QNAP TS-421 Kernel and Memory Size
It looks like there is a bug in kernel 3.2.0-4-kirkwood
WRT how it handles the memory on QNAP TS-421. The stock
kernel shows the full 1GB of RAM, the Debian kernel
shows 880488KB.
Also in dmesg:
Truncating RAM at 20000000-3fffffff to -367fffff (vmalloc region
overlap).
...
Memory: 872MB = 872MB total
Memory: 871128k/871128k available, 21800k reserved, 0K highmem
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
vmalloc : 0xf7000000 - 0xfe800000 ( 120 MB)
lowmem : 0xc0000000 - 0xf6800000 ( 872 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.text : 0xc0008000 - 0xc03e757c (3966 kB)
.init : 0xc03e8000 - 0xc040c000 ( 144 kB)
.data : 0xc040c000 - 0xc0446820 ( 235 kB)
.bss : 0xc0446844 - 0xc04a9ed8 ( 398 kB)
Is there a better kernel to use?
I suppose I could use the stock kernel with a custom initrd,
and hope qcontrol still works.
Gordan
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