Also, later on in dbmem console output "Available memory below 4GB:
1992M"
On 29/07/2013 15:39, John Lewis wrote:
Right, here is cbmem console output, which was "-c" not "-l". As you
can see, it says fairly early on it recognises 2GB not 4. It's not
exactly verbose about why. I also noticed later in the dmesg output
that
"[ 1.071359] [drm] Memory usable by graphics device = 2048M", that
doesn't mean it's reserved, does it?
On 29/07/2013 15:31, Aaron Durbin wrote:
It's under the 'util' directory in the coreboot repository:
http://review.coreboot.org/gitweb?p=coreboot.git;a=tree;f=util/cbmem;h=14fbe6c462edf294e247e95616700cee7a6f46db;hb=refs/heads/master
From this: [ 0.000000] e820: BIOS-provided physical RAM map: [
0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff]
usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff]
reserved [ 0.000000] BIOS-e820: [mem
0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000]
BIOS-e820:
[mem 0x0000000000100000-0x000000001fffffff] usable [ 0.000000]
BIOS-e820: [mem 0x0000000020000000-0x00000000201fffff] reserved [
0.000000] BIOS-e820: [mem 0x0000000020200000-0x000000003fffffff]
usable
[ 0.000000] BIOS-e820: [mem 0x0000000040000000-0x00000000401fffff]
reserved [ 0.000000] BIOS-e820: [mem
0x0000000040200000-0x000000007c6dffff] usable [ 0.000000] BIOS-e820:
[mem 0x000000007c6e0000-0x000000007f1fffff] reserved [ 0.000000]
BIOS-e820: [mem 0x00000000f0000000-0x00000000f3ffffff] reserved [
0.000000] BIOS-e820: [mem 0x0000000100000000-0x00000001005fffff]
usable
Adding up the reported usable memory should jive with your
expectations. As for needing console, yes, you will need to compile
with console. CONFIG_EARLY_CBMEM_INIT=y CONFIG_CONSOLE_CBMEM=y On
Mon,
Jul 29, 2013 at 9:19 AM, John Lewis <[email protected] [6]> wrote:
Where do I find/build cbmem binary? Please find attached dmesg. On
29/07/2013 14:43, Aaron Durbin wrote:
Can you provide the full firmware log and dmesg? 'cbmem -l' should
give you the firmware log. On Sun, Jul 28, 2013 at 7:47 AM, John
Lewis <[email protected] [3][3]> wrote:
Guys, I have noticed that not all the 4 GB or RAM is showing, and
I get this message in the kernel: [ 0.000000] Memory:
1914260k/4200448k available (6486k kernel code, 2160136k absent,
126052k reserved, 6780k data, 1412k init) Any idea what the
problem is (mrc.bin), and what I might do to workaround? John. --
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