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Date: Wed, 20 May 2026 11:02:12 +0200
From: Lukas Wunner <lukas@wunner.de>
To: "Yury M." <yurypm@arista.com>
Cc: bhelgaas@google.com, mahesh@linux.ibm.com, oohall@gmail.com,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] PCI/AER: Clear non-fatal errors on AER recovery failure
Message-ID: <ag14lCLsYhyssY2v@wunner.de>
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 <agwzHzF3bpPM6jcC@wunner.de>
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On Tue, May 19, 2026 at 05:05:20PM +0100, Yury M. wrote:
> [ 476.224325] pci 0000:46:00.1: AER: can't recover (no error_detected callback)
> [ 476.224333] pci 0000:46:00.2: AER: can't recover (no error_detected callback)
> [ 476.224335] pci 0000:46:00.3: AER: can't recover (no error_detected callback)
> [ 476.224338] pci 0000:46:00.4: AER: can't recover (no error_detected callback)
> [ 476.224371] pcieport 0000:06:07.0: AER: device recovery failed

One more thing, recovery is failing here because those four devices
on bus 46 are unbound.  I've got two patches under development to
allow error recovery for unbound devices.  You may want to try those
and see if error recovery succeeds:

https://github.com/l1k/linux/commits/aer_unbound

Thanks,

Lukas