linux-kernel - Re: [PATCH v2 2/4] PCI/MSI: Add startup/shutdown for per device domains

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Message-ID: <91a9db15-8e3c-4b49-a34f-61e043040de9@sirena.org.uk>
Date: Wed, 27 Aug 2025 11:33:29 +0100
From: Mark Brown <broonie@...nel.org>
To: Nathan Chancellor <nathan@...nel.org>
Cc: Anders Roxell <anders.roxell@...aro.org>,
	Inochi Amaoto <inochiama@...il.com>, regressions@...ts.linux.dev,
	linux-next@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>, Marc Zyngier <maz@...nel.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Shradha Gupta <shradhagupta@...ux.microsoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Jonathan Cameron <Jonathan.Cameron@...ei.com>,
	Juergen Gross <jgross@...e.com>, Nicolin Chen <nicolinc@...dia.com>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Chen Wang <unicorn_wang@...look.com>, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org, Yixun Lan <dlan@...too.org>,
	Longbin Li <looong.bin@...il.com>, arnd@...db.de,
	dan.carpenter@...aro.org, naresh.kamboju@...aro.org,
	benjamin.copeland@...aro.org
Subject: Re: [PATCH v2 2/4] PCI/MSI: Add startup/shutdown for per device
 domains

On Tue, Aug 26, 2025 at 03:09:59PM -0700, Nathan Chancellor wrote:
> On Tue, Aug 26, 2025 at 09:45:48PM +0200, Anders Roxell wrote:

> > <5>[    1.527859] virtio_blk virtio0: [vda] 5397504 512-byte logical
> > blocks (2.76 GB/2.57 GiB)
> > <4>[   29.761219] sched: DL replenish lagged too much
> > [here it hangs]

> FWIW, I am also seeing this on real arm64 hardware (an LX2160A board and
> an Ampere Altra one) but with my NVMe drives failing to be recognized.
> In somewhat ironic fashion, I am seeing the message from cover letter
> repeating.

>   nvme nvme0: I/O tag 8 (1008) QID 0 timeout, completion polled
>   [  125.810062] dracut-initqueue[640]: Timed out while waiting for udev queue to empty.
>   nvme nvme0: I/O tag 9 (1009) QID 0 timeout, completion polled

> I am happy to test patches or provide information.

Same here, it's breaking at least Orion O6.

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