I'm seeing iwlwifi problems after resuming from suspend. Here's an example of a recent encounter of bug topic signature. Heuristic estimations put the problems starting somewhere after 3.10.10 releases. Dec 16 22:13:17 xps14 kernel: [271626.186913] PM: resume of devices complete after 1716.241 msecs Dec 16 22:13:17 xps14 kernel: [271626.187704] PM: Finishing wakeup. Dec 16 22:13:17 xps14 kernel: [271626.187706] Restarting tasks ... done. Dec 16 22:13:17 xps14 kernel: [271626.199264] video LNXVIDEO:00: Restoring backlight state Dec 16 22:13:17 xps14 kernel: [271626.484263] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off Dec 16 22:13:19 xps14 bluetoothd[2552]: HCI dev 0 unregistered Dec 16 22:13:19 xps14 bluetoothd[2552]: Stopping hci0 event socket Dec 16 22:13:19 xps14 bluetoothd[2552]: Unregister path: /org/bluez/2552/hci0 Dec 16 22:13:19 xps14 bluetoothd[2552]: HCI dev 0 registered Dec 16 22:13:19 xps14 bluetoothd[2552]: Listening for HCI events on hci0 Dec 16 22:13:19 xps14 bluetoothd[2552]: HCI dev 0 up Dec 16 22:13:19 xps14 bluetoothd[16513]: Can't init device hci0: Operation not possible due to RF-kill (132) Dec 16 22:13:19 xps14 bluetoothd[2552]: HCI dev 0 down Dec 16 22:13:19 xps14 dbus[1430]: [system] Rejected send message, 3 matched rules; type="method_return", sender=":1.54" (uid=1000 pid=3587 comm="/usr/bin/python2.7 /usr/bin/blueman-applet ") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.3" (uid=0 pid=2552 comm="/usr/sbin/bluetoothd ") Dec 16 22:13:19 xps14 dhcpcd[2461]: wlp2s0: carrier lost Dec 16 22:13:19 xps14 logger: ACPI event unhandled: jack/headphone HEADPHONE unplug Dec 16 22:13:19 xps14 wpa_cli: interface wlp2s0 DISCONNECTED Dec 16 22:13:19 xps14 wpa_cli: executing 'false /etc/init.d/net.wlp2s0 --quiet stop' failed Dec 16 22:13:19 xps14 kernel: [271628.584910] cfg80211: World regulatory domain updated: Dec 16 22:13:19 xps14 kernel: [271628.584915] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) Dec 16 22:13:19 xps14 kernel: [271628.584917] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 16 22:13:19 xps14 kernel: [271628.584919] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 16 22:13:19 xps14 kernel: [271628.584920] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) Dec 16 22:13:19 xps14 kernel: [271628.584922] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 16 22:13:19 xps14 kernel: [271628.584923] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) Dec 16 22:13:20 xps14 kernel: [271629.030028] ata2.00: configured for UDMA/133 Dec 16 22:13:20 xps14 kernel: [271629.030040] ata2: EH complete Dec 16 22:13:20 xps14 kernel: [271629.050720] sd 1:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA Dec 16 22:13:22 xps14 kernel: [271631.482977] iwlwifi 0000:02:00.0: Microcode SW error detected. Restarting 0x2000000. Dec 16 22:13:22 xps14 kernel: [271631.482982] iwlwifi 0000:02:00.0: CSR values: Dec 16 22:13:22 xps14 kernel: [271631.482983] iwlwifi 0000:02:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) Dec 16 22:13:22 xps14 kernel: [271631.482989] iwlwifi 0000:02:00.0: CSR_HW_IF_CONFIG_REG: 0X00484b00 Dec 16 22:13:22 xps14 kernel: [271631.482995] iwlwifi 0000:02:00.0: CSR_INT_COALESCING: 0X00000040 Dec 16 22:13:22 xps14 kernel: [271631.483000] iwlwifi 0000:02:00.0: CSR_INT: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483005] iwlwifi 0000:02:00.0: CSR_INT_MASK: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483010] iwlwifi 0000:02:00.0: CSR_FH_INT_STATUS: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483016] iwlwifi 0000:02:00.0: CSR_GPIO_IN: 0X00000030 Dec 16 22:13:22 xps14 kernel: [271631.483021] iwlwifi 0000:02:00.0: CSR_RESET: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483027] iwlwifi 0000:02:00.0: