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Date: Mon, 12 Jun 2017 22:29:20 -0600 From: Logan Gunthorpe <logang@...tatee.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Bjorn Helgaas <helgaas@...nel.org>, kernel test robot <fengguang.wu@...el.com>, Linus Torvalds <torvalds@...ux-foundation.org>, LKP <lkp@...org>, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-doc@...r.kernel.org, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>, wfg@...ux.intel.com, Alan Cox <alan@...ux.intel.com>, Arnd Bergmann <arnd@...db.de>, Linus Walleij <linus.walleij@...aro.org>, David Airlie <airlied@...ux.ie>, David Herrmann <dh.herrmann@...il.com>, Daniel Vetter <daniel.vetter@...ll.ch> Subject: Re: [Merge tag 'pci-v4.12-changes' of git] 857f864014: BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8 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
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