devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Logan Gunthorpe <logang@deltatee.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
	kernel test robot <fengguang.wu@intel.com>,
	Linus Torvalds <torvalds@linux-foundation.org>, LKP <lkp@01.org>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
	wfg@linux.intel.com, Alan Cox <alan@linux.intel.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Linus Walleij <linus.walleij@linaro.org>,
	David Airlie <airlied@linux.ie>,
	David Herrmann <dh.herrmann@gmail.com>,
	Daniel Vetter <daniel.vetter@ffwll.ch>
Subject: Re: [Merge tag 'pci-v4.12-changes' of git] 857f864014: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8
Date: Mon, 12 Jun 2017 22:29:20 -0600	[thread overview]
Message-ID: <f6322f70-7ca7-abf6-b947-4cbbfd598948@deltatee.com> (raw)
In-Reply-To: <20170613041842.GA13308@kroah.com>



On 12/06/17 10:18 PM, Greg Kroah-Hartman wrote:
> What test causes so many major numbers to be allocated?  Is this
> in-kernel test code?  Do you really have a system that requires so many
> different drivers that all want a dynamic char major?

This is a 0day kernel robot test. I'm not sure the motivations of its
design but it seems to be similar to an allyesconfig. So all/most
modules are compiled in and allocating their char device regions on boot
of a qemu instance.

Logan

  reply	other threads:[~2017-06-13  4:29 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-04 12:33 [Merge tag 'pci-v4.12-changes' of git] 857f864014: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8 kernel test robot
     [not found] ` <5933fe2d.V33ODGPU9noDVuyF%fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2017-06-06 17:55   ` Bjorn Helgaas
2017-06-06 19:02     ` Logan Gunthorpe
2017-06-12 20:08       ` Bjorn Helgaas
     [not found]         ` <20170612200852.GA28578-1RhO1Y9PlrlHTL0Zs8A6p5iNqAH0jzoTYJqu5kTmcBRl57MIdRCFDg@public.gmane.org>
2017-06-12 23:34           ` Logan Gunthorpe
2017-06-13  4:18             ` Greg Kroah-Hartman
2017-06-13  4:29               ` Logan Gunthorpe [this message]
2017-06-13  4:34                 ` Greg Kroah-Hartman
2017-06-13  4:35                   ` Greg Kroah-Hartman
2017-06-13 16:25                     ` Logan Gunthorpe
2017-06-13 16:35                       ` Greg Kroah-Hartman
2017-06-13 17:47                         ` Logan Gunthorpe
2017-06-14  5:00                           ` Greg Kroah-Hartman
2017-06-14  5:55                             ` Logan Gunthorpe
2017-06-13 19:13                         ` Sven-Haegar Koch
2017-06-14  5:01                           ` Greg Kroah-Hartman
2017-06-14  9:59                   ` Linus Walleij
2017-06-14 15:49                     ` Logan Gunthorpe
2017-06-13 11:48             ` Alan Cox
2017-06-13 16:16               ` Logan Gunthorpe

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=f6322f70-7ca7-abf6-b947-4cbbfd598948@deltatee.com \
    --to=logang@deltatee.com \
    --cc=airlied@linux.ie \
    --cc=alan@linux.intel.com \
    --cc=arnd@arndb.de \
    --cc=bhelgaas@google.com \
    --cc=daniel.vetter@ffwll.ch \
    --cc=devicetree@vger.kernel.org \
    --cc=dh.herrmann@gmail.com \
    --cc=fengguang.wu@intel.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=helgaas@kernel.org \
    --cc=linus.walleij@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=lkp@01.org \
    --cc=torvalds@linux-foundation.org \
    --cc=wfg@linux.intel.com \
    /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;
as well as URLs for NNTP newsgroup(s).