Hi Bin,
I have tried both suggestions and the kernel boot still hangs in the same place. I have enclosed a snipit from boot that shows the command line.
Thanks, Tom
-----Original Message----- From: Bin Meng [mailto:bmeng.cn@gmail.com] Sent: Thursday, June 18, 2015 9:16 PM To: Beaman, Thomas Cc: Simon Glass; u-boot@lists.denx.de Subject: Re: [U-Boot] MinnowBoard Max uboot
Can you try typing 'run ramboot' on the U-Boot shell to load linux kernel? Or below ...
Or append acpi=off to the kernel command line manually, to see how it goes.
=> run ramboot Using RTL8169#0 device TFTP from server 10.40.101.102; our IP address is 10.40.101.244 Filename 'atom_64/kernel'. Load address: 0x10000000 Loading: ################################################## 5.6 MiB 3.6 MiB/s done Bytes transferred = 5861312 (596fc0 hex) Using RTL8169#0 device TFTP from server 10.40.101.102; our IP address is 10.40.101.244 Filename 'atom_64/ramdisk'. Load address: 0x20000000 Loading: ################################################## 29.1 MiB 3.5 MiB/s done Bytes transferred = 30497951 (1d15c9f hex) Valid Boot Flag Setup Size = 0x00003e00 Magic signature found Using boot protocol version 2.0c Linux kernel version 3.10.62-ltsi-WR6.0.0.20_standard (tbeaman@wocket) #1 SMP PREEMPT Wed Jun 17 15:19:47 EDT 2015 Building boot_params at 0x00090000 Loading bzImage at address 100000 (5845440 bytes) Magic signature found Initial RAM disk at linear address 0x20000000, size 30497951 bytes Kernel command line: "root=/dev/ram rw ip=10.40.101.244:10.40.101.102::255.255.255.0:x86:eth0:off console=ttyS0,115200 acpi=off ramdisk_size=300000"
Starting kernel ...