CSR_GP_CNTRL: 0X080403c5 Dec 16 22:13:22 xps14 kernel: [271631.483032] iwlwifi 0000:02:00.0: CSR_HW_REV: 0X000000b0 Dec 16 22:13:22 xps14 kernel: [271631.483037] iwlwifi 0000:02:00.0: CSR_EEPROM_REG: 0X0a790ffd Dec 16 22:13:22 xps14 kernel: [271631.483043] iwlwifi 0000:02:00.0: CSR_EEPROM_GP: 0X90000801 Dec 16 22:13:22 xps14 kernel: [271631.483048] iwlwifi 0000:02:00.0: CSR_OTP_GP_REG: 0X00030001 Dec 16 22:13:22 xps14 kernel: [271631.483053] iwlwifi 0000:02:00.0: CSR_GIO_REG: 0X00080044 Dec 16 22:13:22 xps14 kernel: [271631.483059] iwlwifi 0000:02:00.0: CSR_GP_UCODE_REG: 0X000002a9 Dec 16 22:13:22 xps14 kernel: [271631.483064] iwlwifi 0000:02:00.0: CSR_GP_DRIVER_REG: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483070] iwlwifi 0000:02:00.0: CSR_UCODE_DRV_GP1: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483075] iwlwifi 0000:02:00.0: CSR_UCODE_DRV_GP2: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483080] iwlwifi 0000:02:00.0: CSR_LED_REG: 0X00000060 Dec 16 22:13:22 xps14 kernel: [271631.483086] iwlwifi 0000:02:00.0: CSR_DRAM_INT_TBL_REG: 0X88244c89 Dec 16 22:13:22 xps14 kernel: [271631.483091] iwlwifi 0000:02:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 Dec 16 22:13:22 xps14 kernel: [271631.483096] iwlwifi 0000:02:00.0: CSR_ANA_PLL_CFG: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483102] iwlwifi 0000:02:00.0: CSR_HW_REV_WA_REG: 0X0001001a Dec 16 22:13:22 xps14 kernel: [271631.483107] iwlwifi 0000:02:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 Dec 16 22:13:22 xps14 kernel: [271631.483109] iwlwifi 0000:02:00.0: FH register values: Dec 16 22:13:22 xps14 kernel: [271631.483125] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X2453ee00 Dec 16 22:13:22 xps14 kernel: [271631.483142] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X02453ed0 Dec 16 22:13:22 xps14 kernel: [271631.483158] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000090 Dec 16 22:13:22 xps14 kernel: [271631.483174] iwlwifi 0000:02:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114 Dec 16 22:13:22 xps14 kernel: [271631.483190] iwlwifi 0000:02:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc Dec 16 22:13:22 xps14 kernel: [271631.483206] iwlwifi 0000:02:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 Dec 16 22:13:22 xps14 kernel: [271631.483222] iwlwifi 0000:02:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483238] iwlwifi 0000:02:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001 Dec 16 22:13:22 xps14 kernel: [271631.483255] iwlwifi 0000:02:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 Dec 16 22:13:22 xps14 kernel: [271631.483259] iwlwifi 0000:02:00.0: Loaded firmware version: 18.168.6.1 Dec 16 22:13:22 xps14 kernel: [271631.483269] iwlwifi 0000:02:00.0: FW error in SYNC CMD REPLY_RXON Dec 16 22:13:22 xps14 kernel: [271631.483275] iwlwifi 0000:02:00.0: Error clearing ASSOC_MSK on BSS (-5) Dec 16 22:13:22 xps14 kernel: [271631.483277] ------------[ cut here ]------------ Dec 16 22:13:22 xps14 kernel: [271631.483289] WARNING: at drivers/net/wireless/iwlwifi/dvm/mac80211.c:1627 iwlagn_mac_change_interface+0x123/0x15f [iwldvm]() Dec 16 22:13:22 xps14 kernel: [271631.483291] Modules linked in: nfs lockd sunrpc rfcomm bnep autofs4 nf_conntrack_ftp nf_conntrack_irc ipt_ULOG xt_conntrack nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack iptable_filter ip_tables zram(C) squashfs xt_mac xt_limit i8k fuse arc4 iwldvm mac80211 iwlwifi cfg80211 btusb bluetooth dell_wmi sparse_keymap rtsx_pci_sdmmc iTCO_wdt crc16 rfkill wmi mperf sdhci_pci sdhci mmc_core uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev psmouse pcspkr intel_powerclamp coretemp rtsx_pci snd_hda_codec_hdmi battery ac snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_pcm