From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Logan Gunthorpe <logang@deltatee.com>
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: Tue, 13 Jun 2017 06:18:42 +0200 [thread overview]
Message-ID: <20170613041842.GA13308@kroah.com> (raw)
In-Reply-To: <61e11e67-6c1b-ef1e-5fb8-a7c9efb17666@deltatee.com>
On Mon, Jun 12, 2017 at 05:34:59PM -0600, Logan Gunthorpe wrote:
> 1) The test we are looking at is overrunning the dynamic char dev major
> numbers by a lot. On a successful run, it gets down to 216 where the
> limit is 234. Thus, there are 18 too many major numbers assigned and the
> fact that this test used to work is really just luck. (I've cc'd
> developers from 49db08c3 for this issue.)
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?
thanks,
gre gk-h
next prev parent reply other threads:[~2017-06-13 4:18 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 [this message]
2017-06-13 4:29 ` Logan Gunthorpe
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
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