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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 294a9fb8-0330-4975-de71-08d7be5fce7f X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Mar 2020 04:11:39.0072 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: a5ngWEsaoYbP0JkIUM+bJLFrF05/03BeyO2WrpuYLY6MWNRAx5l81dIn6cNZV5xEuAdim+UhSljPwhOn3XZSDQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB4645 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200301_201144_379108_777D020F X-CRM114-Status: GOOD ( 13.91 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anup Patel , Paul Walmsley Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Archived-At: List-Archive: On 2020/03/02 12:53, Sean Anderson wrote:=0A= > On 3/1/20 10:01 PM, Damien Le Moal wrote:=0A= >> On 2020/02/29 5:32, Sean Anderson wrote:=0A= >>> Hi,=0A= >>>=0A= >>> When booting from U-Boot I get an OOM. Perhaps this is related to the= =0A= >>> second cpu not coming up?=0A= >>=0A= >> Unlikely. It looks like your user space needs 2MB per shell (order 9=0A= >> allocation). Since you have only 5.5MB free, that may explain the alloca= tion=0A= >> failure (if init is forking another shell especially).=0A= > =0A= > This should be before init comes up; when comparing this to your syslog= =0A= > output there are several more messages before init gets started.=0A= =0A= Ah, yes. Your log shows:=0A= [ 1.899086] Mem-Info:=0A= [ 1.901072] active_anon:0 inactive_anon:0 isolated_anon:0=0A= [ 1.901072] active_file:0 inactive_file:0 isolated_file:0=0A= [ 1.901072] unevictable:705 dirty:0 writeback:0 unstable:0=0A= [ 1.901072] slab_reclaimable:0 slab_unreclaimable:215=0A= [ 1.901072] mapped:0 shmem:0 pagetables:0 bounce:0=0A= [ 1.901072] free:417 free_pcp:0 free_cma:0=0A= =0A= so only 417 free pages, but awapper is asking for 512 pages allocation... W= eird.=0A= Did you use the k210 default config ? Something using too much memory for t= he=0A= board has been added to the config I think.=0A= =0A= >> For the second core not coming up, an IPI needs to be sent to the non-bo= ot core=0A= >> to wake it up. A Kendryte thing. U-boot should probably do it before jum= ping to=0A= >> the kernel. I thought I had that in the kernel though. Will check again.= =0A= > =0A= > I think it's a RISC-V thing. I should have U-Boot set up to start linux= =0A= > on both cores, but something may be misconfigured on that end.=0A= =0A= May be. I would need to check the specs again :)=0A= I think that normally, the rom boot stage is normally bringing up all cores= ?=0A= And the kendryte one does not ? Hence the need to explicitly do it for dire= ct=0A= boot (in the kernel) or in u-boot ?=0A= =0A= > =0A= > --Sean=0A= > =0A= =0A= =0A= -- =0A= Damien Le Moal=0A= Western Digital Research=0A=