From: Daniel Wagner <dwagner@suse.de>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>, Keith Busch <kbusch@kernel.org>,
Sagi Grimberg <sagi@grimberg.me>,
Thomas Gleixner <tglx@linutronix.de>,
Christoph Hellwig <hch@lst.de>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
John Garry <john.g.garry@oracle.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Kashyap Desai <kashyap.desai@broadcom.com>,
Sumit Saxena <sumit.saxena@broadcom.com>,
Shivasharan S <shivasharan.srikanteshwara@broadcom.com>,
Chandrakanth patil <chandrakanth.patil@broadcom.com>,
Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>,
Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>,
Nilesh Javali <njavali@marvell.com>,
GR-QLogic-Storage-Upstream@marvell.com,
Jonathan Corbet <corbet@lwn.net>,
Frederic Weisbecker <frederic@kernel.org>,
Mel Gorman <mgorman@suse.de>, Hannes Reinecke <hare@suse.de>,
Sridhar Balaraman <sbalaraman@parallelwireless.com>,
"brookxu.cn" <brookxu.cn@gmail.com>,
Ming Lei <ming.lei@redhat.com>,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org,
virtualization@lists.linux.dev, megaraidlinux.pdl@broadcom.com,
mpi3mr-linuxdrv.pdl@broadcom.com,
MPT-FusionLinux.pdl@broadcom.com, storagedev@microchip.com,
linux-doc@vger.kernel.org
Subject: Re: [PATCH v3 00/15] honor isolcpus configuration
Date: Wed, 7 Aug 2024 14:25:39 +0200 [thread overview]
Message-ID: <f48a032f-e1e0-42fc-afc6-5aa5ccc3514d@flourine.local> (raw)
In-Reply-To: <CAJSP0QVod5DA2hdNFrpN+HZcfm6Bg11teRmt5d+MBTB1wH4vZg@mail.gmail.com>
On Tue, Aug 06, 2024 at 09:09:50AM GMT, Stefan Hajnoczi wrote:
> On Tue, 6 Aug 2024 at 08:10, Daniel Wagner <dwagner@suse.de> wrote:
> > The only stall I was able to trigger
> > reliable was with qemu's PCI emulation. It looks like when a CPU is
> > offlined, the PCI affinity is reprogrammed but qemu still routes IRQs to
> > an offline CPU instead to newly programmed destination CPU. All worked
> > fine on real hardware.
>
> Hi Daniel,
> Please file a QEMU bug report here (or just reply to this emails with
> details on how to reproduce the issue and I'll file the issue on your
> behalf):
> https://gitlab.com/qemu-project/qemu/-/issues
>
> We can also wait until your Linux patches have landed if that makes it
> easier to reproduce the bug.
Thanks for the offer. I tried simplify the setup and come up with
producer using qemu directly instead with libvirt. And now it works just
fine. I'll try to figure out what the magic argument...
prev parent reply other threads:[~2024-08-07 12:54 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-06 12:06 [PATCH v3 00/15] honor isolcpus configuration Daniel Wagner
2024-08-06 12:06 ` [PATCH v3 01/15] scsi: pm8001: do not overwrite PCI queue mapping Daniel Wagner
2024-08-06 13:24 ` Christoph Hellwig
2024-08-06 15:03 ` John Garry
2024-08-06 12:06 ` [PATCH v3 02/15] virito: add APIs for retrieving vq affinity Daniel Wagner
2024-08-06 13:25 ` Christoph Hellwig
2024-08-06 12:06 ` [PATCH v3 03/15] blk-mq: introduce blk_mq_dev_map_queues Daniel Wagner
2024-08-06 13:26 ` Christoph Hellwig
2024-08-07 12:49 ` Daniel Wagner
2024-08-12 9:05 ` Christoph Hellwig
2024-08-06 12:06 ` [PATCH v3 04/15] scsi: replace blk_mq_pci_map_queues with blk_mq_dev_map_queues Daniel Wagner
2024-08-12 9:06 ` Christoph Hellwig
2024-08-12 15:31 ` John Garry
2024-08-13 9:39 ` Daniel Wagner
2024-08-06 12:06 ` [PATCH v3 05/15] nvme: " Daniel Wagner
2024-08-12 9:06 ` Christoph Hellwig
2024-08-06 12:06 ` [PATCH v3 06/15] virtio: blk/scs: replace blk_mq_virtio_map_queues " Daniel Wagner
2024-08-12 9:07 ` Christoph Hellwig
2024-08-06 12:06 ` [PATCH v3 07/15] blk-mq: remove unused queue mapping helpers Daniel Wagner
2024-08-12 9:08 ` Christoph Hellwig
2024-08-13 9:41 ` Daniel Wagner
2024-08-06 12:06 ` [PATCH v3 08/15] sched/isolation: Add io_queue housekeeping option Daniel Wagner
2024-08-06 12:06 ` [PATCH v3 09/15] docs: add io_queue as isolcpus options Daniel Wagner
2024-08-06 12:06 ` [PATCH v3 10/15] blk-mq: add number of queue calc helper Daniel Wagner
2024-08-12 9:03 ` Christoph Hellwig
2024-08-06 12:06 ` [PATCH v3 11/15] nvme-pci: use block layer helpers to calculate num of queues Daniel Wagner
2024-08-12 9:04 ` Christoph Hellwig
2024-08-06 12:06 ` [PATCH v3 12/15] scsi: " Daniel Wagner
2024-08-12 9:09 ` Christoph Hellwig
2024-08-06 12:06 ` [PATCH v3 13/15] virtio: blk/scsi: " Daniel Wagner
2024-08-06 12:06 ` [PATCH v3 14/15] lib/group_cpus.c: honor housekeeping config when grouping CPUs Daniel Wagner
2024-08-06 14:47 ` Ming Lei
2024-08-12 9:09 ` Christoph Hellwig
2024-08-06 12:06 ` [PATCH v3 15/15] blk-mq: use hk cpus only when isolcpus=io_queue is enabled Daniel Wagner
2024-08-06 14:55 ` Ming Lei
2024-08-07 12:40 ` Daniel Wagner
2024-08-08 5:26 ` Ming Lei
2024-08-09 7:22 ` Daniel Wagner
2024-08-09 14:53 ` Ming Lei
2024-08-13 12:17 ` Daniel Wagner
2024-08-09 15:23 ` Ming Lei
2024-08-13 12:53 ` Daniel Wagner
2024-08-13 12:56 ` Ming Lei
2024-08-13 13:11 ` Daniel Wagner
2024-08-06 13:09 ` [PATCH v3 00/15] honor isolcpus configuration Stefan Hajnoczi
2024-08-07 12:25 ` Daniel Wagner [this message]
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