From: Mario Limonciello <superm1@kernel.org>
To: Lukas Wunner <lukas@wunner.de>, Denis Benato <benato.denis96@gmail.com>
Cc: Raag Jadav <raag.jadav@intel.com>,
rafael@kernel.org, mahesh@linux.ibm.com, oohall@gmail.com,
bhelgaas@google.com, linux-pci@vger.kernel.org,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
ilpo.jarvinen@linux.intel.com,
aravind.iddamsetty@linux.intel.com
Subject: Re: [PATCH v4] PCI: Prevent power state transition of erroneous device
Date: Wed, 21 May 2025 12:06:21 -0500 [thread overview]
Message-ID: <6bddf9bb-0c57-4823-bef1-e5bdf16ef5f7@kernel.org> (raw)
In-Reply-To: <aC3XiuOPVYB2EX18@wunner.de>
On 5/21/25 08:39, Lukas Wunner wrote:
> On Tue, May 20, 2025 at 07:22:04PM +0200, Denis Benato wrote:
>> This is the very same exact kernel, minus the patch in question:
>> https://pastebin.com/rwMYgG7C
>>
>> Both previous kernel and this one have CONFIG_PCI_DEBUG=y.
>
> This log excerpt shows that the ASMedia Thunderbolt controller
> below the Intel Thunderbolt controller couldn't be enumerated
> on boot:
>
> mag 20 18:42:20 denis-pc kernel: pci 0000:03:01.0: broken device, retraining non-functional downstream link at 2.5GT/s
> mag 20 18:42:20 denis-pc kernel: pci 0000:03:01.0: retraining failed
>
> However, the Thunderbolt tunnel goes up and the devices are
> enumerated 24 seconds later:
>
> mag 20 18:42:44 denis-pc kernel: pcieport 0000:03:01.0: pciehp: Slot(1-1): Card present
> mag 20 18:42:44 denis-pc kernel: pcieport 0000:03:01.0: pciehp: Slot(1-1): Link Up
>
> Thanks,
>
> Lukas
Are you suggesting that the training failure is why there was an error?
If so maybe that should be cleared when it does eventually train.
next prev parent reply other threads:[~2025-05-21 17:06 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-19 10:28 Raag Jadav
2025-05-19 10:41 ` Raag Jadav
2025-05-19 21:42 ` Denis Benato
2025-05-20 9:48 ` Raag Jadav
2025-05-20 15:23 ` Mario Limonciello
2025-05-20 15:47 ` Raag Jadav
2025-05-20 15:49 ` Mario Limonciello
2025-05-20 17:22 ` Denis Benato
2025-05-20 17:39 ` Mario Limonciello
2025-05-20 18:42 ` Raag Jadav
2025-05-20 18:56 ` Mario Limonciello
2025-05-21 8:54 ` Raag Jadav
2025-05-21 11:27 ` Rafael J. Wysocki
2025-05-23 15:23 ` Rafael J. Wysocki
2025-05-30 17:23 ` Raag Jadav
2025-05-30 17:49 ` Rafael J. Wysocki
2025-06-04 15:42 ` Raag Jadav
2025-06-04 18:19 ` Rafael J. Wysocki
2025-06-05 11:44 ` Raag Jadav
2025-06-05 12:26 ` Rafael J. Wysocki
2025-06-10 13:44 ` Raag Jadav
2025-06-10 13:53 ` Rafael J. Wysocki
2025-06-20 12:14 ` Raag Jadav
2025-05-21 13:39 ` Lukas Wunner
2025-05-21 17:06 ` Mario Limonciello [this message]
2025-05-21 20:28 ` Denis Benato
2025-05-22 7:31 ` Lukas Wunner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=6bddf9bb-0c57-4823-bef1-e5bdf16ef5f7@kernel.org \
--to=superm1@kernel.org \
--cc=aravind.iddamsetty@linux.intel.com \
--cc=benato.denis96@gmail.com \
--cc=bhelgaas@google.com \
--cc=ilpo.jarvinen@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=lukas@wunner.de \
--cc=mahesh@linux.ibm.com \
--cc=oohall@gmail.com \
--cc=raag.jadav@intel.com \
--cc=rafael@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®