From: Kalle Valo <kvalo@codeaurora.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Krause <thomaskrause@posteo.de>,
Bjorn Helgaas <helgaas@kernel.org>,
Govind Singh <govinds@codeaurora.org>,
linux-pci@vger.kernel.org, linux-wireless@vger.kernel.org,
Devin Bayer <dev@doubly.so>,
ath11k@lists.infradead.org, Christoph Hellwig <hch@lst.de>,
David Woodhouse <dwmw@amazon.co.uk>
Subject: Re: pci_alloc_irq_vectors fails ENOSPC for XPS 13 9310
Date: Thu, 05 Nov 2020 15:23:03 +0200 [thread overview]
Message-ID: <87wnz0hr9k.fsf@codeaurora.org> (raw)
In-Reply-To: <87mtzxkus5.fsf@nanos.tec.linutronix.de> (Thomas Gleixner's message of "Wed, 04 Nov 2020 16:26:34 +0100")
Thomas Gleixner <tglx@linutronix.de> writes:
> On Wed, Nov 04 2020 at 14:04, Thomas Krause wrote:
>> config) but CONFIG_INTEL_IOMMU_DEFAULT_ON needed to be set manually. I
>> hope this helps, if there is more I can do to debug it on my side I'm
>> happy to do so.
>
>> [ 0.050130] DMAR: [Firmware Bug]: Your BIOS is broken; DMAR reported at address 0!
>> BIOS vendor: Dell Inc.; Ver: 1.1.1; Product Version:
>
>> [ 0.103693] DMAR: Host address width 39
>> [ 0.103693] DMAR: DRHD base: 0x000000fed90000 flags: 0x0
>> [ 0.103697] DMAR: dmar0: reg_base_addr fed90000 ver 4:0 cap 1c0000c40660462 ecap 69e2ff0505e
>> [ 0.103698] DMAR: DRHD base: 0x000000fed84000 flags: 0x0
>> [ 0.103701] DMAR: dmar1: reg_base_addr fed84000 ver 1:0 cap d2008c40660462 ecap f050da
>> [ 0.103702] DMAR: DRHD base: 0x000000fed86000 flags: 0x0
>> [ 0.103706] DMAR: dmar2: reg_base_addr fed86000 ver 1:0 cap d2008c40660462 ecap f050da
>> [ 0.103707] DMAR: DRHD base: 0x00000000000000 flags: 0x1
>> [ 0.103707] DMAR: Parse DMAR table failure.
>
> which disables interrupt remapping and therefore the driver gets only
> one MSI which makes it unhappy.
>
> Not that I'm surprised, it's Dell.... Can you check whether they have a
> BIOS update for that box?
I was told that on Dell XPS 15 (with a working QCA6390 setup) there's a
separate "Virtualisation" setting in BIOS. See if you have that and try
enabling it.
--
https://patchwork.kernel.org/project/linux-wireless/list/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
next prev parent reply other threads:[~2020-11-05 13:23 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2849fd39-a7a6-8366-7c78-fc9fec4dffa4@posteo.de>
[not found] ` <87tuuqhc1i.fsf@codeaurora.org>
[not found] ` <1ce6f735-21ff-db7e-c8dc-d567761964aa@posteo.de>
2020-11-02 18:49 ` pci_alloc_irq_vectors fails ENOSPC for XPS 13 9310 Kalle Valo
2020-11-02 20:57 ` Bjorn Helgaas
2020-11-03 3:01 ` Carl Huang
2020-11-03 6:49 ` Kalle Valo
2020-11-03 16:08 ` Bjorn Helgaas
2020-11-03 21:08 ` Thomas Gleixner
2020-11-03 22:42 ` Thomas Gleixner
2020-11-09 18:44 ` Kalle Valo
[not found] ` <fa26ac8b-ed48-7ea3-c21b-b133532716b8@posteo.de>
2020-11-04 15:26 ` Thomas Gleixner
2020-11-05 13:23 ` Kalle Valo [this message]
2020-11-10 8:33 ` Kalle Valo
2020-11-11 8:53 ` Thomas Krause
2020-11-11 9:22 ` Kalle Valo
2020-11-11 19:10 ` Kalle Valo
2020-11-11 19:24 ` wi nk
2020-11-11 19:30 ` wi nk
2020-11-11 19:45 ` Kalle Valo
2020-11-11 20:12 ` wi nk
2020-11-11 21:35 ` Stefani Seibold
2020-11-11 22:02 ` Stefani Seibold
2020-11-12 0:24 ` wi nk
2020-11-12 1:10 ` wi nk
2020-11-12 1:11 ` wi nk
2020-11-12 2:31 ` wi nk
2020-11-12 6:29 ` Carl Huang
2020-11-12 7:05 ` Stefani Seibold
2020-11-12 7:15 ` Kalle Valo
2020-11-12 7:41 ` wi nk
2020-11-12 8:59 ` Kalle Valo
2020-11-12 15:44 ` wi nk
2020-11-13 9:52 ` wi nk
2020-11-15 13:30 ` Thomas Krause
2020-11-15 19:55 ` wi nk
2020-11-17 15:49 ` wi nk
2020-11-17 20:59 ` Thomas Gleixner
2020-11-18 10:22 ` wi nk
2020-11-11 9:39 ` Thomas Gleixner
2020-11-06 11:45 ` Devin Bayer
2020-11-09 18:48 ` Kalle Valo
2020-11-03 11:20 ` Devin Bayer
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