snd_page_alloc snd_timer i2c_i801 processor lpc_ich snd mfd_core mei_me fbcon bitblit softcursor crc32_pclmul i915 cfbfillrect cfbimgblt cfbcopyarea intel_agp intel_gtt drm_kms_helper drm ehci_pci agpgart ehci_hcd fb xhci_hcd fbdev video Dec 16 22:13:22 xps14 kernel: [271631.483353] CPU: 1 PID: 1434 Comm: wpa_supplicant Tainted: G C 3.10.2.23-pf64+ #12 Dec 16 22:13:22 xps14 kernel: [271631.483355] Hardware name: Dell Inc. XPS L421X/09JP1V, BIOS A13 12/07/2012 Dec 16 22:13:22 xps14 kernel: [271631.483356] ffffffffa054c76a ffff8802432e1808 ffffffff8141e435 ffff8802432e1848 Dec 16 22:13:22 xps14 kernel: [271631.483359] ffffffff8102b8d0 ffff88024551a670 0000000000000000 0000000000000001 Dec 16 22:13:22 xps14 kernel: [271631.483361] ffff8802440cb028 ffff880245519828 ffff88024551a670 ffff8802432e1858 Dec 16 22:13:22 xps14 kernel: [271631.483363] Call Trace: Dec 16 22:13:22 xps14 kernel: [271631.483370] [] dump_stack+0x19/0x1b Dec 16 22:13:22 xps14 kernel: [271631.483373] [] warn_slowpath_common+0x62/0x7b Dec 16 22:13:22 xps14 kernel: [271631.483376] [] warn_slowpath_null+0x15/0x17 Dec 16 22:13:22 xps14 kernel: [271631.483380] [] iwlagn_mac_change_interface+0x123/0x15f [iwldvm] Dec 16 22:13:22 xps14 kernel: [271631.483392] [] ieee80211_if_change_type+0x1ff/0x2f8 [mac80211] Dec 16 22:13:22 xps14 kernel: [271631.483402] [] ieee80211_change_iface+0x2d/0xed [mac80211] Dec 16 22:13:22 xps14 kernel: [271631.483412] [] cfg80211_change_iface+0x1dd/0x34a [cfg80211] Dec 16 22:13:22 xps14 kernel: [271631.483413] iwlwifi 0000:02:00.0: Start IWL Error Log Dump: Dec 16 22:13:22 xps14 kernel: [271631.483415] iwlwifi 0000:02:00.0: Status: 0x0000204C, count: 6 Dec 16 22:13:22 xps14 kernel: [271631.483417] iwlwifi 0000:02:00.0: 0x000014E7 | ADVANCED_SYSASSERT Dec 16 22:13:22 xps14 kernel: [271631.483418] iwlwifi 0000:02:00.0: 0x0001858C | uPc Dec 16 22:13:22 xps14 kernel: [271631.483419] iwlwifi 0000:02:00.0: 0x00018572 | branchlink1 Dec 16 22:13:22 xps14 kernel: [271631.483420] iwlwifi 0000:02:00.0: 0x00018572 | branchlink2 Dec 16 22:13:22 xps14 kernel: [271631.483422] iwlwifi 0000:02:00.0: 0x0000DBEA | interruptlink1 Dec 16 22:13:22 xps14 kernel: [271631.483423] iwlwifi 0000:02:00.0: 0x00000000 | interruptlink2 Dec 16 22:13:22 xps14 kernel: [271631.483424] iwlwifi 0000:02:00.0: 0x00000000 | data1 Dec 16 22:13:22 xps14 kernel: [271631.483426] iwlwifi 0000:02:00.0: 0x00000024 | data2 Dec 16 22:13:22 xps14 kernel: [271631.483427] iwlwifi 0000:02:00.0: 0x0000034D | line Dec 16 22:13:22 xps14 kernel: [271631.483428] iwlwifi 0000:02:00.0: 0x07808B16 | beacon time Dec 16 22:13:22 xps14 kernel: [271631.483429] iwlwifi 0000:02:00.0: 0x002FE4EA | tsf low Dec 16 22:13:22 xps14 kernel: [271631.483431] iwlwifi 0000:02:00.0: 0x00000000 | tsf hi Dec 16 22:13:22 xps14 kernel: [271631.483432] iwlwifi 0000:02:00.0: 0x00000000 | time gp1 Dec 16 22:13:22 xps14 kernel: [271631.483433] iwlwifi 0000:02:00.0: 0x00310754 | time gp2 Dec 16 22:13:22 xps14 kernel: [271631.483434] iwlwifi 0000:02:00.0: 0x00000000 | time gp3 Dec 16 22:13:22 xps14 kernel: [271631.483436] iwlwifi 0000:02:00.0: 0x754312A8 | uCode version Dec 16 22:13:22 xps14 kernel: [271631.483437] iwlwifi 0000:02:00.0: 0x000000B0 | hw version Dec 16 22:13:22 xps14 kernel: [271631.483438] iwlwifi 0000:02:00.0: 0x00484B00 | board version Dec 16 22:13:22 xps14 kernel: [271631.483440] iwlwifi 0000:02:00.0: 0x091C0010 | hcmd Dec 16 22:13:22 xps14 kernel: [271631.483441] iwlwifi 0000:02:00.0: 0x27823080 | isr0 Dec 16 22:13:22 xps14 kernel: [271631.483442] iwlwifi 0000:02:00.0: 0x0081E000 | isr1 Dec 16 22:13:22 xps14 kernel: [271631.483443] iwlwifi 0000:02:00.0: 0x00000E02 | isr2 Dec 16 22:13:22 xps14 kernel: [271631.483445] iwlwifi 0000:02:00.0: 0x0142D0C3 | isr3 