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Re: [Qemu-devel] [PATCH v2 7/9] i.MX: Add i.MX6 SOC implementation.


From: Jean-Christophe DUBOIS
Subject: Re: [Qemu-devel] [PATCH v2 7/9] i.MX: Add i.MX6 SOC implementation.
Date: Fri, 19 Feb 2016 22:06:32 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1

Le 19/02/2016 10:32, Peter Maydell a écrit :
On 19 February 2016 at 06:32, Jean-Christophe DUBOIS
<address@hidden> wrote:
Le 18/02/2016 22:46, Peter Maydell a écrit :
Does SMP work with EL3 not enabled, or is this a different bug?

If I set has_el3 to false, I can boot the 4 cores without problem. With
has_el3 set to true (default value) I am getting the above behavior (boot OK
in uniprocessor mode, and misbehaving if -smp >= 2).
Odd. If you can point me to a test image I can use to investigate
(preferably with System.map and commit hash of kernel used to build it)
I'll see if I can find time to have a look at what's going on there.

I put my test image at the following address:

http://dl.free.fr/rADch1Xnx

You will get a tgz file with the following files in it:
  • imx6q-sabrelite.dtb
  • README
  • rootfs.cpio.gz
  • System.map 
  • zImage
Instruction to run the image are in the README file.

The kernel is compiled using the imx_v6_v7_defconfig file (without modification) in the linux source tree

Thanks

JC


-- PMM



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