Hi I'm affected as well.
I had hoped that the HWE kernel would somehow magically make things better but
it doesn't.
System is a Lenovo T580 with Dual Band Wireless AC 8265
Attaching dmesg section where the wifi crashes
Interesting lines:
529 [293336.199635] iwlwifi 0000:04:00.0: loaded firmware version
36.e91976c0.0 op_mode iwlmvm
530 [293336.199661] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless
AC 8265, REV=0x230
531 [293336.261557] iwlwifi 0000:04:00.0: base HW address: 18:1d:ea:2d:5e:2e
540 [293340.092557] iwlwifi 0000:04:00.0: Microcode SW error detected.
Restarting 0x2000000.
649 [293340.832903] iwlwifi 0000:04:00.0: Firmware error during
reconfiguration - reprobe!
650 [293340.832931] iwlwifi 0000:04:00.0: iwlwifi transaction failed, dumping
registers
733 [293340.836537] WARNING: CPU: 1 PID: 22378 at
/build/linux-hwe-jDoxDp/linux-hwe-4.18.0/net/mac80211/driver-ops.h:19
drv_remove_interface+0xfe/0x110 [mac80211]
(Repeats)
** Attachment added: "wifi-issues.log"
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1804841/+attachment/5228437/+files/wifi-issues.log
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https://bugs.launchpad.net/bugs/1804841
Title:
iwlwifi Microcode SW error detected. Restarting 0x2000000.
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