Using Linux with more than 1 Gig of Ram
I recently upgraded my big box to 1 Gig of Ram. At boot the screen was blank, but with help and research I restored that by using vga=normal in lilo. From what I could tell from dmesg it said I needed a highmem enabled kernel.
So I follow the steps on the selecting kernel page on the slackware website. (in the book section) (I can't post the URL here because I haven't posted enough, if someone needs it,please pm me) when I reboot, it starts loading, but then starts reporting irq conflicts, segmentation faults etc. I can't get to the console to see what dmesg says. The only thing I changed in make menuconfig is the himem support option, so I don't understand why it's not working. Thanks in advance. I'm still working with the old kernel, not the full 1 gig of ram, and no tux at boot. I miss him. :cry: :Pengy: |
I assume it's Slackware because you said Slackware in your post?
Are you saying that all of this happened after the only thing you did was add RAM? I will tell you right now that, unless I'm mistaken, you don't need to do anything to your box with 1GB of RAM. I run 1GB of RAM in my laptop that runs Slackware 9.1 with no problems. Hmm... Peace, Whitehat |
Highmem support is for greater then 4GB of RAM (aka over the amount that can be accessed by the original 32bit x86 processors as 2^32 = 4GB).
My best guess is that the new RAM you added is not good. |
Whitehat: forgot to mention I'm running slack 8.1
jtshaw: No, did a ram test. Also it works with knoppix live cd, windows 98, windows xp. Also according to dmesg it's saying only 890 Megs will be used, it requires a himem enabled kernel. |
Having the same thing, but I am able to boot.
dmesg output: Warning only 896MB will be used. Use a HIGHMEM enabled kernel. 896MB LOWMEM available. This is after I recompiled my kernel with Himem enabled. |
I'm having the same exact issue...linux will only use 896mb. Has anyone found a way to fix this? I just put another 512mb stick in yesterday.
Dmesg > Warning only 896MB will be used. Use a HIGHMEM enabled kernel. 896MB LOWMEM available. On node 0 totalpages: 229376 DMA zone: 4096 pages, LIFO batch:1 Normal zone: 225280 pages, LIFO batch:16 HighMem zone: 0 pages, LIFO batch:1 esterday. |
Got it working (finally).
After recompiling the kernel several times with himem enabled, it just worked. Was weird, I would enable himem and compile but it would say it wasn't enabled in the kernel messages. |
i use 1.5 gigs and i did have to enable high memory to get it to see over 1 gig
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High Mem 4 Gig = 1-4Gig
High Mem 64 Gig = 4-64Gig -Joey |
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