Acer Aspire One
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==What doesn't yet work (and workarounds)==
==What doesn't yet work (and workarounds)==
Revision as of 17:29, 2 November 2010
This page is about installing and configuring Fedora on the Acer Aspire One netbook. Please contribute if you can.
Note that there a wide variety of netbooks marketed under the Aspire One line, with a variety of hardware.
What doesn't yet work (and workarounds)
- All models:
- Card reader (UBS ID 0cf2:6250 ENE Technology, Inc.) does not appear to work.
- D250, A150, AO751h ...:
- AO751h-52Bk all works ok and graphic card(must enable RPMFusion yum install xorg-x11-drv-psb or from system->administration->add/Remove Software find from xorg-x11-drv-psb )
- If you don't show the battery status to A0751h, add this line cat /proc/acpi/battery/BAT1/state in the file /etc/rc.local
- A110 (8GB):
- Everything works except suspend.
(Tested with a D250 and partially with AO751h.)
- If using a Live .iso, you must supply ssb.blacklist=1 as a boot parameter to avoid a hang. (Hit any key to avoid automatic boot, then Tab from the menu to change boot options. When you see the command line, type a space followed by the new parameter.) When rebooting after the initial installation, you will need to add the same parameter to the boot options from the Grub menu. If you are not presented with this menu automatically, try hitting Esc repeatedly during startup.
- Depending on the exact hardware, your hard-wired network interface might not be detected. If this is the case, you cannot easily perform a network installation using a netinst.iso or boot.iso, because neither the hard-wired nor wireless network devices will be available. Use the Live or DVD install method, or create a driver disk.
- If you are using the full DVD, multi-CD, or netinst.iso install methods, you will need to supply either ssb.blacklist=1 or noprobe as a boot option in order to avoid a hang.
- After installation (or during installation, if you have network access) enable RPM Fusion repositories and install the kmod-wl driver. After rebooting, this will automatically add the ssb module to the blacklist, and also give you working wireless. If you are transferring files on removable media because you have no working network, be sure to also copy broadcom-wl, which is a required dependency. After these RPMs are installed, you will no longer need to add parameters at boot time.
- If you don't show the battery status, add this line cat /proc/acpi/battery/BAT1/state in the file /etc/rc.local (AO751h).
- AO532h (LXDE F12 Install)
OOTB multi-touchpad functionality fails, instead of synaptics, emulated mac mouse drivers are used
SDCard Reader not working yet.
- A110 (8GB)
Everything seems to work just fine (with no special tuning at all) The WLAN stops working (usually after the netbook was suspended, see: https://bugzilla.redhat.com/show_bug.cgi?id=578607
- All models:
- Touchpad vertical scrolling does not work out-of-the-box with new synaptics
- Sensors not detected by lm_sensors 'sensors-detect' or by the 'acpi' util. (netbook many not have any hardware sensors)
- For the original AAO model A110:
- Everything else works
- For the AO751h model:
- Intel EMGD driver for Video GMA500.
- Other models, including the more recent AAO A150 / D150:
- Cheese Webcam Booth detected camera, then didn't for a while and now it's back, but the picture is washed out and there's no controls to adjust it.
- Speakers do not auto-mute when using headphones until editing /etc/modprobe.d/modprobe.conf.
You can install Fedora by using an external USB CD/DVD reader, a USB dongle, or via PXE netboot.
- No special installation workarounds required since F10.
- Root partition filesystems cannot be changed:
- in F12: "/" must be ext4; "/boot" is optional, and may be ext
- in F11: "/" must be ext4; "/boot" is required, and may be ext
- in F10: "/" must be ext3; "/boot" is optional, and may be ext
- Regular install, except via external USB CD/DVD drive, or using a specially setup 4GB+ usbkey.
- Problem booting F13 DVD
Cannot boot F13 DVD via a working usb CD/DVD drive. Worked well with the Live CD
Aspire One Model: ZG5
Error: isolinux: disk error 80, AX = 4226, drive 90
Both card readers work out of the box (if not, see: #Obsolete Instructions). In Fedora 12, the multi-card reader does work with Memory Sticks (at least in the AAO 110L model).
The "special" card reader on the left for adding storage is seen as just another plain card reader. Use LVM if you want to extend storage space from the internal HDD/SSD, but don't try to suspend while using the card reader on the left as corruptions may result. Note that with some models the reader on the right won't work with Memory Sticks.
Tap-to-click is disabled by default. If using GNOME, you can enable it by choosing System > Preferences > Mouse > Enable Tapping. For every other desktop (XFCE, LXDE, fluxbox, KDE, etc), or to have tap2click available at the login manager (gdm), use the following method to enable it:
In F13: To enable tap-to-click, paste the following to /etc/X11/xorg.conf.d/50-synaptics.conf; for a full list of touchpad config options, see: man synaptics.
Section "InputClass" Identifier "touchpad catchall" MatchIsTouchpad "on" Option "TapButton1" "1" EndSection
Beginning with F13, X uses udev instead of HAL for input device configuration. User customizations go to /etc/X11/xorg.conf.d/*.conf and system defaults are found in /usr/share/X11/xorg.conf.d/*conf
In F12: To enable tap-to-click, paste the following to /etc/hal/fdi/policy/10-synaptics.fdi
<?xml version="1.0" encoding="ISO-8859-1"?> <deviceinfo version="0.2"> <device> <match key="info.capabilities" contains="input.touchpad"> <merge key="input.x11_options.TapButton1" type="string">1</merge> <merge key="input.x11_options.TapButton2" type="string">3</merge> <merge key="input.x11_options.TapButton3" type="string">2</merge> <merge key="input.x11_driver" type="string">synaptics</merge> </match> </device> </deviceinfo>
In F11: To enable tap-to-click, and to fix vertical scrolling, paste the following to /etc/hal/fdi/policy/10-synaptics.fdi
<?xml version="1.0" encoding="ISO-8859-1"?> <deviceinfo version="0.2"> <device> <match key="info.capabilities" contains="input.touchpad"> <merge key="input.x11_options.TapButton1" type="string">1</merge> <merge key="input.x11_options.TapButton2" type="string">3</merge> <merge key="input.x11_options.TapButton3" type="string">2</merge> <merge key="input.x11_options.VertEdgeScroll" type="string">1</merge> <merge key="input.x11_options.LeftEdge" type="string">1700</merge> <merge key="input.x11_options.RightEdge" type="string">5300</merge> <merge key="input.x11_options.TopEdge" type="string">1700</merge> <merge key="input.x11_options.BottomEdge" type="string">4200</merge> <merge key="input.x11_driver" type="string">synaptics</merge> </match> </device> </deviceinfo>
Save the file, then reboot your system, or logout and back in.
Speakers do not auto-mute when using headphones
In F11, add the following line to /etc/modprobe.d/aceraspirefix.conf and then reboot.
options snd-hda-intel model=acer-aspire
Works out of the box. Use the cheese app which is installed by default to test. Other v4l2 webcam-using apps include: vlc, ekiga, ucview, camE, xawtv, zoneminder, and motion.
Notes on performance
If you have the 8 GB SSD/512MB RAM version, the flash performance may not be so good. Linux tries to swap often, and the SSD write speed is too slow (~ 4MB to 7.8MB/sec) to do much swapping. Use a lighter desktop like XFCE or add more RAM (which is not easy; you have to fully disassemble the Aspire One losing the warranty).
The "cheapest" way to get a somewhat sensible storage performance has been for me to add 2 8GB class 6 SDHC cards, and use LVM to create a stripped root volume. 2 benefits: 8GB => 24GB and read/write performance almost doubles, at least in shouting distance to average SATA discs.
Furthermore, instead of "real" swap, I'd really recommend compcache (http://code.google.com/p/compcache/).
If you have upgraded the RAM (1.5GB max) or you don't have a heavy load, it may help to disable swap, as well as to move /tmp, /var/tmp, /var/log, and /var/cache/yum off of the flash and onto tmpfs ramdisk. It may also help to use a journal-less ext2 VS ext3, and to include the "noatime,nodiratime" mount options in /etc/fstab to limit unnecessary writes.
Example /etc/fstab entries:
/dev/sda2 / ext2 defaults,noatime 1 1 tmp /tmp tmpfs defaults 0 0 vartmp /var/tmp tmpfs defaults 0 0 varcacheyum /var/cache/yum tmpfs defaults 0 0
Note: if installing F11 or F12 from liveusb, your root '/' filesystem will always be ext4 (f10 and previous was ext3). The benefits of ext2 is debatable, as the tiny performance increase is more than offset by long fsck's after unclean shutdowns.
If you really want to increase performance, use a fast SDHC memory card in the left reader, and use it for /home, /var and /usr.
- On SSD it is tremendously helpful to disable your web browsers' disk cache.
- Disabling SELinux (/etc/sysconfig/selinux) can buy you a small (~7%) amount of performance, if security isn't a concern. It also decreases boot time by a few seconds.
- Disabling unnecessary services can almost cut the bootup time in half (18 seconds is doable in F12, as reported by bootchartd). Depending on your requirements for a netbook, it is safe to disable at least: sendmail, atd, nfs*, rpc*, portreserve, live*, avahi-daemon, cups, gpm, ip6tables, bluetooth, lvm2-monitor, mdmonitor, pcscd, and abrtd
chkconfig --list | grep ':on' cd /etc/init.d for service in sendmail atd nfs* rpc* portreserve live* avahi-daemon cups gpm ip6tables bluetooth lvm2-monitor mdmonitor pcscd abrtd; do echo disabling $service; chkconfig $service off; done chkconfig --list | grep ':on'
- Disable unused virtual terminal consoles:
- For F13, change the end of the line ACTIVE_CONSOLES=/dev/tty[1-6] in /etc/sysconfig/init, to say [1-2]'
- For F12 and F11, remove all tty* files from /etc/event.d except tty1 and tty2 (ctrl-alt-[f1-f6] consoles)
mkdir /etc/event.d.disabled mv /etc/event.d/tty[3-6] /etc/event.d.disabled
- If GNOME, Disable most auto-started applications from Session and Startup preferences under the Applicaton Autostart tab.
- If GNOME, Disable Tracker indexer from both Search and Indexing and from Application Autostart.
- Use XFCE or LXDE instead of the heavier GNOME and KDE desktops.
Add this to /etc/sysctl.conf:
# Economize the SSD # Strongly discourage swapping (default 60) vm.swappiness = 1 # Don't shrink the inode cache aggressively (default 100) vm.vfs_cache_pressure = 50 # (default 499) vm.dirty_writeback_centisecs = 1500 # (default 10) vm.dirty_ratio = 20 # (default 5) vm.dirty_background_ratio = 10 # (default 0) vm.laptop_mode = 5
Add this to /etc/rc.d/rc.local
# As in the rc.last.ctrl of Linpus echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo ondemand > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor cat /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate_max > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate echo 1 > /sys/devices/system/cpu/sched_smt_power_savings echo 10 > /sys/module/snd_hda_intel/parameters/power_save #Decrease power usage of USB while idle [ -w /sys/bus/usb/devices/1-5/power/level ] && echo auto > /sys/bus/usb/devices/1-5/power/level [ -w /sys/bus/usb/devices/5-5/power/level ] && echo auto > /sys/bus/usb/devices/5-5/power/level
Edit the file /boot/grub/grub.conf and add elevator=noop to the kernel-line
kernel /vmlinuz-184.108.40.206-159.fc10.i686 ro root=/dev/sda2 rhgb quiet elevator=noop
A sample xorg.conf that provides a larger virtual screen - also configures my 19" VGA screen when connected...adjust the Screen and Display sections for whatever display you have connected to your VGA port
NOTE: this seems to require xserver 1.6 and xrandr 1.3 which are Fedora 11 and this may not work in earlier versions of Fedora.
Section "ServerLayout" Identifier "X.org Configured" Screen 0 "Screen0" 0 0 Screen 0 "Screen1" 0 0 InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" EndSection Section "Files" ModulePath "/usr/lib/xorg/modules" FontPath "catalogue:/etc/X11/fontpath.d" FontPath "built-ins" EndSection Section "Module" Load "dbe" Load "extmod" Load "dri" Load "dri2" Load "record" Load "glx" EndSection Section "InputDevice" Identifier "Keyboard0" Driver "kbd" Option "XkbModel" "pc105+inet" Option "XkbLayout" "us" EndSection Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/input/mice" Option "ZAxisMapping" "4 5 6 7" EndSection Section "Monitor" Identifier "LVDS1" ModelName "LCD Panel 1024x768" Option "Panning" "1280x1024" Modeline "1024×600" 48.96 1024 1064 1168 1312 600 601 604 622 -HSync +VSync EndSection Section "Monitor" Identifier "VGA1" Modeline "1280x1024" 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +HSync +VSync ModelName "LCD Panel 1280x1024" EndSection Section "Device" ### Available Driver options are:- ### Values: <i>: integer, <f>: float, <bool>: "True"/"False", ### <string>: "String", <freq>: "<f> Hz/kHz/MHz" ### [arg]: arg optional #Option "NoAccel" # [<bool>] #Option "SWcursor" # [<bool>] #Option "ColorKey" # <i> #Option "CacheLines" # <i> #Option "Dac6Bit" # [<bool>] #Option "DRI" # [<bool>] #Option "NoDDC" # [<bool>] #Option "ShowCache" # [<bool>] #Option "XvMCSurfaces" # <i> #Option "PageFlip" # [<bool>] Identifier "Card0" Driver "intel" VendorName "Intel Corporation" BoardName "Mobile 945GME Express Integrated Graphics Controller" BusID "PCI:0:2:0" EndSection Section "Screen" Identifier "Screen0" Device "Card0" Monitor "LVDS1" SubSection "Display" Viewport 0 0 Modes "1280x1024" "1024x768" "1024x600" Depth 24 Virtual 1280 1024 EndSubSection EndSection Section "Screen" Identifier "Screen1" Device "Card0" Monitor "VGA1" SubSection "Display" Viewport 0 0 Modes "1280x1024" Depth 24 Virtual 1280 1024 EndSubSection EndSection
Since F10 the card readers are automatically detected out of the box, but if it's not working for you, you can try:
echo "modprobe pciehp" >> /etc/rc.d/rc.local echo "modprobe sdhci" >> /etc/rc.d/rc.local echo "setpci -d 197b:2381 AE=47" >> /etc/rc.d/rc.local echo "blacklist jmb38x_ms" > /etc/modprobe.d/blacklist-msreader