On Tue, Mar 8, 2022 at 3:55 PM You-Sheng Yang
<1962...@bugs.launchpad.net> wrote:
>
> Prebuilt binaries are available in
> https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1948375.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1962704
>
> Title:
> iwlwifi: Unknown symbol iwl_mei_is_connected
>
> Status in backport-iwlwifi-dkms package in Ubuntu:
> In Progress
> Status in backport-iwlwifi-dkms source package in Focal:
> In Progress
> Status in backport-iwlwifi-dkms source package in Impish:
> In Progress
> Status in backport-iwlwifi-dkms source package in Jammy:
> In Progress
>
> Bug description:
> [SRU Justification]
>
> [Impact]
>
> backport-iwlwifi-dkms has a few problems to prevent it from loading
> either kernel modules itself or the runtime firmware correctly.
>
> The first issue is "unknown symbol iwl_mei_is_connected" error at
> module probing. This affects revsions >= 9241 where iwlmei module was
> first introduced in commit 71e53a8aae59 ("mirror: multi-input
> commit"). This can be addressed by cherry picking commit cc7d59edeeae
> ("[BUGFIX][NOUPSTREAM] iwlwifi: bump min kernel version for iwlmei")
> of rev 9255 that bumps iwlmei prerequisite kernel version to 5.14, and
> commit 87dce6e9817a ("[BUGFIX][NOUPSTREAM] iwlwifi: iwlmei isn't going
> to be merged anytime soon") of rev 9543 that bumps to 5.20. Therefore
> this affects Impish & Jammy that currently have 9340.
>
> The second problem is that even we addressed 9340 with aforementioned
> fix backported, the iwlwifi module may still fail to load firmware
> that is known fixed in at least 9580 that is being proposed. This
> would affects Focal oem-5.14 as well.
>
> [Fix]
>
> Bump to 9580 that fixes both issues stated above.
>
> [Test Case]
>
> Compile and run against Focal oem-5.14/hwe-5.13/hwe-5.15 kernels, as
> well as Impish 5.13 and Jammy 5.15.
>
> [Where problems could occur]
>
> While the revision number represents the commits since the git root
> commit of backport-iwlwifi, this is going to back port more than a
> thousand commits for Focal (8324 -> 9580) and 240 ones for
> Impish/Jammy (9340 -> 9580), there can always be issue like we have
> here now or later for kernels of a more recent version. While this
> package is to enable people running legacy kernels to be able to enjoy
> their new toys, new hardware support and bug fixes shall be backported
> as long as needed to justify its name "backport-iwlwifi-dkms" here.
>
> == original bug report ==
>
> Since backport-iwlwifi version 9241[1], a new module iwlmei was
> introduced but not yet included in the dkms.conf installed. This fails
> the kernel module loading with:
>
> iwlwifi: Unknown symbol iwl_mei_is_connected (err -2)
>
> [1]: https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-
> iwlwifi.git/commit/?id=71e53a8aae592d02972522561eac899311ea9319
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/backport-iwlwifi-dkms/+bug/1962704/+subscriptions
>
--
Regards,
You-Sheng Yang
** Attachment added: "backport-iwlwifi-dkms_9580-0ubuntu1~20.04.1.debdiff"
https://bugs.launchpad.net/bugs/1962704/+attachment/5574259/+files/backport-iwlwifi-dkms_9580-0ubuntu1~20.04.1.debdiff
** Attachment added: "backport-iwlwifi-dkms_9580-0ubuntu1.debdiff"
https://bugs.launchpad.net/bugs/1962704/+attachment/5574260/+files/backport-iwlwifi-dkms_9580-0ubuntu1.debdiff
** Attachment added: "backport-iwlwifi-dkms_9580-0ubuntu1~21.10.1.debdiff"
https://bugs.launchpad.net/bugs/1962704/+attachment/5574261/+files/backport-iwlwifi-dkms_9580-0ubuntu1~21.10.1.debdiff
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https://bugs.launchpad.net/bugs/1962704
Title:
iwlwifi: Unknown symbol iwl_mei_is_connected
To manage notifications about this bug go to:
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