Regression: 16.10 after resuming from suspend internet connection is not restablished

[taiebot65]

Distro: Lubuntu
Device: Bus 001 Device 002: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter

This is my dmesg output when reconnecting

 wlan0: authenticate with 30:b5:c2:ad:b1:58
[ 149.927996] wlan0: send auth to 30:b5:c2:ad:b1:58 (try 1/3)
[ 149.929721] wlan0: authenticated
[ 149.932293] wlan0: associate with 30:b5:c2:ad:b1:58 (try 1/3)
[ 149.976858] wlan0: RX AssocResp from 30:b5:c2:ad:b1:58 (capab=0x431 status=0 aid=5)
[ 149.978961] wlan0: associated
[ 149.979027] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 150.042048] ------------[ cut here ]------------
[ 150.042115] WARNING: CPU: 0 PID: 880 at /build/linux-0gM0c3/linux-4.8.0/drivers/gpu/drm/i915/intel_display.c:1244 assert_cursor.constprop.127+0xe1/0xf0 [i915]
[ 150.042116] cursor on pipe A assertion failure (expected off, current on)
[ 150.042117] Modules linked in: ccm arc4 snd_hda_codec_si3054 snd_hda_codec_idt snd_hda_codec_generic snd_hda_intel rtl8187 snd_hda_codec mac80211 snd_hda_core snd_hwdep snd_pcm bluetooth zram snd_seq_midi snd_seq_midi_event snd_rawmidi cfg80211 coretemp pcmcia snd_seq joydev input_leds serio_raw snd_seq_device eeprom_93cx6 snd_timer yenta_socket lpc_ich snd tifm_7xx1 pcmcia_rsrc pcmcia_core tifm_core shpchp soundcore mac_hid binfmt_misc parport_pc ppdev lp parport ip_tables x_tables autofs4 i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops firewire_ohci psmouse drm firewire_core ahci pata_acpi libahci sky2 crc_itu_t video fjes
[ 150.042171] CPU: 0 PID: 880 Comm: Xorg Tainted: G W 4.8.0-27-generic #29-Ubuntu
[ 150.042172] Hardware name: Gateway ML6226B / , BIOS 77.10 03/06/2007
[ 150.042175] c6b54967 c8e0f2b6 00000286 f168fa00 c63da625 f168fa44 f8b73798 f168fa30
[ 150.042180] c6071b9a f8b75b5c f168fa64 00000370 f8b73798 000004dc f8afdaa1 000004dc
[ 150.042185] f5660000 00000041 f559b000 f168fa50 c6071c06 00000009 00000000 f168fa44
[ 150.042191] Call Trace:
[ 150.042199] [<c63da625>] dump_stack+0x58/0x73
[ 150.042203] [<c6071b9a>] __warn+0xea/0x110
[ 150.042244] [<f8afdaa1>] ? assert_cursor.constprop.127+0xe1/0xf0 [i915]
[ 150.042246] [<c6071c06>] warn_slowpath_fmt+0x46/0x60
[ 150.042287] [<f8afdaa1>] assert_cursor.constprop.127+0xe1/0xf0 [i915]
[ 150.042328] [<f8b00a08>] intel_disable_pipe+0x48/0x260 [i915]
[ 150.042360] [<f8565542>] ? drm_crtc_vblank_get+0x12/0x20 [drm]
[ 150.042399] [<f8af7a33>] ? assert_vblank_disabled+0x13/0x70 [i915]
[ 150.042440] [<f8b03900>] i9xx_crtc_disable+0x70/0x480 [i915]
[ 150.042480] [<f8af9a43>] ? intel_crtc_disable_planes+0xc3/0xd0 [i915]
[ 150.042521] [<f8b07668>] intel_atomic_commit_tail+0x148/0x1050 [i915]
[ 150.042526] [<c61db897>] ? kmem_cache_alloc_trace+0xc7/0x1a0
[ 150.042547] [<f8500784>] ? drm_atomic_helper_setup_commit+0x2a4/0x300 [drm_kms_helper]
