Ubuntu 遇到 npm install 不能正常退出

Ubuntu 12.10 , 运行 npm 结尾就没停下来. 很奇怪 于是打了个 --verbose, 结尾是这个样子的 没 Google 到用例, 有同学知道么? 给点提醒?

npm verb readInstalled returning lockfile[@0](/user/0).3.0
npm verb readInstalled returning retry[@0](/user/0).6.0
npm verb readInstalled returning once[@1](/user/1).1.1
npm verb readInstalled returning npmconf[@0](/user/0).0.23
npm verb readInstalled returning opener[@1](/user/1).3.0
npm verb readInstalled returning chmodr[@0](/user/0).1.0
npm verb readInstalled returning sigmund[@1](/user/1).0.0
npm verb readInstalled returning mute-stream[@0](/user/0).0.3
npm verb readInstalled returning fstream-ignore[@0](/user/0).0.6
npm verb readInstalled returning couch-login[@0](/user/0).1.15
npm verb readInstalled returning promzard[@0](/user/0).2.0
npm verb readInstalled returning config-chain[@1](/user/1).1.5
npm verb readInstalled returning proto-list[@1](/user/1).2.2
npm verb readInstalled returning cssom[@0](/user/0).2.5
npm verb readInstalled returning mkdirp[@0](/user/0).3.5
npm verb readInstalled returning debug[@0](/user/0).7.2
npm verb readInstalled returning commander[@0](/user/0).6.1
npm verb readInstalled returning tinycolor[@0](/user/0).0.1
npm verb readInstalled returning options[@0](/user/0).0.3
npm verb readInstalled returning undefined
jamjs[@0](/user/0).2.15 /usr/lib/node_modules/jamjs
├── inherits[@1](/user/1).0.0
├── semver[@1](/user/1).0.14
├── almond[@0](/user/0).2.5
├── fstream-ignore[@0](/user/0).0.6
├── ncp[@0](/user/0).2.7
├── async[@0](/user/0).1.22
├── mime[@1](/user/1).2.9
├── mkdirp[@0](/user/0).3.5
├── request[@2](/user/2).9.203
├── underscore[@1](/user/1).3.3
├── requirejs[@2](/user/2).1.4
├── rimraf[@2](/user/2).0.3 (graceful-fs[@1](/user/1).1.14)
├── fstream[@0](/user/0).1.22 (graceful-fs[@1](/user/1).2.0)
├── minimatch[@0](/user/0).2.11 (sigmund[@1](/user/1).0.0, lru-cache[@2](/user/2).3.0)
├── tar[@0](/user/0).1.17 (block-stream[@0](/user/0).0.6)
└── prompt[@0](/user/0).2.1 (colors[@0](/user/0).6.0-1, revalidator[@0](/user/0).1.5, pkginfo[@0](/user/0).3.0, utile[@0](/user/0).1.7, winston[@0](/user/0).6.2)
npm verb exit [ 0, true ]