Dec 16 22:13:22 xps14 kernel: [271631.483446] iwlwifi 0000:02:00.0: 0x00000000 | isr4 Dec 16 22:13:22 xps14 kernel: [271631.483447] iwlwifi 0000:02:00.0: 0x01000112 | isr_pref Dec 16 22:13:22 xps14 kernel: [271631.483448] iwlwifi 0000:02:00.0: 0x000260A4 | wait_event Dec 16 22:13:22 xps14 kernel: [271631.483450] iwlwifi 0000:02:00.0: 0x00000000 | l2p_control Dec 16 22:13:22 xps14 kernel: [271631.483451] iwlwifi 0000:02:00.0: 0x00000000 | l2p_duration Dec 16 22:13:22 xps14 kernel: [271631.483452] iwlwifi 0000:02:00.0: 0x00000000 | l2p_mhvalid Dec 16 22:13:22 xps14 kernel: [271631.483453] iwlwifi 0000:02:00.0: 0x00000000 | l2p_addr_match Dec 16 22:13:22 xps14 kernel: [271631.483455] iwlwifi 0000:02:00.0: 0x00000005 | lmpm_pmg_sel Dec 16 22:13:22 xps14 kernel: [271631.483456] iwlwifi 0000:02:00.0: 0x13011136 | timestamp Dec 16 22:13:22 xps14 kernel: [271631.483457] iwlwifi 0000:02:00.0: 0x00009098 | flow_handler Dec 16 22:13:22 xps14 kernel: [271631.483467] [] nl80211_set_interface+0x17e/0x1ab [cfg80211] Dec 16 22:13:22 xps14 kernel: [271631.483471] [] genl_family_rcv_msg+0x296/0x2e9 Dec 16 22:13:22 xps14 kernel: [271631.483474] [] genl_rcv_msg+0x42/0x5e Dec 16 22:13:22 xps14 kernel: [271631.483477] [] ? __alloc_skb+0x7e/0x18a Dec 16 22:13:22 xps14 kernel: [271631.483480] [] ? genl_family_rcv_msg+0x2e9/0x2e9 Dec 16 22:13:22 xps14 kernel: [271631.483482] [] netlink_rcv_skb+0x3d/0x88 Dec 16 22:13:22 xps14 kernel: [271631.483484] [] genl_rcv+0x24/0x34 Dec 16 22:13:22 xps14 kernel: [271631.483486] [] netlink_unicast+0xf1/0x17e Dec 16 22:13:22 xps14 kernel: [271631.483489] [] netlink_sendmsg+0x26b/0x2a5 Dec 16 22:13:22 xps14 kernel: [271631.483492] [] sock_sendmsg+0x70/0x85 Dec 16 22:13:22 xps14 kernel: [271631.483495] [] ? verify_iovec+0x50/0xa3 Dec 16 22:13:22 xps14 kernel: [271631.483497] [] ___sys_sendmsg+0x202/0x28a Dec 16 22:13:22 xps14 kernel: [271631.483501] [] ? handle_mm_fault+0x234/0x24e Dec 16 22:13:22 xps14 kernel: [271631.483504] [] ? __do_page_fault+0x34f/0x39e Dec 16 22:13:22 xps14 kernel: [271631.483507] [] ? SyS_sendto+0xe4/0x10c Dec 16 22:13:22 xps14 kernel: [271631.483510] [] ? ktime_get_ts+0x50/0xb5 Dec 16 22:13:22 xps14 kernel: [271631.483513] [] __sys_sendmsg+0x3d/0x5e Dec 16 22:13:22 xps14 kernel: [271631.483515] [] SyS_sendmsg+0x14/0x16 Dec 16 22:13:22 xps14 kernel: [271631.483518] [] system_call_fastpath+0x16/0x1b Dec 16 22:13:22 xps14 kernel: [271631.483520] ---[ end trace d8bc252a0e81c9c2 ]--- Dec 16 22:13:22 xps14 kernel: [271631.483521] iwlwifi 0000:02:00.0: Start IWL Event Log Dump: nothing in log Dec 16 22:13:22 xps14 kernel: [271631.483860] ieee80211 phy0: Hardware restart was requested Dec 16 22:13:22 xps14 kernel: [271631.483863] wlp2s0: Trigger new scan to find an IBSS to join Dec 16 22:13:22 xps14 kernel: [271631.483869] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:22 xps14 kernel: [271631.483916] iwlwifi 0000:02:00.0: L1 Disabled; Enabling L0S Dec 16 22:13:22 xps14 kernel: [271631.490693] iwlwifi 0000:02:00.0: Radio type=0x2-0x1-0x0 Dec 16 22:13:23 xps14 kernel: [271631.687231] iwlwifi 0000:02:00.0: Microcode SW error detected. Restarting 0x2000000. Dec 16 22:13:23 xps14 kernel: [271631.687235] iwlwifi 0000:02:00.0: CSR values: Dec 16 22:13:23 xps14 kernel: [271631.687237] iwlwifi 0000:02:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG) Dec 16 22:13:23 xps14 kernel: [271631.687243] iwlwifi 0000:02:00.0: CSR_HW_IF_CONFIG_REG: 0X00484b00 Dec 16 22:13:23 xps14 kernel: [271631.687248] iwlwifi 0000:02:00.0: CSR_INT_COALESCING: 0X0000ff40 Dec 16 22:13:23 xps14 kernel: [271631.687254] iwlwifi 0000:02:00.0: CSR_INT: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687259] iwlwifi 0000:02:00.0: CSR_INT_MASK: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687264] iwlwifi 