From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Date: Fri, 07 Mar 2014 17:57:17 +0000 Subject: Re: NFS root on Koelsch reference Message-Id: <531A1694.9060405@cogentembedded.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org Hello. On 03/06/2014 10:24 PM, Ben Dooks wrote: >> Now we have DT support for Ethernet on r8a7791, I struggled a bit to get NFS >> root working on Koelsch reference. >> While I still need "[PATCH] ARM: shmobile: compile drivers/sh for >> CONFIG_ARCH_SHMOBILE_MULTI" to make the thermal sensor warning >> go away, this same patch causes a kernel panic when starting userspace from >> NFS root on Koelsch reference: >> VFS: Mounted root (nfs filesystem) readonly on device 0:12. >> devtmpfs: mounted >> Freeing unused kernel memory: 204K (c042b000 - c045e000) >> Unhandled fault: imprecise external abort (0x1406) at 0x00000000 >> Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007 Geert, do you have CONFIG_PM_RUNTIME in your .config? > I am also trying to get a patch in to stop these being fatal to the > system. > We also need a fix for the Micrel PHY to set the LED mode on the > Lager board. I've sent that but it seems to have stalled. While we're not having it, try changing "renesas,ether-link-active-low" prop to "renesas,no-ether-link" in the Koelsch device tree file. WBR, Sergei