** Also affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1825678
Title:
Intel wifi fails to resume after suspend
Status in linux package in Ubuntu:
Incomplete
Status in linux-firmware package in Ubuntu:
Confirmed
Status in linux-hwe package in Ubuntu:
New
Bug description:
Yesterday my WiFi card(Intel Wireless 3165) didn't show up on resuming
the laptop from a suspend state. I rebooted a few times and found that
the situation hadn't changed. Rebooting and choosing older kernels
didn't help. I ran lspci and discovered my WiFi card was missing in
the output. I shut down the laptop assuming my WiFi card suffered a
hardware failure. In the evening, after starting up from a full
shutdown, the WiFi card worked again.
Today, the situation happened again, but I approached the debugging
more methodically. I looked at nmcli and found it still saw my wifi
card but found it unavailable. lspci could still see the Wifi card in
the last position. I analyzed dmesg output and discovered an iwlwifi
crash(the relevant part of dmesg is provided in wifi_dmesg.txt
attachment).
Then, I rebooted the laptop. This didn't fix the issue and from a
quick look at lspci, the wifi card was missing again. So I repeated
the procedure that worked the previous day - full shutdown, wait 10
seconds, then start up. This restored my WiFi card to a working state
and allowed me to file this bug report.
I will be happy to provide any further information that could read to
fixing this issue.
Additional information:
1. lsb_release -rd
Description: Peppermint 8 Eight
Release: 8
Yes, that's technically not Ubuntu. However, Peppermint does not modify
Ubuntu's kernel, and Peppermint 8 is based on Ubuntu 16.04 Xenial Xerus.
2. apt-cache policy linux-firmware
linux-firmware:
Installed: 1.157.21
Candidate: 1.157.21
Version table:
*** 1.157.21 500
500 http://pl.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
500 http://pl.archive.ubuntu.com/ubuntu xenial-updates/main i386
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main i386
Packages
100 /var/lib/dpkg/status
1.157 500
500 http://pl.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
500 http://pl.archive.ubuntu.com/ubuntu xenial/main i386 Packages
3. I expected suspend and resume to work like they did for the last
two years
4. iwlwifi crashed and dumped its registers.
5. Inxi, in case it's useful(many other bug reporting websites ask for it):
inxi -Fz
System: Host: PiDell Kernel: 4.15.0-47-generic x86_64 (64 bit) Desktop: N/A
Distro: Peppermint Eight
Machine: System: Dell (portable) product: Inspiron 15 7000 Gaming
Mobo: Dell model: 065C71 v: A00 Bios: Dell v: 1.7.0 date:
05/08/2018
CPU: Quad core Intel Core i7-7700HQ (-HT-MCP-) cache: 6144 KB
clock speeds: max: 3800 MHz 1: 800 MHz 2: 800 MHz 3: 800 MHz
4: 800 MHz 5: 800 MHz 6: 800 MHz 7: 800 MHz 8: 800 MHz
Graphics: Card-1: Intel Device 591b
Card-2: NVIDIA GP107M [GeForce GTX 1050 Ti Mobile]
Display Server: X.Org 1.19.6 driver: nvidia
Resolution: [email protected]
GLX Renderer: GeForce GTX 1050 Ti/PCIe/SSE2
GLX Version: 4.6.0 NVIDIA 396.54
Audio: Card Intel CM238 HD Audio Controller driver: snd_hda_intel
Sound: Advanced Linux Sound Architecture v: k4.15.0-47-generic
Network: Card-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
Controller
driver: r8169
IF: enp2s0 state: down mac: <filter>
Card-2: Intel Wireless 3165 driver: iwlwifi
IF: wlp3s0 state: up mac: <filter>
Drives: HDD Total Size: 1256.3GB (27.6% used)
ID-1: /dev/sda model: Micron_1100_SATA size: 256.1GB
ID-2: /dev/sdb model: TOSHIBA_MQ01ABD1 size: 1000.2GB
Partition: ID-1: / size: 46G used: 38G (87%) fs: ext4 dev: /dev/sdb3
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 51.0C mobo: N/A gpu: 48C
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 258 Uptime: 51 min Memory: 2152.2/15906.5MB
Client: Shell (bash) inxi: 2.2.35
---
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pshem 1905 F.... pulseaudio
CurrentDesktop: LXDE
Dependencies:
DistroRelease: Peppermint 8
HibernationDevice: RESUME=UUID=7681b134-71c7-448a-b097-0639f3c9dcea
InstallationDate: Installed on 2017-08-09 (621 days ago)
InstallationMedia: Peppermint 8 "Eight" - Release amd64 (20170527)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 056: ID 8087:0a2a Intel Corp.
Bus 001 Device 055: ID 17ef:603b Lenovo
Bus 001 Device 004: ID 0bda:568a Realtek Semiconductor Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. Inspiron 15 7000 Gaming
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
Package: linux-firmware 1.157.21 [origin: Ubuntu]
PackageArchitecture: all
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-47-generic
root=UUID=8b5bde92-e099-4fb4-990f-97dce1332ce1 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.15.0-47.50~16.04.1-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-47-generic N/A
linux-backports-modules-4.15.0-47-generic N/A
linux-firmware 1.157.21
Tags: xenial xenial third-party-packages
Uname: Linux 4.15.0-47-generic x86_64
UnreportableReason: This is not an official Peppermint package. Please remove
any third party package and try again.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip input lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 05/08/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.7.0
dmi.board.name: 065C71
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.7.0:bd05/08/2018:svnDellInc.:pnInspiron157000Gaming:pvr:rvnDellInc.:rn065C71:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Inspiron
dmi.product.name: Inspiron 15 7000 Gaming
dmi.sys.vendor: Dell Inc.
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