参考:https://superuser.com/questions/152921/how-to-boot-with-mem-1024m-argument-using-grub-ubuntu-10-04 With Ubuntu and Debian-based installations that use Grub2, you shouldn't edit /boot/grub/grub.cfgdirectly. That file is configured by running the up
1.背景:今天上午连接Android调试之后,突然又出现了无法识别usb的问题.具体表现为:除usb无线网卡有效外,其他usb设备包括usb鼠标.u盘.android手机插上后都没反应.dmesg一直报:hub 5-0:1.0: unable to enumerate USB device on port 1.各种折腾未果,看到有个帖子提到升级内核能够解决,引出了这篇帖子的主题. 2.步骤:升级的过程主要是参照这篇<ubuntu 12.04内核编译步骤>,写的详细而且清晰,照着做就行了.这里我