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I am trying to build Linux kernel. I am getting out of space after a while. I unpacked it in /usr/src directory. It seems I have plenty of space. Can you please let me know what can be done about it. How much space does it need to compile & build kernel.

I am using VirtualBox.

root@vinay-VirtualBox:/usr/src/linux-2.6.39.3# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1             6.9G  3.2G  3.4G  49% /
none                  669M  640K  668M   1% /dev
none                  675M   24K  675M   1% /dev/shm
none                  675M   96K  675M   1% /var/run
none                  675M     0  675M   0% /var/lock
/dev/sr0               39M   39M     0 100% /media/VBOXADDITIONS_4.0.10_72479
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if you're running out of space, obviously it needs more than 3.4GB! –  jcomeau_ictx Jul 10 '11 at 17:42
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What is the exact error message? Out of disk space or out of memory space (=RAM+SWAP)? –  Turbo J Jul 10 '11 at 17:46
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out of disk space –  vinay Jul 10 '11 at 17:48
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@jcomeau_ictx: More than 3.4 GB? Not plausible. –  user unknown Jul 10 '11 at 17:49
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@jcomeau_ictx: A recent tarball on my disk: linux-source-2.6.32.tar.bz2, is 64M in size. Extracted it will be bigger, and during compilation it will generate intermediate files, and the the final .ko-files - in /lib/modules I find files of about 90M. In total you might need 200M or 300M disk space, but not 3G. –  user unknown Jul 10 '11 at 21:17
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I added a virtual disk to it & mounted it to /usr/src . It took about 6.5 GB to compile & build Linux kernel 2.6.39.3

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