Disk full on anita/amd64?

[Ryota Ozaki <ozaki-r%netbsd.org@localhost>]

Hi,

I've noticed increase of test failures on anita/amd64:
http://releng.netbsd.org/b5reports/amd64/commits-2016.01.html#2016.01.30.03.38.39

A test failure indicates disk full of the system:
http://releng.netbsd.org/b5reports/amd64/build/2016.01.30.03.38.39/test.html#atf_atf-c_detail_fs_test_mkdtemp_err

A sanity check of ATF also indicates that:
  df-pre-test Filesystem  1K-blocks  Used    Avail %Cap Mounted on
  df-pre-test /dev/wd0a     862463 810271     9069  98% /

I guess it happens due to dtrace stuffs added to the base
recently and keeping debugging symbols of kernel modules
for dtrace (this is the just previous commit where test
failures increased).

I think we should increase the size of the disk image
of qemu.

Regards,
  ozaki-r