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From: "™֟☻̭҇ Ѽ ҉ ®" <vtolkm@googlemail.com>
To: "Pali Rohár" <pali@kernel.org>, "Bjorn Helgaas" <helgaas@kernel.org>
Cc: "Toke Høiland-Jørgensen" <toke@redhat.com>,
	linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	"Rob Herring" <robh@kernel.org>,
	"Ilias Apalodimas" <ilias.apalodimas@linaro.org>,
	"Marek Behún" <marek.behun@nic.cz>,
	"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	"Jason Cooper" <jason@lakedaemon.net>
Subject: Re: PCI trouble on mvebu (Turris Omnia)
Date: Thu, 29 Oct 2020 10:56:00 +0000	[thread overview]
Message-ID: <84536849-2a4b-90bf-7772-472bf4e6dca1@gmail.com> (raw)
In-Reply-To: <20201029100914.2e5x7lkbvks2gu4a@pali>

On 29/10/2020 11:09, Pali Rohár wrote:
> Hello!
>
> On Wednesday 28 October 2020 18:16:26 Bjorn Helgaas wrote:
>> [+cc Pali, Marek, Thomas, Jason]
>>
>> On Wed, Oct 28, 2020 at 04:40:00PM +0000, ™֟☻̭҇ Ѽ ҉ ® wrote:
>>> On 28/10/2020 16:08, Toke Høiland-Jørgensen wrote:
>>>> Bjorn Helgaas <helgaas@kernel.org> writes:
>>>>> On Wed, Oct 28, 2020 at 02:36:13PM +0100, Toke Høiland-Jørgensen wrote:
>>>>>> Toke Høiland-Jørgensen <toke@redhat.com> writes:
>>>>>>> Bjorn Helgaas <helgaas@kernel.org> writes:
>>>>>>>
>>>>>>>> [+cc vtolkm]
>>>>>>>>
>>>>>>>> On Tue, Oct 27, 2020 at 04:43:20PM +0100, Toke Høiland-Jørgensen wrote:
>>>>>>>>> Hi everyone
>>>>>>>>>
>>>>>>>>> I'm trying to get a mainline kernel to run on my Turris Omnia, and am
>>>>>>>>> having some trouble getting the PCI bus to work correctly. Specifically,
>>>>>>>>> I'm running a 5.10-rc1 kernel (torvalds/master as of this moment), with
>>>>>>>>> the resource request fix[0] applied on top.
>>>>>>>>>
>>>>>>>>> The kernel boots fine, and the patch in [0] makes the PCI devices show
>>>>>>>>> up. But I'm still getting initialisation errors like these:
>>>>>>>>>
>>>>>>>>> [    1.632709] pci 0000:01:00.0: BAR 0: error updating (0xe0000004 != 0xffffffff)
>>>>>>>>> [    1.632714] pci 0000:01:00.0: BAR 0: error updating (high 0x000000 != 0xffffffff)
>>>>>>>>> [    1.632745] pci 0000:02:00.0: BAR 0: error updating (0xe0200004 != 0xffffffff)
>>>>>>>>> [    1.632750] pci 0000:02:00.0: BAR 0: error updating (high 0x000000 != 0xffffffff)
>>>>>>>>>
>>>>>>>>> and the WiFi drivers fail to initialise with what appears to me to be
>>>>>>>>> errors related to the bus rather than to the drivers themselves:
>>>>>>>>>
>>>>>>>>> [    3.509878] ath: phy0: Mac Chip Rev 0xfffc0.f is not supported by this driver
>>>>>>>>> [    3.517049] ath: phy0: Unable to initialize hardware; initialization status: -95
>>>>>>>>> [    3.524473] ath9k 0000:01:00.0: Failed to initialize device
>>>>>>>>> [    3.530081] ath9k: probe of 0000:01:00.0 failed with error -95
>>>>>>>>> [    3.536012] ath10k_pci 0000:02:00.0: of_irq_parse_pci: failed with rc=134
>>>>>>>>> [    3.543049] pci 0000:00:02.0: enabling device (0140 -> 0142)
>>>>>>>>> [    3.548735] ath10k_pci 0000:02:00.0: can't change power state from D3hot to D0 (config space inaccessible)
>>>>>>>>> [    3.588592] ath10k_pci 0000:02:00.0: failed to wake up device : -110
>>>>>>>>> [    3.595098] ath10k_pci: probe of 0000:02:00.0 failed with error -110
>>>>>>>>>
>>>>>>>>> lspci looks OK, though:
>>>>>>>>>
>>>>>>>>> # lspci
>>>>>>>>> 00:01.0 PCI bridge: Marvell Technology Group Ltd. Device 6820 (rev 04)
>>>>>>>>> 00:02.0 PCI bridge: Marvell Technology Group Ltd. Device 6820 (rev 04)
>>>>>>>>> 00:03.0 PCI bridge: Marvell Technology Group Ltd. Device 6820 (rev 04)
>>>>>>>>> 01:00.0 Network controller: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) (rev 01)
>>>>>>>>> 02:00.0 Network controller: Qualcomm Atheros QCA986x/988x 802.11ac Wireless Network Adapter (rev ff)
>>>>>>>>>
>>>>>>>>> Does anyone have any clue what could be going on here? Is this a bug, or
>>>>>>>>> did I miss something in my config or other initialisation? I've tried
>>>>>>>>> with both the stock u-boot distributed with the board, and with an
>>>>>>>>> upstream u-boot from latest master; doesn't seem to make any different.
>>>>>>>> Can you try turning off CONFIG_PCIEASPM?  We had a similar recent
>>>>>>>> report at https://bugzilla.kernel.org/show_bug.cgi?id=209833 but I
>>>>>>>> don't think we have a fix yet.
>>>>>>> Yes! Turning that off does indeed help! Thanks a bunch :)
> I have been testing mainline kernel on Turris Omnia with two PCIe
> default cards (WLE200 and WLE900) and it worked fine. But I do not know
> if I had ASPM enabled or not.
>
> So it is working fine for you when CONFIG_PCIEASPM is disabled and whole
> issue is only when CONFIG_PCIEASPM is enabled?

