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update-pciids

今天学会了这个命令， 主要是lspci时一大堆unknown， 而驱动里明明支持那些id, 但是就是不能显示正确的字符串， 后来知道了update-pciids这个命令， 可以下载到最新的pci id, 之后lspci少了几个unknown. 此时才恍然大悟， 原来lspci显示的字符串跟驱动没有关系， 而是自己有一个索引。
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