Public bug reported:
Ubuntu version:
Description:Ubuntu Eoan Ermine (development branch)
Release:19.10
System type:
description: Notebook
product: Precision 5530 (087D)
vendor: Dell Inc.
Hardware having issue:
(wireless card info from previous working kernel)
*-network
description: Wireless interface
product: Wireless-AC 9260
vendor: Intel Corporation
physical id: 0
bus info: pci@:3b:00.0
logical name: wlp59s0
version: 29
serial: 48:89:e7:d5:ab:b5
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list
ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi
driverversion=5.0.0-20-generic firmware=43.95eb4e97.0 ip=10.80.13.232 latency=0
link=yes multicast=yes wireless=IEEE 802.11
resources: irq:16 memory:ed40-ed403fff
Grub config with settings for Dell laptop hardware set:
/etc/default/grub
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT=0
GRUB_TIMEOUT=0
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
#GRUB_CMDLINE_LINUX_DEFAULT="nosplash"
GRUB_CMDLINE_LINUX="nouveau.blacklist=1 acpi_rev_override=1 acpi_osi=Linux
nouveau.modeset=0 pcie_aspm=force drm.vblankoffdelay=1 scsi_mod.use_blk_mq=1
nouveau.runpm=0 mem_sleep_default=deep"
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"
Iwlwifi config with 11n disabled, 11n wasn't ever stable before, so left it
disabled.
/etc/modprobe.d/iwlwifi.conf
# /etc/modprobe.d/iwlwifi.conf
# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
# microcode file installed on the system. When removing iwlwifi, first
# remove the iwl?vm module and then iwlwifi.
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211
options iwlwifi 11n_disable=1
Linux-Firmware package = 1.180
Nvidia Driver version = 430.34-0ubuntu2
Issue:
Problem with kernel 5.2.0-8-generic - Wifi firmware fails to load. Works with
5.0.0.-20-generic kernel.
Syslog:
Jul 17 15:13:31 Lappy kernel: [ 85.319088] iwlwifi :3b:00.0: Microcode SW
error detected. Restarting 0x0.
Jul 17 15:13:31 Lappy kernel: [ 85.320158] iwlwifi :3b:00.0: Start IWL
Error Log Dump:
Jul 17 15:13:31 Lappy kernel: [ 85.320161] iwlwifi :3b:00.0: Status:
0x0080, count: 6
Jul 17 15:13:31 Lappy kernel: [ 85.320162] iwlwifi :3b:00.0: Loaded
firmware version: 46.a41adfe7.0
Jul 17 15:13:31 Lappy kernel: [ 85.320164] iwlwifi :3b:00.0: 0x0071 |
NMI_INTERRUPT_UMAC_FATAL
Jul 17 15:13:31 Lappy kernel: [ 85.320166] iwlwifi :3b:00.0: 0x00A022F0 |
trm_hw_status0
Jul 17 15:13:31 Lappy kernel: [ 85.320167] iwlwifi :3b:00.0: 0x |
trm_hw_status1
Jul 17 15:13:31 Lappy kernel: [ 85.320168] iwlwifi :3b:00.0: 0x004882F2 |
branchlink2
Jul 17 15:13:31 Lappy kernel: [ 85.320169] iwlwifi :3b:00.0: 0x004793A2 |
interruptlink1
Jul 17 15:13:31 Lappy kernel: [ 85.320171] iwlwifi :3b:00.0: 0x00480EA2 |
interruptlink2
Jul 17 15:13:31 Lappy kernel: [ 85.320172] iwlwifi :3b:00.0: 0x0001A7D2 |
data1
Jul 17 15:13:31 Lappy kernel: [ 85.320173] iwlwifi :3b:00.0: 0x1000 |
data2
Jul 17 15:13:31 Lappy kernel: [ 85.320174] iwlwifi :3b:00.0: 0xE008 |
data3
Jul 17 15:13:31 Lappy kernel: [ 85.320176] iwlwifi :3b:00.0: 0x |
beacon time
Jul 17 15:13:31 Lappy kernel: [ 85.320177] iwlwifi :3b:00.0: 0x0003ED44 |
tsf low
Jul 17 15:13:31 Lappy kernel: [ 85.320178] iwlwifi :3b:00.0: 0x |
tsf hi
Jul 17 15:13:31 Lappy kernel: [ 85.320180] iwlwifi :3b:00.0: 0x |
time gp1
Jul 17 15:13:31 Lappy kernel: [ 85.320181] iwlwifi :3b:00.0: 0x0003ED44 |
time gp2
Jul 17 15:13:31 Lappy kernel: [ 85.320182] iwlwifi :3b:00.0: 0x0001 |
uCode revision ty
