参考 http://forums.gentoo.org/viewtopic-t-880313-start-0.html
Problem:
dmesg
代码:
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EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null) VFS: Mounted root (ext4 filesystem) readonly on device 8:2. Freeing unused kernel memory: 396k freed Write protecting the kernel text: 4244k Write protectiong the kernel read-only data: 1664k init-early.sh used greatest stack depth: 6696 bytes left</td>
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Solve:
change kernel config to include:
引用:
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Device Drivers —> Generic Driver Options —> (/sbin/hotplug) path to uevent helper [*] Maintain a devtmpfs filesystem to mount at /dev [*] Automount devtmpfs at /dev, after the kernel mounted the rootfs [*] Select only drivers that don’t need compile-time external firmware [*] Prevent firmware from being built -*- Userspace firmware loading support [ ] Include in-kernel firmware blobs in kernel binary () External firmware blobs to build into the kernel binary [ ] Driver Core verbose debug messages [ ] Managed device resources verbose debug messages
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