From: Jens Gecius <kernel@gecius.de>
To: ath11k@lists.infradead.org
Subject: Re: qca/hci issues with Bluetooth on Dell XPS 13/AX500 (9310)
Date: Tue, 22 Jun 2021 11:50:14 +0200 [thread overview]
Message-ID: <b6670ede-ffbb-02bc-0607-db267329585c@gecius.de> (raw)
In-Reply-To: <d078b4bb-0cd5-ee9f-5d5d-6a95b3fe2ed9@gecius.de>
Am 11.05.21 um 15:02 schrieb Jens Gecius:
> Dear all,
>
> there was an earlier (March 30 "issues with QCA6390 on Dell XPS 13")
> report of the same/similar problem (just realized today).
>
> As that reporter, I have a Dell XPS 13 dev edition/Ubuntu (working).
> My 9310 has the AX500 Killer Wifi. Wifi is working fine, but Bluetooth
> always gives me a crash (I blacklisted BT required modules to later
> trigger the oops myself or run without). The crash renders the
> suspend/resume capabilities inoperable, the hci_uart module is not
> removeable.
>
> I tried to get differences of the Dell supplied Ubuntu-OEM 5.6 kernel
> to current mainline, but my grey matter is unable to digest that
> information and supply helpful hints.
> /lib/firmware-files were the same on Ubuntu and Fedora (it recently
> got updated on my Fedora 34 - crash unchanged).
>
> Full dmesg output of module loading attached.
>
> Intentionally, I did a suspend-resume cycle first for your kind
> information and then loaded the BT modules. The crash also occurs if I
> load the hci_uart directly after system startup.
>
> That is unchanged since receiving the notebook in April, even with
> earlier firmware version. I am on the latest Fedora kernel, now
> 5.11.18-300.fc34.x86_64. BIOS is latest 2.2.0.
>
> The trace says, that qca_read_soc_version is causing the crash during
> qca_uart_setup in btqca. Is that correct?
>
Just to report back, that bluetooth works with 5.12.11 (.10 didn't). As
far as I can see, a change to net/bluetooth/hci_core.c was made. Not
sure, if this is the relevant change.
> And - maybe I'm on the wrong list here (BT / ath11k) anyway, please
> let me know if so. :-)
>
> If I can support, please let me know. Thank you very much.
>
> Best
> Jens
>
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prev parent reply other threads:[~2021-06-22 9:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-11 13:02 qca/hci issues with Bluetooth on Dell XPS 13/AX500 (9310) Jens Gecius
2021-06-22 9:50 ` Jens Gecius [this message]
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