Hello, I have an Asus U36SD laptop, with Optimus technology. I'm not sure if my current approach is the correct/more safe one. I think more and more devices are going to have this technology, so this could be a cue to address future F17 potential users problems At the moment I have F16 x86_64 on it and I'm planning to reserve a partition for upcoming F17 tests. So I would like to get an advise on best current approach for configuring such systems in Linux in general, but in Fedora in particular. Some items requesting for comments, also in terms of Fedora decisions if already taken/discussed - my current hw config # lspci -vnnn|grep -i vga 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller]) 01:00.0 VGA compatible controller [0300]: nVidia Corporation Device [10de:1050] (rev ff) (prog-if ff) - I disabe Nvidia discrete card with acpi_call kernel module. as described by Michal Kottman in a 2010 thread (I think it is still true): "Optimus does not work on Linux (yet). Meanwhile, you can save the battery by using acpi_call to turn your (unused) discrete GPU off." So I'm using his acpi-call_240611.orig.tar.gz from ironhide (I have to check new versions), putting in /etc/rc.d/rc.local #!/bin/bash echo "Disabling Nvidia video adapter..." | tee -a /var/log/nvida_disabled.log /sbin/modprobe acpi_call echo '\_SB.PCI0.PEG0.GFX0.DOFF' > /proc/acpi/call - Also, I boot with the parameter i915.i915_enable_rc6=1 My current boot command line is cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-3.1.1-2.fc16.x86_64 root=UUID=ce058d6c-d2ed-49e5-9869-965799f246a5 ro rd.md=0 rd.lvm=0 rd.dm=0 KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 LANG=en_US.UTF-8 i915.i915_enable_rc6=1 elevator=deadline What about i915_enable_rc6 not being the default...? Does still put stability problems? Does it make sense to enable it or not by default based on different adapters/chipsets? In my case it gives me about 1hour and a half of battery life more.... - What should I do with nouveau kernel module? Should I put inside boot option also something like nouveau.nomodeset=0 ? At this time I have nouveau loaded, but nvidida adapter disabled (with acpi_call) $ sudo lsmod | grep nouv nouveau 580663 0 ttm 55029 1 nouveau drm_kms_helper 26490 2 nouveau,i915 drm 194476 6 nouveau,ttm,i915,drm_kms_helper i2c_algo_bit 4958 2 nouveau,i915 mxm_wmi 1727 1 nouveau i2c_core 25728 7 videodev,i2c_i801,nouveau,i915,drm_kms_helper,drm,i2c_algo_bit video 12388 2 nouveau,i915 - Right now I'm just using the 2.17.0 Xorg intel driver, shipped as an update today in Fedora 16 Based on this page it should have many bug fixes and improvements: http://www.phoronix.com/scan.php?page=news_item&px=MTAxNjU BTW: is the Intel driver in Fedora 16 currently built with "--enable-sna" option or planned to be ? So if there are any advises regarding the points above, I will try and follow them for both F16 and upcoming F17 tests. Thanks in advance for your time. Gianluca -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test
