linux-kernel - Re: [Regression] [PCI/ASPM] [ASUS PN51] Reboot on resume attempt (bisect done; commit found)

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Date: Mon, 1 Jan 2024 16:15:54 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Michael Schaller <michael@...aller.de>
Cc: bhelgaas@...gle.com, kai.heng.feng@...onical.com,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	regressions@...ts.linux.dev, macro@...am.me.uk,
	ajayagarwal@...gle.com, sathyanarayanan.kuppuswamy@...ux.intel.com,
	gregkh@...uxfoundation.org, hkallweit1@...il.com,
	michael.a.bottini@...ux.intel.com, johan+linaro@...nel.org
Subject: Re: [Regression] [PCI/ASPM] [ASUS PN51] Reboot on resume attempt
 (bisect done; commit found)

On Mon, Jan 01, 2024 at 07:57:40PM +0100, Michael Schaller wrote:
> On 01.01.24 19:13, Bjorn Helgaas wrote:
> > On Mon, Dec 25, 2023 at 07:29:02PM +0100, Michael Schaller wrote:
> > ...

> > So unless somebody has a counter-argument, I plan to queue a revert of
> > 08d0cc5f3426 ("PCI/ASPM: Remove pcie_aspm_pm_state_change()") for
> > v6.7.
> 
> If it helps I could also try if a partial revert of 08d0cc5f3426 would be
> sufficient. This might also narrow down the issue and give more insight
> where the issue originates from.

We're so close to the v6.7 final release that I doubt we can figure
out the problem and test a fix before v6.7.  I'm sure Kai-Heng would
appreciate any additional data, but I don't think it's urgent at this
point.

Bjorn