Yes, that is the gist of it.


  reply	other threads:[~2020-10-29 10:56 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-27 15:43 Toke Høiland-Jørgensen
2020-10-27 17:20 ` Bjorn Helgaas
2020-10-27 17:44   ` ™֟☻̭҇ Ѽ ҉ ®
2020-10-27 18:59     ` Toke Høiland-Jørgensen
2020-10-27 20:20       ` Toke Høiland-Jørgensen
2020-10-27 21:22         ` ™֟☻̭҇ Ѽ ҉ ®
2020-10-27 21:31           ` Toke Høiland-Jørgensen
2020-10-27 22:01             ` ™֟☻̭҇ Ѽ ҉ ®
2020-10-27 22:12               ` Toke Høiland-Jørgensen
2020-10-27 18:56   ` Toke Høiland-Jørgensen
2020-10-28 13:36     ` Toke Høiland-Jørgensen
2020-10-28 14:42       ` Bjorn Helgaas
2020-10-28 15:08         ` Toke Høiland-Jørgensen
2020-10-28 16:40           ` ™֟☻̭҇ Ѽ ҉ ®
2020-10-28 23:16             ` Bjorn Helgaas
2020-10-29 10:09               ` Pali Rohár
2020-10-29 10:56                 ` ™֟☻̭҇ Ѽ ҉ ® [this message]
2020-10-29 11:12                 ` Toke Høiland-Jørgensen
2020-10-29 19:30                   ` Bjorn Helgaas
2020-10-29 19:56                     ` ™֟☻̭҇ Ѽ ҉ ®
2020-10-29 19:57                     ` Andrew Lunn
2020-10-29 21:55                       ` Thomas Petazzoni
2020-10-29 20:18                     ` Toke Høiland-Jørgensen
2020-10-29 22:09                       ` Toke Høiland-Jørgensen
2020-10-29 20:58                     ` Marek Behun
2020-10-30 10:08                       ` Pali Rohár
2020-10-30 10:45                         ` Marek Behun
2020-10-29 21:54                     ` Thomas Petazzoni
2020-10-29 23:15                       ` Toke Høiland-Jørgensen
2020-10-30  8:23                         ` Thomas Petazzoni
2020-10-30 10:15                         ` Pali Rohár
2020-10-29 10:41               ` Toke Høiland-Jørgensen
2020-10-29 11:18                 ` ™֟☻̭҇ Ѽ ҉ ®
2020-10-30 11:23               ` Pali Rohár
2020-10-30 13:02                 ` Toke Høiland-Jørgensen
2020-10-30 14:23                   ` Pali Rohár
2020-10-30 14:54                     ` ™֟☻̭҇ Ѽ ҉ ®
2020-10-31 12:49                       ` Toke Høiland-Jørgensen
2020-11-02 15:24                         ` Pali Rohár
2020-11-02 15:54                           ` Toke Høiland-Jørgensen
2020-11-02 16:18                             ` ™֟☻̭҇ Ѽ ҉ ®
2020-11-02 16:33                               ` Toke Høiland-Jørgensen
2021-03-15 19:58                             ` Pali Rohár
2021-03-16  9:25                               ` Pali Rohár
2021-03-18 22:43                                 ` Toke Høiland-Jørgensen
2021-03-18 23:16                                   ` Pali Rohár
2021-03-26 12:50                                     ` Pali Rohár
2021-03-26 15:25                                       ` Toke Høiland-Jørgensen
2021-03-26 15:34                                         ` Pali Rohár
2021-03-26 16:54                                           ` Toke Høiland-Jørgensen
2021-03-26 17:11                                             ` Pali Rohár
2021-03-26 17:51                                               ` Toke Høiland-Jørgensen
2021-03-29 17:09                                                 ` Pali Rohár
2021-03-31 14:02                                                   ` Toke Høiland-Jørgensen
2021-03-31 16:15                                                     ` Pali Rohár
2021-03-31 16:53                                                       ` Toke Høiland-Jørgensen
2020-10-29  1:21             ` Marek Behun
2020-10-29 15:12           ` Rob Herring
2020-10-27 18:03 ` Marek Behun
2020-10-27 19:00   ` Toke Høiland-Jørgensen
2020-10-27 20:19     ` Marek Behun
2020-10-27 20:49       ` Toke Høiland-Jørgensen

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