Public bug reported:
After a reboot my wifi suddenly didn't work anymore, dmesg showed:
[ 8.711330] iwlwifi 0000:04:00.0: SecBoot CPU1 Status: 0x3040001, CPU2
Status: 0x0
[ 8.711336] iwlwifi 0000:04:00.0: Collecting data: trigger 15 fired.
[ 8.960114] iwlwifi 0000:04:00.0: Not valid error log pointer 0x00000000 for
Init uCode
[ 8.960236] iwlwifi 0000:04:00.0: Fseq Registers:
[ 8.960285] iwlwifi 0000:04:00.0: 0x355FFACF | FSEQ_ERROR_CODE
[ 8.960340] iwlwifi 0000:04:00.0: 0x5E555D0C | FSEQ_TOP_INIT_VERSION
[ 8.960390] iwlwifi 0000:04:00.0: 0x00440480 | FSEQ_CNVIO_INIT_VERSION
[ 8.960439] iwlwifi 0000:04:00.0: 0x0000A056 | FSEQ_OTP_VERSION
[ 8.960488] iwlwifi 0000:04:00.0: 0xBA8CC809 | FSEQ_TOP_CONTENT_VERSION
[ 8.960537] iwlwifi 0000:04:00.0: 0xBF49711A | FSEQ_ALIVE_TOKEN
[ 8.960586] iwlwifi 0000:04:00.0: 0x823938D2 | FSEQ_CNVI_ID
[ 8.960635] iwlwifi 0000:04:00.0: 0x01B9E7F7 | FSEQ_CNVR_ID
[ 8.960684] iwlwifi 0000:04:00.0: 0x03000000 | CNVI_AUX_MISC_CHIP
[ 8.960734] iwlwifi 0000:04:00.0: 0x0BADCAFE | CNVR_AUX_MISC_CHIP
[ 8.960783] iwlwifi 0000:04:00.0: 0x0BADCAFE |
CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
[ 8.960841] iwlwifi 0000:04:00.0: 0x0BADCAFE |
CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
[ 8.960891] iwlwifi 0000:04:00.0: Failed to start INIT ucode: -110
[ 8.960903] iwlwifi 0000:04:00.0: Collecting data: trigger 16 fired.
[ 9.994975] iwlwifi 0000:04:00.0: Failed to run INIT ucode: -110
first I thought it was something with secure boot however I didn't
change anything in the bios and checking showed that it is infact
disabled, also running sudo mokutil --sb-state shows SecureBoot
disabled
anyways I found out that I had an update of the package linux-firmware
from 1.187.16 to 1.187.15 the day before.
Downgrading to 1.187 (for unknown reason I couldn't find the binary of
the old version 1.187.15 on my notebook nor on the internet anymore),
and reloading the module as described in
https://openterprise.it/2019/04/linux-reload-intel-wireless-card-kernel-
module/ brought the wifi back.
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1943684
Title:
upgrading from 1.187.15 -> 1.187.16 breaks iwlwifi for intel 8260
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