Linux PCI subsystem development
 help / color / mirror / Atom feed
From: Jason Gunthorpe <jgg@ziepe.ca>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	Alex Williamson <alex.williamson@redhat.com>,
	Leon Romanovsky <leon@kernel.org>
Subject: Re: Write to srvio_numvfs triggers kernel panic
Date: Fri, 6 May 2022 22:34:36 -0300	[thread overview]
Message-ID: <20220507013436.GB63055@ziepe.ca> (raw)
In-Reply-To: <20220506201722.GA555374@bhelgaas>

On Fri, May 06, 2022 at 03:17:22PM -0500, Bjorn Helgaas wrote:

> > Modules linked in: xt_MASQUERADE iptable_nat nf_nat nf_conntrack nf_defrag_ipv6
> > nf_defrag_ipv4 libcrc32c iptable_filter crct10dif_ce nvme nvme_core at24
> > pci_endpoint_test bridge pdrv_genirq ip_tables x_tables ipv6
> >  CPU: 3 PID: 287 Comm: sh Not tainted 5.10.41-lorc+ #233
> >  Hardware name: XENVM-4.17 (DT)
                ^^^^^^^^^^^^^^^^^

> So this means the VF must have an SR-IOV capability, which sounds a
> little dubious.  From PCIe r6.0:

Enabling SRIOV from within a VM is "exciting" - I would not be
surprised if there was some wonky bugs here.

Jsaon

  reply	other threads:[~2022-05-07  1:34 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-04 19:56 Write to srvio_numvfs triggers kernel panic Volodymyr Babchuk
2022-05-06 20:17 ` Bjorn Helgaas
2022-05-07  1:34   ` Jason Gunthorpe [this message]
2022-05-07 10:25     ` Volodymyr Babchuk
2022-05-08 11:19       ` Leon Romanovsky
2022-05-09 18:22         ` Keith Busch
2022-05-07 10:22   ` Volodymyr Babchuk
2022-05-07 15:41     ` Bjorn Helgaas
2022-05-08 11:07       ` Volodymyr Babchuk
2022-05-09 16:49         ` Bjorn Helgaas
2022-05-09 16:58           ` Alex Williamson
2022-05-10  6:39             ` Christoph Hellwig
2022-05-10 17:37               ` Bjorn Helgaas
2022-05-12  7:18                 ` Volodymyr Babchuk

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220507013436.GB63055@ziepe.ca \
    --to=jgg@ziepe.ca \
    --cc=Volodymyr_Babchuk@epam.com \
    --cc=alex.williamson@redhat.com \
    --cc=helgaas@kernel.org \
    --cc=leon@kernel.org \
    --cc=linux-pci@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox