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--- linux:gentoo-mbp [2012/06/12 21:33] – [ALSA Sound card] percy
+++ linux:gentoo-mbp [2016/05/05 13:07] (current) – external edit 127.0.0.1
@@ Line 52: / Line 52: @@
   emerge alsa-utils
-   rc-update add alsasound boot
+  rc-update add alsasound boot
+  gpasswd -a <username> audio
+===== aticonfig =====
+When I upgrade the kernel to 3.3.8,it can't startx correctly,after google search,need do the aticonfig to generate the /etc/X11/xorg.conf:
+  aticonfig --initial
+===== Reference =====
+http://ck.kennt-wayne.de/2012/jun/gentoo-linux-on-the-macbook-pro-82-late-2011
+Touchpad:The touchpad works flawlessly with xf86-input-mtrack.
+http://dentifrice.poivron.org/laptops/macbookpro8,2/
+  emerge x11-drivers/xf86-input-mtrack
+Append section to /etc/X11/xorg.conf
+<code>
+Section "InputClass"
+	 MatchIsTouchpad "true"
+	 Identifier      "Touchpads"
+	 Driver          "mtrack"
+ EndSection
+</code>
+.Xmodmap
+<code>
+pjq@localhost ~ $ cat .Xmodmap
+pointer = 1 2 3 5 4 7 6 8 9 10 11 12
+</code>
+===== Fix boot after reinstall Mac OS X  =====
+.Of course,first should install rEFIt,and sync the MBR partition list.
+.Fix the grub command,it is really strange,after the new install of Mac OS X,the sda5 has been changed to sda4,so need update all related partition index by -1.
+<code>
+splashimage=(hd0,3)/boot/grub/splash.xpm.gz
+#Now config
+title Gentoo Linux root (hd0,3) root=/dev/sda4 /boot/kernel-3.3.8
+root (hd0,3)
+kernel /boot/kernel-3.3.8 root=/dev/sda4
+#The previous config
+title Gentoo Linux root (hd0,4) root=/dev/sda5 /boot/kernel-3.3.8
+root (hd0,4)
+kernel /boot/kernel-3.3.8 root=/dev/sda5
+</code>
+And the fstab also need update:
+<code>
+# NOTE: If your BOOT partition is ReiserFS, add the notail option to opts.
+/dev/sda4              /           ext4            noatime         0 0
+#/dev/sda4 /boot		ext2		noauto,noatime	1 2
+/dev/sda3		/home		ext4		noatime		0 1
+#/dev/SWAP		none		swap		sw		0 0
+/dev/cdrom		/mnt/cdrom	auto		noauto,ro	0 0
+/dev/fd0		/mnt/floppy	auto		noauto		0 0
+</code>
+===== Tips =====
+  fglrxinfo
+  fgl_glxgears
+Gentoo Linux on the MacBook Pro 8,2 (late 2011):
+http://ck.kennt-wayne.de/2012/jun/gentoo-linux-on-the-macbook-pro-82-late-2011
+===== Kernel config =====
+config-3.5.7:
+http://bpaste.net/show/66555/