From: Lukas Wunner <lukas@wunner.de>
To: LeoLiu-oc <LeoLiu-oc@zhaoxin.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Mahesh J Salgaonkar <mahesh@linux.ibm.com>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>,
Oliver O'Halloran <oohall@gmail.com>,
linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, CobeChen@zhaoxin.com,
ErosZhang@zhaoxin.com, TonyWWang@zhaoxin.com
Subject: Re: [PATCH v2] PCI: dpc: Increase pciehp waiting time for DPC recovery
Date: Thu, 5 Feb 2026 09:54:15 +0100 [thread overview]
Message-ID: <aYRatwSvUG0yQkHd@wunner.de> (raw)
In-Reply-To: <20260204035542.53232-1-LeoLiu-oc@zhaoxin.com>
On Wed, Feb 04, 2026 at 11:55:42AM +0800, LeoLiu-oc wrote:
> For example, The execution of the ice_pci_err_detected() in the ice network
> card driver exceeded the maximum waiting time for DPC recovery, causing the
> pciehp_disable_slot() to be executed which is not needed. From the user's
> point of view, you will see that the ice network card may not be usable and
> could even cause more serious errors, such as a kernel panic. kernel panic
> is caused by a race between pciehp_disable_slot() and pcie_do_recovery().
> In practice, we would observe that the ice network card is in an
> unavailable state and a kernel panic.
Unfortunately v2 was submitted without answering all of the questions
and testing all of the things asked for during review:
https://lore.kernel.org/all/aYBoP-B2E9fp_4YZ@wunner.de/
next prev parent reply other threads:[~2026-02-05 8:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-04 3:55 [PATCH v2] PCI: dpc: Increase pciehp waiting time for DPC recovery LeoLiu-oc
2026-02-05 8:54 ` Lukas Wunner [this message]
2026-02-06 11:07 ` LeoLiu-oc
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=aYRatwSvUG0yQkHd@wunner.de \
--to=lukas@wunner.de \
--cc=CobeChen@zhaoxin.com \
--cc=ErosZhang@zhaoxin.com \
--cc=LeoLiu-oc@zhaoxin.com \
--cc=TonyWWang@zhaoxin.com \
--cc=bhelgaas@google.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mahesh@linux.ibm.com \
--cc=oohall@gmail.com \
--cc=przemyslaw.kitszel@intel.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.