linux-kernel - Re: mhi resume failure on reboot with 6.13-rc2

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Message-ID: <Z2KMZiUYc_YYBcLS@hovoldconsulting.com>
Date: Wed, 18 Dec 2024 09:48:38 +0100
From: Johan Hovold <johan@...nel.org>
To: Loic Poulain <loic.poulain@...aro.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: mhi resume failure on reboot with 6.13-rc2

On Tue, Dec 17, 2024 at 10:57:39AM +0100, Johan Hovold wrote:

> I've now hit this four times. And only since rc2. So I guess that's
> something like four times in a hundred reboots or so.
> 
> I added some printks to the pci_generic driver this morning and have
> been running a boot loop for one hundred iterations without hitting the
> issue even once, however. Perhaps the printks alters the timing enough
> to avoid the fw crash or race.

The printks were not preventing the bug bug from triggering, but I've
only hit this after the machine have been up for a few minutes (i.e. the
delay before rebooting in my boot loop may have been too short).

Johan