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SubjectRe: Intel Wireless 7260 failed to work
Date
Luca Coelho <luca@coelho.fi> writes:

> On Wed, 2016-12-28 at 11:59 +0800, Peter Xu wrote:
>> On Tue, Dec 27, 2016 at 09:46:55PM +0200, Kalle Valo wrote:
>> > Peter Xu <peterx@redhat.com> writes:
>> >
>> > > Looks like latest Linux master (4.10-rc1, 7ce7d89f) cannot work well
>> > > with my wireless card, which is:
>> > >
>> > > Intel Corporation Wireless 7260 (rev bb)
>> > >
>> > > Boot message shows that no suitable firmware found:
>> > >
>> > > # journalctl -kp3
>> > > Dec 27 16:38:00 kernel: Error parsing PCC subspaces from PCCT
>> > > Dec 27 16:38:00 kernel: mmc0: Unknown controller version (3). You may experience problems.
>> > > Dec 27 16:38:02 kernel: DMAR: DRHD: handling fault status reg 2
>> > > Dec 27 16:38:02 kernel: DMAR: [DMA Write] Request device [00:02.0] fault addr 7200000000 [fault reason 05] PTE Write a
>> > > Dec 27 16:38:03 kernel: tpm tpm0: A TPM error (6) occurred attempting to read a pcr value
>> > > Dec 27 16:38:04 kernel: iwlwifi 0000:03:00.0: no suitable firmware found!
>> > >
>> > > Linux stable/master (Linux 4.8-rc8, 08895a8b6b) works for me. And no
>> > > further tests have been done yet.
>> > >
>> > > Is this a known issue? Please let me know if anyone wants more info or
>> > > logs, since this error triggers easily (everytime I boot).
>> >
>> > The error message isn't really telling much to the user (hint hint) but
>> > I suspect this is by design:
>> >
>> > "iwlwifi: remove support for fw older than -17 and -22
>
> Right, we only maintain support for a certain number of firmware
> versions. The FW APIs change with time and we don't want to keep all
> legacy code supporting old firmwares in the driver forever.
>
> I agree that "no suitable firmware found!" is a bit scarce. I'll see
> if we can improve that with something: "no suitable firmware found! You
> need iwlwifi-7260-17.ucode (<link to git>)".

Yeah, something like that would be much more helpful for the user.

--
Kalle Valo

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