iwlwifi fails after suspend&resume (Failed to start RT ucode: -110)

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We have verified that the issue can be fixed with the Intel -67 iwlwifi firmware. Probably the firmware newer than -67 might have fix for it.
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/iwlwifi-ty-a0-gf-a0-67.ucode

Could you install the firmware to your system, and update the kernel here https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1948375 for loading later firmware version?

Please let us know if the solution works for your system too.

Thanks,

Hi, this works, yes. Thanks!

Will we see these fixes cherry-picked in a 5.15.0-24 kernel or so soon? The linux-firmware package has been ready for a while now with the new firmware

Ping! Releasing with broken WiFi after suspend & resume, with patches lying around for over a month, feels like a disservice to our users.

backport-iwlwifi-dkms 9858-0ubuntu1 is in jammy.

the linux kernel patches you see in that PPA has not been submitted for generic kernel for jammy. The changelog there needs fixing if we want to take that into generic kernel.

Hi a meetoo on Lenovo T430 using AX-210 MPCIE version and have resume issues with stock ubuntu 22.04, but i came to different workaround, by disabling offending ucode. and used trial error until i found working ucode.

in Short the result:
in /lib/firmware:
# ll iwlwifi-ty-a0-gf-a0-*
-rw-r--r-- 1 root root 1413868 jul 13 17:31 iwlwifi-ty-a0-gf-a0-59.ucode
-rw-r--r-- 1 root root 1455104 jul 13 17:31 iwlwifi-ty-a0-gf-a0-62.ucode_
-rw-r--r-- 1 root root 1460012 jul 13 17:31 iwlwifi-ty-a0-gf-a0-63.ucode_
-rw-r--r-- 1 root root 1481960 jul 13 17:31 iwlwifi-ty-a0-gf-a0-66.ucode_
-rw-r--r-- 1 root root 1482872 jul 13 17:31 iwlwifi-ty-a0-gf-a0-67.ucode
-rw-r--r-- 1 root root 1494304 jul 13 17:31 iwlwifi-ty-a0-gf-a0-68.ucode
-rw-r--r-- 1 root root 1494024 jul 13 17:31 iwlwifi-ty-a0-gf-a0-71.ucode
-rw-r--r-- 1 root root 1502900 jul 13 17:31 iwlwifi-ty-a0-gf-a0-73.ucode

in /lib/firmware:
# ll iwlwifi-ty-a0-gf-a0.pnvm*
-rw-r--r-- 1 root root 41588 jul 13 17:31 iwlwifi-ty-a0-gf-a0.pnvm_

(yes i also tried to install newer firmware, but current kernel refuses to load anything above -66.

The -59 works perfectly fine with resuming, don't have the feeling i miss something important using slightly older ucode.

dmesg shows like:
# dmesg -T |grep iwlwifi |grep loaded
[vr jul 15 20:55:28 2022] iwlwifi 0000:03:00.0: loaded firmware version 59.601f3a66.0 ty-a0-gf-a0-59.ucode op_mode iwlmvm

So you can solve the issue, without installing any ppa stuff, just rename few files. Even no need to reboot if you stop networking, unload iwlwifi and related modules and restart networking again.

Regards

Hi, small update.
tried kernel linux-oem-22.04, and noteced the suspend issue is also solved that way.

```
$ uname -a
Linux T430-i7 5.17.0-1015-oem #16-Ubuntu SMP PREEMPT Mon Aug 8 19:09:19 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

dmesg -T| grep loaded:
[ma aug 15 15:41:44 2022] iwlwifi 0000:03:00.0: loaded firmware version 68.01d30b0c.0 ty-a0-gf-a0-68.ucode op_mode iwlmvm
[ma aug 15 15:41:44 2022] iwlwifi 0000:03:00.0: loaded PNVM version 05a8dfca
```

So it seems newer kernel allows to load more recent firmware (.68 as apposed to .66), and with that the suspend/wakeup issue is also solved.

Note for random visitor: linux-oem-22.04 requires kernel modules to be signed, so can't add custom modules, so it might not be for everyone.

Regards,

Arjan