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8134af1f>] acpi_os_wait_semaphore+0x4c/0x67
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8136a8d9>] acpi_ex_system_wait_mutex+0x3c/0x4d
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8135d1be>] acpi_ds_begin_method_execution+0x13f/0x1d8
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8135d44a>] acpi_ds_call_control_method+0x54/0x17b
Mar 20 12:12:09 funkarch kernel:  [<ffffffff81372a41>] acpi_ps_parse_aml+0xaf/0x26f
Mar 20 12:12:09 funkarch kernel:  [<ffffffff813732a7>] acpi_ps_execute_method+0x14b/0x186
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8136d7e7>] acpi_ns_evaluate+0x1bb/0x247
Mar 20 12:12:09 funkarch kernel:  [<ffffffff81360d8f>] acpi_ev_asynch_execute_gpe_method+0xa0/0x105
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8134a22e>] acpi_os_execute_deferred+0x14/0x20
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8108f5bb>] process_one_work+0x14b/0x480
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8108f938>] worker_thread+0x48/0x4a0
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8108f8f0>] ? process_one_work+0x480/0x480
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8108f8f0>] ? process_one_work+0x480/0x480
Mar 20 12:12:09 funkarch kernel:  [<ffffffff810953d8>] kthread+0xd8/0xf0
Mar 20 12:12:09 funkarch kernel:  [<ffffffff81095300>] ? kthread_worker_fn+0x170/0x170
Mar 20 12:12:09 funkarch kernel:  [<ffffffff8159743f>] ret_from_fork+0x3f/0x70
Mar 20 12:12:09 funkarch kernel:  [<ffffffff81095300>] ? kthread_worker_fn+0x170/0x170
Mar 20 12:12:39 funkarch sudo[2394]:    tommy : TTY=pts/0 ; PWD=/home/tommy ; USER=root ; COMMAND=/usr/bin/netctl stop home
Mar 20 12:12:39 funkarch sudo[2394]: pam_unix(sudo:session): session opened for user root by (uid=0)
Mar 20 12:12:39 funkarch polkitd[467]: Registered Authentication Agent for unix-process:2399:87002 (system bus name :1.21 [/usr/bin/pkttyagent --notify-fd 4 --fallback], obje
Mar 20 12:12:39 funkarch systemd[1]: Stopping Networking for netctl profile home...
Mar 20 12:12:39 funkarch network[2405]: Stopping network profile 'home'...
Mar 20 12:12:39 funkarch dhcpcd[2411]: sending signal TERM to pid 2317
Mar 20 12:12:39 funkarch dhcpcd[2411]: waiting for pid 2317 to exit
Mar 20 12:12:39 funkarch dhcpcd[2317]: received SIGTERM, stopping
Mar 20 12:12:39 funkarch dhcpcd[2317]: wifi0: removing interface
Mar 20 12:12:39 funkarch dhcpcd[2317]: dhcpcd exited
Mar 20 12:12:39 funkarch kernel: wifi0: deauthenticating from 34:81:c4:ed:03:32 by local choice (Reason: 3=DEAUTH_LEAVING)
Mar 20 12:12:39 funkarch network[2405]: Stopped network profile 'home'
Mar 20 12:12:39 funkarch systemd[1]: Stopped Networking for netctl profile home.
Mar 20 12:12:39 funkarch polkitd[467]: Unregistered Authentication Agent for unix-process:2399:87002 (system bus name :1.21, object path /org/freedesktop/PolicyKit1/Authentic
Mar 20 12:12:39 funkarch sudo[2394]: pam_unix(sudo:session): session closed for user root
Mar 20 12:13:03 funkarch sudo[2499]:    tommy : TTY=pts/0 ; PWD=/home/tommy ; USER=root ; COMMAND=/usr/bin/modprobe -rv iwlmvm
Mar 20 12:13:03 funkarch sudo[2499]: pam_unix(sudo:session): session opened for user root by (uid=0)
Mar 20 12:13:03 funkarch systemd[1]: Starting Load/Save RF Kill Switch Status...
Mar 20 12:13:03 funkarch systemd[1]: Started Load/Save RF Kill Switch Status.
Mar 20 12:13:03 funkarch kernel: iwlwifi 0000:3a:00.0: L1 Enabled - LTR Disabled
Mar 20 12:13:03 funkarch sudo[2499]: pam_unix(sudo:session): session closed for user root
Mar 20 12:13:19 funkarch polkitd[467]: Registered Authentication Agent for unix-process:2589:91007 (system bus name :1.23 [/usr/bin/pkttyagent --notify-fd 5 --fallback], obje
Mar 20 12:13:19 funkarch systemd[1]: Starting Cleanup of Temporary Directories...

After suspend the screen goes black, and I have no chance of revitalising it trough pressing the power button etc.--Tommyfankhauser (talk) 11:22, 20 March 2016 (UTC)

What if you restart with the iwlwifi module blacklisted?

/etc/modprobe.d/no-iwlwifi.conf
blacklist iwlwifi

Does that make a difference when trying to suspend? (it's just for the sake of testing) Bouh (talk) 13:19, 23 March 2016 (UTC)

Thanks for your help. Blacklisting does not change anything in the suspend/resume - sometimes I can rewakeup the computer, sometimes I get the ACPI error. In the next few days I will make a little systematic test series with connected power, peripherals, etc. to see if I can boil the problem down to at least a certain subsystem. --Tommyfankhauser (talk) 16:31, 25 March 2016 (UTC)

Hi Tommyfankhauser, have you managed to progress with your suspend issue? Bouh (talk) 14:31, 7 April 2016 (UTC)

Hi, just see this and like to chime in. This: [1] appears to have fixed a similar issue with suspend on my machine (screen going black, fans spinning up, hardreset needed). Maybe it works in your case too. --Indigo (talk) 15:44, 7 April 2016 (UTC)

Thanks for asking back. I did not solve the issue, but was able to narrow it down. With the latest BIOS 1.3.3, suspend/resume works perfect, as long as I don't use the USB-C/Thunderbolt 3 connect. I tested this now massively. I've been running the laptop for more than 5 days now with endless suspend/resumes by systemd, the lid, etc. it works perfectly. However, as soon as I connect something to the USB-C port (I have a USB-C -> HDMI connector - fully working, and the official Dell DA200 - where the HDMI does not work yet), the suspend resume does not work anymore. There are no special dmesg errors except the mentioned skl_slowpath and the adapters and rest of system is working quite well. So currently I assume its something inside the Kernel or Firmware related to Thunderbolt 3. Tommyfankhauser (talk) 17:57, 7 April 2016 (UTC)