From mboxrd@z Thu Jan 1 00:00:00 1970 From: paweljarosz3691@gmail.com (=?UTF-8?Q?Pawe=c5=82_Jarosz?=) Date: Mon, 10 Oct 2016 11:11:09 +0200 Subject: [PATCH] ARM: dts: rockchip: Reserve unusable memory region on rk3066 In-Reply-To: <67831fd0-76af-a793-0b2f-958e45633fe8@rock-chips.com> References: <20161001140939.GA31220@vaio-ubuntu> <6239b970-09d3-f7ee-e6f5-c019eaedb725@rock-chips.com> <67831fd0-76af-a793-0b2f-958e45633fe8@rock-chips.com> Message-ID: <149df5ee-3478-6d15-bb76-47becac146e9@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi W dniu 10.10.2016 o 09:18, Huang, Tao pisze: > Our IC guy need us tell them which master can not access such area, DMA > or EMMC Controller or GPU, etc? Could you tell me how to reproduce such > issue? > And we can confirm CPU core can access this memory through /dev/mem and > the test board is 1GB too. Personally, I don't think RK3066 has such > limit because when we verify this chip, we don't found such limit at all. > > Thanks, > Huang, Tao I'm getting this on Ubuntu 16.04 with mainline kernel. My board always freezes when i type: "memtester 800M"