[ 150.042558] [<f8500784>] ? drm_atomic_helper_setup_commit+0x2a4/0x300 [drm_kms_helper]
[ 150.042569] [<f84fe198>] ? drm_atomic_helper_swap_state+0x1b8/0x2d0 [drm_kms_helper]
[ 150.042610] [<f8b0897e>] intel_atomic_commit+0x40e/0x510 [i915]
[ 150.042634] [<f857dc6b>] ? drm_atomic_check_only+0x19b/0x660 [drm]
[ 150.042658] [<f857e162>] drm_atomic_commit+0x32/0x60 [drm]
[ 150.042699] [<f8b0e162>] intel_release_load_detect_pipe+0x22/0xa0 [i915]
[ 150.042703] [<c60b3ab0>] ? wake_atomic_t_function+0x70/0x70
[ 150.042742] [<f8ae0590>] ? gen9_write64+0x3e0/0x3e0 [i915]
[ 150.042781] [<f8ae0590>] ? gen9_write64+0x3e0/0x3e0 [i915]
[ 150.042825] [<f8b4afbd>] intel_tv_detect+0x32d/0x660 [i915]
[ 150.042848] [<f857d380>] ? crtc_commit_free+0x10/0x20 [drm]
[ 150.042860] [<f84f6e58>] drm_helper_probe_single_connector_modes+0x258/0x530 [drm_kms_helper]
[ 150.042881] [<f856b98b>] ? get_properties+0xab/0xf0 [drm]
[ 150.042902] [<f856b440>] ? _object_find+0x60/0xe0 [drm]
[ 150.042924] [<f8570da5>] drm_mode_getconnector+0x285/0x2f0 [drm]
[ 150.042929] [<c6809ea7>] ? __ww_mutex_lock+0x17/0xa0
[ 150.042932] [<c61dd48f>] ? __check_heap_object+0x5f/0xa0
[ 150.042955] [<f8570b20>] ? drm_mode_getcrtc+0x140/0x140 [drm]
[ 150.042972] [<f8563d73>] drm_ioctl+0x1b3/0x4e0 [drm]
[ 150.042976] [<c623d760>] ? fcntl_dirnotify+0x300/0x300
[ 150.042978] [<c623d7a4>] ? inotify_merge+0x44/0x50
[ 150.042980] [<c623d90d>] ? inotify_free_event+0xd/0x10
[ 150.043002] [<f8570b20>] ? drm_mode_getcrtc+0x140/0x140 [drm]
[ 150.043021] [<f8563bc0>] ? drm_getunique+0x60/0x60 [drm]
[ 150.043024] [<c620e511>] do_vfs_ioctl+0x91/0x740
[ 150.043027] [<c61f6d19>] ? __check_object_size+0xa9/0x12c
[ 150.043030] [<c620ec20>] SyS_ioctl+0x60/0x70
[ 150.043033] [<c60038ad>] do_fast_syscall_32+0x8d/0x140
[ 150.043035] [<c680c47a>] sysenter_past_esp+0x47/0x75
[ 150.043037] ---[ end trace d6d71add1bd0c69f ]---

After a restart via sudo systemctl restart network-manager.service

[ 208.041514] wlan0: deauthenticating from 30:b5:c2:ad:b1:58 by local choice (Reason: 3=DEAUTH_LEAVING)
[ 209.311005] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 209.333881] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 209.681951] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 214.016683] wlan0: authenticate with 30:b5:c2:ad:b1:58
[ 214.305796] wlan0: send auth to 30:b5:c2:ad:b1:58 (try 1/3)
[ 214.311157] wlan0: authenticated
[ 214.312244] wlan0: associate with 30:b5:c2:ad:b1:58 (try 1/3)
[ 214.331848] wlan0: RX AssocResp from 30:b5:c2:ad:b1:58 (capab=0x431 status=0 aid=5)
[ 214.332979] wlan0: associated
[ 214.333048] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[taiebot65 (dedreuil)]

OK I believe it is a kernel issue following the changelog of the latest kernel there was some issues with reloading the driver https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7