装了三台电脑，都是在make runtest 的时候遇到的问题。
我配置caffe用到的是：xubuntu14.04 +cuda7.0+opencv2.4.12+cudnn7.0+mkl+matlab2014a
之前在xubuntu 15.04下安装没有碰到过这种问题。

[ RUN ] NetUpgradeTest.TestUpgradeV1LayerType
F0718 13:49:13.691694 10542 upgrade_proto.cpp:921] Unknown V1LayerParameter layer type: 40
*** Check failure stack trace: ***
@ 0x2ad4d1706daa (unknown)
@ 0x2ad4d1706ce4 (unknown)
@ 0x2ad4d17066e6 (unknown)
@ 0x2ad4d1709687 (unknown)
@ 0x2ad4d2967eff caffe::UpgradeV1LayerType()
@ 0x5e9c00 caffe::NetUpgradeTest_TestUpgradeV1LayerType_Test::TestBody()
@ 0x806cdd testing::internal::HandleSehExceptionsInMethodIfSupported<>()
@ 0x802276 testing::internal::HandleExceptionsInMethodIfSupported<>()
@ 0x7ef68d testing::Test::Run()
@ 0x7efe26 testing::TestInfo::Run()
@ 0x7f0414 testing::TestCase::Run()
@ 0x7f529e testing::internal::UnitTestImpl::RunAllTests()
@ 0x807d10 testing::internal::HandleSehExceptionsInMethodIfSupported<>()
@ 0x802f2d testing::internal::HandleExceptionsInMethodIfSupported<>()
@ 0x7f4032 testing::UnitTest::Run()
@ 0x486b43 main
@ 0x2ad4d3852f45 (unknown)
@ 0x486949 (unknown)
@ (nil) (unknown)
make: *** [runtest] 已放弃 (core dumped)

https://github.com/ShaoqingRen/faster_rcnn/issues/19
Unknown V1LayerParameter layer type:40