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#1 2021-01-03 22:27:08

gwenlune
Member
Registered: 2012-03-02
Posts: 1

DELL XPS 9500 (I9 version) Wifi (ath11k) KO

Hello,

I was waiting for Kernel 5.10.4 with ath11k module included with impatience to make wifi working in my DELL XPS 9500 (I9 version)... But it doesn't work...

For 2 months, I was waiting for the kernel version and the inclusion of ath11k module... I saw that on these articles :
https://medium.com/@tomas.heiskanen/del … f1c218e78a
https://askubuntu.com/questions/1280328 … rs-support

And this module is en 5.10.4 : https://lwn.net/Articles/841473/

Can anybody help me ?

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#2 2021-01-06 03:09:14

magare
Member
Registered: 2021-01-06
Posts: 6

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

Same with me. I have xps 9700 and atheros keller AX500-DBS. It worked for a while with kernel 5.10.1 and then it stopped again.
The kernel module ath11k_pci fails to load:

[ 5240.828931] ath11k_pci 0000:05:00.0: WARNING: ath11k PCI support is experimental!
[ 5240.829003] ath11k_pci 0000:05:00.0: BAR 0: assigned [mem 0xd2100000-0xd21fffff 64bit]
[ 5240.829067] ath11k_pci 0000:05:00.0: failed to get 32 MSI vectors, only -28 available
[ 5240.829068] ath11k_pci 0000:05:00.0: failed to enable msi: -28
[ 5240.829080] ath11k_pci: probe of 0000:05:00.0 failed with error -28

I have also logged a bug a few days ago but but the holiday period would slow things down.
https://bugzilla.kernel.org/show_bug.cgi?id=210923

Also found this. Not sure if it is the same thing.
https://bugs.archlinux.org/task/69223

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#3 2021-01-06 04:26:08

loqs
Member
Registered: 2014-03-06
Posts: 12,556

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

magare please try applying the patch from https://lore.kernel.org/ath11k/16051211 … urora.org/

Last edited by loqs (2021-01-06 06:09:06)

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#4 2021-01-06 05:37:42

magare
Member
Registered: 2021-01-06
Posts: 6

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

loqs, is it related to this patch ?

https://github.com/0day-ci/linux/commit … 21a4875e18

I would rather wait to get into the upstream and included in the next kernel rather than re-compiling the kernel every time there is a new kernel release.

Thanks.

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#5 2021-01-06 06:02:39

loqs
Member
Registered: 2014-03-06
Posts: 12,556

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

Yes same patch.  Sorry about that I linked to a response to the patch instead of the patch,  fixed the link now.
If you test it and does not work for you,  then you could report that rather than wait for the patch to be merged into 5.11 or 5.12 then back-ported only then to find it does not work for you.
You could also bisect backwards and find which commit caused the breakage.

Last edited by loqs (2021-01-06 06:10:23)

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#6 2021-01-06 10:31:49

archcactus
Member
Registered: 2021-01-06
Posts: 2

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

I also have problems with my XPS 9500 (i9) and the ath11k_pci driver. It sort of works (but with a slow connection) when I plug in a wifi dongle and then reboot; I can then remove the dongle and my QCA6390 works. Then it stops working after a suspend, and dmesg shows:
[51400.378622] ath11k_pci 0000:6c:00.0: wmi command 16387 timeout
[51400.378625] ath11k_pci 0000:6c:00.0: failed to send WMI_PDEV_SET_PARAM cmd
[51400.378627] ath11k_pci 0000:6c:00.0: failed to enable PMF QOS: (-11
[...]
[174682.606130] ath11k_pci 0000:6c:00.0: failed to send WMI_PDEV_SET_PARAM cmd
[174682.606136] ath11k_pci 0000:6c:00.0: failed to enable PMF QOS: (-108

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#7 2021-01-06 10:37:20

magare
Member
Registered: 2021-01-06
Posts: 6

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

loqs wrote:

Yes same patch.  Sorry about that I linked to a response to the patch instead of the patch,  fixed the link now.
If you test it and does not work for you,  then you could report that rather than wait for the patch to be merged into 5.11 or 5.12 then back-ported only then to find it does not work for you.
You could also bisect backwards and find which commit caused the breakage.

Yep. Make sense. I will apply the patch and see if it works for me ..

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#8 2021-01-09 10:23:37

magare
Member
Registered: 2021-01-06
Posts: 6

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

Applying the patch did not fix the issue :-(

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#9 2021-01-10 11:11:48

naraesk
Member
Registered: 2016-10-11
Posts: 24

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

Same problem here. Thanks for testing! My workaround is to stay on 5.10.2 for now, which works most of the time.

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#10 2021-01-11 02:30:58

magare
Member
Registered: 2021-01-06
Posts: 6

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

That is not a solution though. The developers are too busy and nobody even looked at the bug I logged.
Unfortunately I don't believe this issue will be fixed in the next release 5.11.

Not sure what to do.
I love the laptop but I don't want to run Windows on it, so I will try to return it to DEL and get another one with a different WiFi card.

What a shame. Dell would normally support Linux but not this time .:-(

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#11 2021-01-11 14:10:09

archcactus
Member
Registered: 2021-01-06
Posts: 2

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

It works really fine on my XPS 9500 after a fresh boot. It only breaks after resuming from suspend, which is a shame but I hope it will get sorted soon.

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#12 2021-01-11 18:24:19

naraesk
Member
Registered: 2016-10-11
Posts: 24

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

magare wrote:

That is not a solution though. The developers are too busy and nobody even looked at the bug I logged.
Unfortunately I don't believe this issue will be fixed in the next release 5.11.

Not sure what to do.

ath11k is very new and 5.10 was the first kernel version that supports it. Therefore it is not surprising that the implementation is still buggy. I am very confident that the problems will be fixed in the next versions and it will work reliably in a few weeks or - bad case - months. It's annoying, but until then I can live with the old kernel version. I have a Dell XPS 9500 with i9 as well and I will definitely not return it.

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#13 2021-01-12 00:08:37

magare
Member
Registered: 2021-01-06
Posts: 6

Re: DELL XPS 9500 (I9 version) Wifi (ath11k) KO

Yes. I agree ath11k is still quite new and it will take some time to mature.I have been trying to make it work since November 2020 but I guess I need to be more patient.
Probably it will mature in kernel 5.12 for sure.

Beautiful laptop and I paid megabucks for it. Will keep it.

I will have to stick to Windowze meanwhile unfortunately.

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