0000:02:00.0: CSR_FH_INT_STATUS: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687270] iwlwifi 0000:02:00.0: CSR_GPIO_IN: 0X00000030 Dec 16 22:13:23 xps14 kernel: [271631.687274] iwlwifi 0000:02:00.0: CSR_RESET: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687280] iwlwifi 0000:02:00.0: CSR_GP_CNTRL: 0X080403c5 Dec 16 22:13:23 xps14 kernel: [271631.687285] iwlwifi 0000:02:00.0: CSR_HW_REV: 0X000000b0 Dec 16 22:13:23 xps14 kernel: [271631.687291] iwlwifi 0000:02:00.0: CSR_EEPROM_REG: 0X0a790ffd Dec 16 22:13:23 xps14 kernel: [271631.687296] iwlwifi 0000:02:00.0: CSR_EEPROM_GP: 0X90000801 Dec 16 22:13:23 xps14 kernel: [271631.687302] iwlwifi 0000:02:00.0: CSR_OTP_GP_REG: 0X00030001 Dec 16 22:13:23 xps14 kernel: [271631.687307] iwlwifi 0000:02:00.0: CSR_GIO_REG: 0X00080044 Dec 16 22:13:23 xps14 kernel: [271631.687312] iwlwifi 0000:02:00.0: CSR_GP_UCODE_REG: 0X00000004 Dec 16 22:13:23 xps14 kernel: [271631.687317] iwlwifi 0000:02:00.0: CSR_GP_DRIVER_REG: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687322] iwlwifi 0000:02:00.0: CSR_UCODE_DRV_GP1: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687328] iwlwifi 0000:02:00.0: CSR_UCODE_DRV_GP2: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687333] iwlwifi 0000:02:00.0: CSR_LED_REG: 0X00000018 Dec 16 22:13:23 xps14 kernel: [271631.687338] iwlwifi 0000:02:00.0: CSR_DRAM_INT_TBL_REG: 0X88244c89 Dec 16 22:13:23 xps14 kernel: [271631.687343] iwlwifi 0000:02:00.0: CSR_GIO_CHICKEN_BITS: 0X27800200 Dec 16 22:13:23 xps14 kernel: [271631.687348] iwlwifi 0000:02:00.0: CSR_ANA_PLL_CFG: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687354] iwlwifi 0000:02:00.0: CSR_HW_REV_WA_REG: 0X0001001a Dec 16 22:13:23 xps14 kernel: [271631.687359] iwlwifi 0000:02:00.0: CSR_DBG_HPET_MEM_REG: 0Xffff0000 Dec 16 22:13:23 xps14 kernel: [271631.687361] iwlwifi 0000:02:00.0: FH register values: Dec 16 22:13:23 xps14 kernel: [271631.687377] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X2453ee00 Dec 16 22:13:23 xps14 kernel: [271631.687393] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X02453ed0 Dec 16 22:13:23 xps14 kernel: [271631.687409] iwlwifi 0000:02:00.0: FH_RSCSR_CHNL0_WPTR: 0X00000008 Dec 16 22:13:23 xps14 kernel: [271631.687425] iwlwifi 0000:02:00.0: FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114 Dec 16 22:13:23 xps14 kernel: [271631.687441] iwlwifi 0000:02:00.0: FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc Dec 16 22:13:23 xps14 kernel: [271631.687457] iwlwifi 0000:02:00.0: FH_MEM_RSSR_RX_STATUS_REG: 0X07030000 Dec 16 22:13:23 xps14 kernel: [271631.687473] iwlwifi 0000:02:00.0: FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687489] iwlwifi 0000:02:00.0: FH_TSSR_TX_STATUS_REG: 0X07ff0001 Dec 16 22:13:23 xps14 kernel: [271631.687505] iwlwifi 0000:02:00.0: FH_TSSR_TX_ERROR_REG: 0X00000000 Dec 16 22:13:23 xps14 kernel: [271631.687509] iwlwifi 0000:02:00.0: Loaded firmware version: 18.168.6.1 Dec 16 22:13:23 xps14 kernel: [271631.687512] iwlwifi 0000:02:00.0: FW error in SYNC CMD REPLY_RXON Dec 16 22:13:23 xps14 kernel: [271631.687516] iwlwifi 0000:02:00.0: Error clearing ASSOC_MSK on BSS (-5) Dec 16 22:13:23 xps14 kernel: [271631.687656] iwlwifi 0000:02:00.0: Start IWL Error Log Dump: Dec 16 22:13:23 xps14 kernel: [271631.687661] iwlwifi 0000:02:00.0: Status: 0x0000006C, count: 6 Dec 16 22:13:23 xps14 kernel: [271631.687664] iwlwifi 0000:02:00.0: 0x000014E7 | ADVANCED_SYSASSERT Dec 16 22:13:23 xps14 kernel: [271631.687665] iwlwifi 0000:02:00.0: 0x0001858C | uPc Dec 16 22:13:23 xps14 kernel: [271631.687667] iwlwifi 0000:02:00.0: 0x00018572 | branchlink1 Dec 16 22:13:23 xps14 kernel: [271631.687669] iwlwifi 0000:02:00.0: 0x00018572 | branchlink2 Dec 16 22:13:23 xps14 kernel: [271631.687671] iwlwifi 0000:02:00.0: 0x0000DBEA | interruptlink1 Dec 16 22:13:23 xps14 kernel: [271631.687673] iwlwifi 0000:02:00.0: 0x00000000 | interruptlink2 Dec 16 22:13:23 xps14 kernel: [271631.687674] iwlwifi 0000:02:00.0: 0x00000000 | data1 Dec 16 22:13:23 xps14 kernel: [271631.687676] iwlwifi 0000:02:00.0: 0x00000024 | data2 Dec 16 22:13:23 xps14 kernel: [271631.687678] iwlwifi 0000:02:00.0: 0x0000034D | line Dec 16 22:13:23 xps14 kernel: [271631.687680] iwlwifi 0000:02:00.0: 0x00008BD1 | beacon time Dec 16 22:13:23 xps14 kernel: [271631.687681] iwlwifi 0000:02:00.0: 0x0001042F | tsf low Dec 16 22:13:23 xps14 kernel: [271631.687683] iwlwifi 0000:02:00.0: 0x00000000 | tsf hi Dec 16 22:13:23 xps14 kernel: [271631.687685] iwlwifi 0000:02:00.0: 0x00000000 | time gp1 Dec 16 22:13:23 xps14 kernel: [271631.687687] iwlwifi 0000:02:00.0: 0x00010433 | time gp2 Dec 16 22:13:23 xps14 kernel: [271631.687688] iwlwifi 0000:02:00.0: 0x00000000 | time gp3 Dec 16 22:13:23 xps14 kernel: [271631.687690] iwlwifi 0000:02:00.0: 0x754312A8 | uCode version Dec 16 22:13:23 xps14 kernel: [271631.687692] iwlwifi 0000:02:00.0: 0x000000B0 | hw version Dec 16 22:13:23 xps14 kernel: [271631.687694] iwlwifi 0000:02:00.0: 0x00484B00 | board version Dec 16 22:13:23 xps14 kernel: [271631.687696] iwlwifi 0000:02:00.0: 0x090E0010 | hcmd Dec 16 22:13:23 xps14 kernel: [271631.687697] iwlwifi 0000:02:00.0: 0x00122080 | isr0 Dec 16 22:13:23 xps14 kernel: [271631.687699] iwlwifi 0000:02:00.0: 0x00000000 | isr1 Dec 16 22:13:23 xps14 kernel: [271631.687701] iwlwifi 0000:02:00.0: 0x00000602 | isr2 Dec 16 22:13:23 xps14 kernel: [271631.687703] iwlwifi 0000:02:00.0: 0x014400C0 | isr3 Dec 16 22:13:23 xps14 kernel: [271631.687704] iwlwifi 0000:02:00.0: 0x00000000 | isr4 Dec 16 22:13:23 xps14 kernel: [271631.687706] iwlwifi 0000:02:00.0: 0x01000112 | isr_pref Dec 16 22:13:23 xps14 kernel: [271631.687708] iwlwifi 0000:02:00.0: 0x000260A4 | wait_event Dec 16 22:13:23 xps14 kernel: [271631.687710] iwlwifi 0000:02:00.0: 0x00000000 | l2p_control Dec 16 22:13:23 xps14 kernel: [271631.687711] iwlwifi 0000:02:00.0: 0x00000000 | l2p_duration Dec 16 22:13:23 xps14 kernel: [271631.687713] iwlwifi 0000:02:00.0: 0x00000000 | l2p_mhvalid Dec 16 22:13:23 xps14 kernel: [271631.687715] iwlwifi 0000:02:00.0: 0x00000000 | l2p_addr_match Dec 16 22:13:23 xps14 kernel: [271631.687717] iwlwifi 0000:02:00.0: 0x00000047 | lmpm_pmg_sel Dec 16 22:13:23 xps14 kernel: [271631.687719] iwlwifi 0000:02:00.0: 0x13011136 | timestamp Dec 16 22:13:23 xps14 kernel: [271631.687720] iwlwifi 0000:02:00.0: 0x00000818 | flow_handler Dec 16 22:13:23 xps14 kernel: [271631.687826] iwlwifi 0000:02:00.0: Start IWL Event Log Dump: nothing in log Dec 16 22:13:23 xps14 kernel: [271631.688025] iwlwifi 0000:02:00.0: Unable to initialize device. Dec 16 22:13:43 xps14 kernel: [271651.655739] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:44 xps14 kernel: [271652.657405] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:45 xps14 kernel: [271653.659051] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:46 xps14 kernel: [271654.659776] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:47 xps14 kernel: [271655.661433] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:48 xps14 kernel: [271656.662536] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:49 xps14 kernel: [271657.664255] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:50 xps14 kernel: [271658.665962] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:51 xps14 kernel: [271659.666662] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:52 xps14 kernel: [271660.668309] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:53 xps14 kernel: [271661.670012] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:54 