From: Lukas Wunner <lukas@wunner.de>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: "Chia-Lin Kao (AceLan)" <acelan.kao@canonical.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] PCI: pciehp: Fix system hang during resume with daisy-chained hotplug controllers
Date: Thu, 6 Mar 2025 17:48:13 +0100 [thread overview]
Message-ID: <Z8nRzYOgTz86xRwN@wunner.de> (raw)
In-Reply-To: <20250305230959.GA318387@bhelgaas>
On Wed, Mar 05, 2025 at 05:09:59PM -0600, Bjorn Helgaas wrote:
> On Tue, Oct 22, 2024 at 09:02:43PM +0800, Chia-Lin Kao (AceLan) wrote:
> > A system hang occurs when multiple PCIe hotplug controllers in a daisy-chained
> > setup (like a Thunderbolt dock with NVMe storage) resume from system sleep.
Thanks Bjorn for reminding me of AceLan's report.
This appears to be the same issue Mika and Kenneth reported,
a fix is currently being worked on in this thread:
https://lore.kernel.org/all/Z8nRI6xjGl3frMe5@wunner.de/
prev parent reply other threads:[~2025-03-06 16:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-22 13:02 [PATCH v2] PCI: pciehp: Fix system hang during resume with daisy-chained hotplug controllers Chia-Lin Kao (AceLan)
2025-03-05 23:09 ` Bjorn Helgaas
2025-03-06 16:48 ` Lukas Wunner [this message]
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