Kernel support is there already, but still unable to use 1GB.
It seems the issue is related with the device tree support, as once I
avoid loading the board.dtb file at u-boot I'm able to see and use all
memory. With the board.dtb file loaded most memory will be at the
reserved area.
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On Fri, May 20, 2011 at 12:24 PM, John Rigby <707...@bugs.launchpad.net> wrote:
> I will turn on HIGHMEM for the next build but only for omap. I will
> turn it on for all platforms for oneiric.
Fair enough.
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I will turn on HIGHMEM for the next build but only for omap. I will
turn it on for all platforms for oneiric.
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https://bugs.launchpad.net/bugs/707047
Title:
panda : half ram missing
-
We should be able to use HIGHMEM just fine with this kernel, we just
need to change the kernel config file. Ubuntu has 1GB support with
HIGHMEM for quite some time already, and it works fine.
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If we don't feel happy turning CONFIG_HIGHMEM on, could we use
CONFIG_VMSPLIT_2G instead? This allows Linux to map and use all of the
physical RAM, though it does reduce the virtual address space available
to user processes to 2G.
This gives me something more like:
[0.00] Memory: 472MB 48
same with linux-image-2.6.38-1003-linaro-
omap_2.6.38-1003.4~ppa2_armel.deb kernel
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Title:
panda : half ram missing
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still present on 0519 hwpack using the developer image dated the same.
[0.00] Memory policy: ECC disabled, Data cache writealloc
[0.00] Memory: 456MB 220MB 260MB = 936MB total
[0.00] Memory: 674316k/674316k available, 54772k reserve
Still in nano image from 2011-05-05 with hwpack from same date:
root@linaro:~# uname -a
Linux linaro 2.6.38-1002-linaro-omap #3-Ubuntu SMP Fri Apr 15 14:00:54 UTC 2011
armv7l armv7l armv7l GNU/Linux
root@linaro:~# cat /proc/cmdline
console=tty0 console=ttyO2,115200n8
root=UUID=bb58cb88-f4b2-4dc
root@linaro:~# uname -a
Linux linaro 2.6.38-1002-linaro-omap #3-Ubuntu SMP Fri Apr 15 14:00:54 UTC 2011
armv7l armv7l armv7l GNU/Linux
root@linaro:~# cat /proc/cmdline
console=tty0 console=ttyO2,115200n8
root=UUID=57bd55a1-fbe2-45be-ab2b-ea753174fa46 rootwait ro earlyprintk fixrtc
nocompcache
** Changed in: linaro-image-tools
Status: Fix Committed => Fix Released
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Title:
panda : half ram missing
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ubun
[0.00] Memory: 463MB 480MB = 943MB total
[0.00] Memory: 934628k/934628k available, 63772k reserved, 229376K
highmem
[0.00] Virtual kernel memory layout:
[0.00] vector : 0x - 0x1000 ( 4 kB)
[0.00] fixmap : 0xfff0 - 0xfffe (
I just tweaked this slightly after reading comments in bug #633227 where
it said it should be a multiple of 8 MiB; so the first length is now 456
MiB instead of 463 MiB.
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** Changed in: linaro-image-tools
Assignee: (unassigned) => Marcin Juszkiewicz (hrw)
** Changed in: linaro-image-tools
Status: Triaged => Fix Committed
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RAM is missing because we're configuring the system to be brought up
that way with linaro-media-create when it sets the default boot args; I
haven't seen any confirmation that bug #633227, which this bug was
marked as a duplicate of, has been reproduced with the Linaro kernel
(that bug is filed aga
** This bug is no longer a duplicate of bug 633227
instabilities with highmem activated
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Title:
panda : half ram missing
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*** This bug is a duplicate of bug 633227 ***
https://bugs.launchpad.net/bugs/633227
** This bug has been marked a duplicate of bug 633227
instabilities with highmem activated
* You can subscribe to bug 633227 by following this link:
https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap
** Also affects: linux-linaro-omap (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linaro
Importance: Undecided => Medium
** Changed in: linaro
Status: New => Triaged
** Changed in: linux-linaro-omap (Ubuntu)
Status: New => Triaged
** Changed in: linux-linar
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