xps14 kernel: [271662.671742] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:55 xps14 kernel: [271663.673402] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:56 xps14 kernel: [271664.674133] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:56 xps14 kernel: [271665.312000] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:13:56 xps14 kernel: [271665.338690] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:13:56 xps14 kernel: [271665.358548] xhci_hcd 0000:00:14.0: setting latency timer to 64 Dec 16 22:13:56 xps14 kernel: [271665.365303] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:13:56 xps14 kernel: [271665.621936] usb 1-1: new high-speed USB device number 8 using xhci_hcd Dec 16 22:13:57 xps14 kernel: [271665.675779] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:57 xps14 kernel: [271665.728018] usb-storage 1-1:1.0: USB Mass Storage device detected Dec 16 22:13:57 xps14 kernel: [271665.728073] scsi7 : usb-storage 1-1:1.0 Dec 16 22:13:57 xps14 kernel: [271665.728212] usb-storage 1-1:1.1: USB Mass Storage device detected Dec 16 22:13:57 xps14 kernel: [271665.728281] scsi8 : usb-storage 1-1:1.1 Dec 16 22:13:57 xps14 usb_modeswitch: switch device 12d1:1446 on 001/008 Dec 16 22:13:57 xps14 kernel: [271666.302244] usb 1-1: USB disconnect, device number 8 Dec 16 22:13:58 xps14 kernel: [271666.676793] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:13:59 xps14 kernel: [271667.678223] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:00 xps14 kernel: [271668.679889] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:01 xps14 kernel: [271669.680523] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:01 xps14 kernel: [271669.984108] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.010829] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.037524] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.064160] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.090801] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.117480] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.144161] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.170882] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.197522] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.224257] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.250885] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.277568] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.304281] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.330924] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.357675] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.384290] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.411421] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.437631] ehci-pci 0000:00:1a.0: setting latency timer to 64 Dec 16 22:14:01 xps14 kernel: [271670.450909] xhci_hcd 0000:00:14.0: setting latency timer to 64 Dec 16 22:14:02 xps14 kernel: [271670.682192] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:02 xps14 kernel: [271670.714262] usb 1-1: new high-speed USB device number 9 using xhci_hcd Dec 16 22:14:02 xps14 kernel: [271670.820850] usb-storage 1-1:1.5: USB Mass Storage device detected Dec 16 22:14:02 xps14 kernel: [271670.820921] scsi9 : usb-storage 1-1:1.5 Dec 16 22:14:02 xps14 kernel: [271670.821047] usb-storage 1-1:1.6: USB Mass Storage device detected Dec 16 22:14:02 xps14 kernel: [271670.821097] scsi10 : usb-storage 1-1:1.6 Dec 16 22:14:02 xps14 kernel: [271670.841163] usbcore: registered new interface driver usbserial Dec 16 22:14:02 xps14 kernel: [271670.841185] usbcore: registered new interface driver usbserial_generic Dec 16 22:14:02 xps14 kernel: [271670.841305] usbserial: USB Serial support registered for generic Dec 16 22:14:02 xps14 