<div id="article_content" class="article_content"> <p>环境：系统Centos6.6 硬件环境 SAMSUNG RV420<br /></p> <p>1、错误信息记录位置查看<span style="color:#FF0000">find /var/log -type f|xargs grep "00:0b" </span> <br /></p> <p>关键字也可以选择CRS<br /></p> <p>[root@door toor]# find /var/log -type f|xargs grep "00:0b" (使用最高权限查看，权限低 会拒绝find指令的查看)<br /></p> /var/log/messages:Jul 26 11:35:17 door kernel: pnp 00:0b: can't evaluate _CRS: 8<br /> /var/log/dmesg:pnp 00:0b: can't evaluate _CRS: 8<br /><p>/var/log/dmesg:pnp 00:0b: Plug and Play ACPI device, IDs PNP0c01 (active)</p> <p><br /></p> <p>2、查看错误详细信息<span style="color:#FF0000">:sudo gedit /var/log/messages</span> (编辑器随便吧)</p> <p><br /></p> <p>Ctrl+F 定位到“CRS“</p> <p>这段信息是有用的：</p> <p>Jul 26 11:35:17 door kernel: pnp: PnP ACPI init （PnP：即插即用，ACPI：高级电源管理接口) ---初始化<br /> Jul 26 11:35:17 door kernel: ACPI: bus type pnp registered<br /> Jul 26 11:35:17 door kernel: ACPI Warning for _SB_.MEM2._CRS: Return type mismatch - found Integer, expected Buffer (20090903/nspredef-1018)<br /> Jul 26 11:35:17 door kernel: ACPI Error (uteval-0310): Return object type is incorrect [_SB_.MEM2._CRS] (Node f705e620), AE_TYPE<br /> Jul 26 11:35:17 door kernel: ACPI Error: Type returned from _CRS was incorrect: Integer, expected Btypes: 0x4 (20090903/uteval-316)<br /> Jul 26 11:35:17 door kernel: pnp 00:0b: can't evaluate _CRS: 8<br /> Jul 26 11:35:17 door kernel: pnp: PnP ACPI: found 12 devices --发现了12个设置<br /> Jul 26 11:35:17 door kernel: ACPI: ACPI bus type pnp unregistered --注册失败了一个</p> <p><br /></p> <p>开始使用acpi=off 加到内核参数上，开机错误任在，鼠标移动不流畅了！！这里应该是还注册了其他设备的原因。</p> <p><br /></p> <p>参考内核参数这：<a target="_blank" href="http://www.jinbuguo.com/kernel/boot_parameters.html">http://www.jinbuguo.com/kernel/boot_parameters.html</a><br /></p> <p>发现这个地方找到这个参数：</p> <p></p> <dl><dt>pnpacpi=off</dt><dd>禁用ACPI的即插即用功能，转而使用古董的PNPBIOS来代替。</dd></dl> 然后第三步 <p></p> <p>3、 sudo gedit /boot/grub/grub.conf</p> <p><br /></p> <p>title CentOS 6 (2.6.32-504.el6.i686)<br /> root (hd0,3)<br /> kernel /vmlinuz-2.6.32-504.el6.i686 ro root=UUID=33b23ad2-f922-4329-8f8f-f3a145147587 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM <span style="color:#FF0000">pnpacpi=off</span><br /> initrd /initramfs-2.6.32-504.el6.i686.img<br /> title Other System<br /> rootnoverify (hd0,0)<br /> chainloader +1</p> <p><br /></p> <p>把日志 都删除root shell: <span style="color:#FF0000">find /var/log -type f -exec rm -v {} \; </span> (分号要有的)<br /></p> <p>保存，重启， 再试一次 find /var/log -type f|xargs grep "00:0b" 这时候啥也没了！！！到此错误解决。<br /></p> <p><br /></p> </div>