kernel: [271670.843768] usbcore: registered new interface driver option Dec 16 22:14:02 xps14 kernel: [271670.843787] usbserial: USB Serial support registered for GSM modem (1-port) Dec 16 22:14:02 xps14 kernel: [271670.843910] option 1-1:1.0: GSM modem (1-port) converter detected Dec 16 22:14:02 xps14 kernel: [271670.844009] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0 Dec 16 22:14:02 xps14 kernel: [271670.844048] option 1-1:1.3: GSM modem (1-port) converter detected Dec 16 22:14:02 xps14 kernel: [271670.844131] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1 Dec 16 22:14:02 xps14 kernel: [271670.844146] option 1-1:1.4: GSM modem (1-port) converter detected Dec 16 22:14:02 xps14 kernel: [271670.844219] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB2 Dec 16 22:14:02 xps14 logger: usb_modeswitch: switched to 12d1:1506 on 001/009 Dec 16 22:14:03 xps14 kernel: [271671.683416] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:03 xps14 kernel: [271671.826165] scsi 9:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2 Dec 16 22:14:03 xps14 kernel: [271671.826689] scsi 10:0:0:0: Direct-Access HUAWEI TF CARD Storage PQ: 0 ANSI: 2 Dec 16 22:14:03 xps14 kernel: [271671.829202] sd 10:0:0:0: [sdb] Attached SCSI removable disk Dec 16 22:14:03 xps14 kernel: [271671.834241] sr0: scsi-1 drive Dec 16 22:14:03 xps14 kernel: [271671.834250] cdrom: Uniform CD-ROM driver Revision: 3.20 Dec 16 22:14:03 xps14 kernel: [271671.834398] sr 9:0:0:0: Attached scsi CD-ROM sr0 Dec 16 22:14:03 xps14 kernel: [271671.881430] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 8 ep 14 with no TDs queued? Dec 16 22:14:04 xps14 kernel: [271672.685063] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:05 xps14 kernel: [271673.685860] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:06 xps14 kernel: [271674.686599] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:07 xps14 kernel: [271675.688260] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:08 xps14 kernel: [271676.689397] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:09 xps14 kernel: [271677.691064] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:10 xps14 kernel: [271678.692713] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:11 xps14 kernel: [271679.693440] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:12 xps14 kernel: [271680.695078] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:13 xps14 kernel: [271681.696715] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:14 xps14 kernel: [271682.698141] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:15 xps14 kernel: [271683.699760] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:16 xps14 kernel: [271684.700395] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:17 xps14 kernel: [271685.701735] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:18 xps14 kernel: [271686.702838] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:19 xps14 kernel: [271687.704444] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:20 xps14 kernel: [271688.706001] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:21 xps14 kernel: [271689.706753] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:22 xps14 kernel: [271690.708411] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:23 xps14 kernel: [271691.710064] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:24 xps14 kernel: [271692.711796] iwlwifi 0000:02:00.0: Request scan called when driver not ready. Dec 16 22:14:25 xps14 kernel: [271693.713519] iwlwifi 0000:02:00.0: Request scan called when driver not ready. This is where I notice endless fail loop and just force unload the modules. Dec 16 22:14:53 xps14 sudo: leho : TTY=pts/4 ; PWD=/home/leho ; USER=root ; COMMAND=/sbin/modprobe -rv iwldvm