>VGA-switcheroo is enabled but echo OFF says Permission denied (even with sudo). > > $ cat /sys/kernel/debug/vgaswitcheroo/switch > 0:+:Pwr:0000:00:02.0 > 1: :Pwr:0000:01:00.0
Try: $ su - (enter password) $ echo OFF /sys/kernel/debug/vgaswitcheroo/switch The su command is in a way "stronger" than sudo. -- Joaquín Ignacio Aramendía <samsa...@gmail.com> El jue, 28-07-2011 a las 07:30 -0800, Leonardo Morelli escribió: > Well, after updating bumblebee my system reached the "leave me alone please!" > state, so I uninstalled bumblebee, nvidia-current, etc. > One of the main issues was that it was trying to boot with the nouveau > driver, apparently, and the following message appears: > > [drm] nouveau 0000:01:00.0: LVDS present in DCB table, but couldn't determine > its native mode. Disabling. > > After that I saw some scary messages such as "soft lockup on cpu#2 for 61s!", > the system got unusable. > > Luckily, I was able to enter in recovery mode, and managed to reinstall > libgl1-mesa-dri & -glx, uninstall bumblebee and (fingers-crossed) it is > working as usual, except for turning off the nvidia card, it doesn't work now: > > insmod: error inserting 'acpi_call.ko': -1 Invalid module format > > but at least I can use my notebook. VGA-switcheroo is enabled but echo OFF > says Permission denied (even with sudo). > > $ cat /sys/kernel/debug/vgaswitcheroo/switch > 0:+:Pwr:0000:00:02.0 > 1: :Pwr:0000:01:00.0 > > > > -----Original Message----- > > From: samsa...@gmail.com > > Sent: Sat, 16 Jul 2011 17:48:18 -0300 > > To: leo...@inbox.com > > Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID: 10de:0a75 > > > > Vga switcheroo reports that can handle the card. The problem is a > > conflict with the method called to turn off the card at system startup. > > > > Try to disable the bumblebee "turnoff on startup" script, it seems that > > it's not turning off the card correctly, that's why you see this kind of > > message: > > FATAL: Error inserting nvidia_current > > (/lib/modules/2.6.35-30-generic/updates/dkms/nvidia-current.ko): No such > > device > > > > Vga-switcheroo will work when the card is on and usable (nouveau driver > > loaded). > > The workaround to use vga-switcheroo is to unload the nvidia driver, > > load the nouveau driver, call OFF on vga-switcheroo. To turn the card on > > the process is exactly tho opposite: call ON on vga-switcheroo, unload > > the nouveau module, load the nvidia module. > > > > -- > > Joaquín Ignacio Aramendía <samsa...@gmail.com> > > > > El sáb, 16-07-2011 a las 12:16 -0800, Leonardo Morelli escribió: > >> Under kubuntu 10.10 I tried the following: > >> > >> $ sudo service bumblebee stop > >> * Starting Bumblebee X server bumblebee > >> _PS0 Enabling nVidia Card Succeded. > >> FATAL: Error inserting nvidia_current > >> (/lib/modules/2.6.35-30-generic/updates/dkms/nvidia-current.ko): No such > >> device > >> [ OK ] > >> $ sudo rmmod nvidia-current > >> ERROR: Module nvidia_current does not exist in /proc/modules > >> $ sudo modprobe -v nouveau > >> insmod > >> /lib/modules/2.6.35-30-generic/kernel/drivers/gpu/drm/nouveau/nouveau.ko > >> $ dmesg | grep -i vga > >> [26295.530661] VGA switcheroo: detected DSM switching method > >> \_SB_.PCI0.P0P1.PEGP handle > >> > >> the "vgaswitcheroo: enabled" doesn't show up and neither the file > >> /sys/.../vgaswitcheroo*. > >> > >> > >> > >>> -----Original Message----- > >>> From: samsa...@gmail.com > >>> Sent: Sat, 16 Jul 2011 15:39:52 -0300 > >>> To: leo...@inbox.com > >>> Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID: > >>> 10de:0a75 > >>> > >>> Once you mount the debugfs, the /sys/vgaswitcheroo/switch file will > >>> appear when you load the nouveau driver (the vga-switcheroo module will > >>> enable then, detect the DSM method and will handle acpi events from the > >>> nvidia card). > >>> Try this: > >>> https://wiki.archlinux.org/index.php/Bumblebee#Power_Switching_Using_Vga-switcheroo > >>> > >>> -- > >>> Joaquín Ignacio Aramendía <samsa...@gmail.com> > >>> > >>> El sáb, 16-07-2011 a las 07:34 -0800, Leonardo Morelli escribió: > >>>> Tried mounting but mtab says it is already mounted, in fact, I can see > >>>> many directories under /sys/kernel/debug except for vgaswitcheroo... > >>>> > >>>> > >>>>> -----Original Message----- > >>>>> From: samsa...@gmail.com > >>>>> Sent: Sat, 16 Jul 2011 00:56:16 -0300 > >>>>> To: hybrid-graphics-linux@lists.launchpad.net > >>>>> Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID: > >>>>> 10de:0a75 > >>>>> > >>>>> You must mount the debugfs filesystem: > >>>>> # mount -t debugfs none /sys/kernel/debug/ > >>>>> > >>>>> To mount no every boot, add this line to the file "/etc/fstab": > >>>>> none /sys/kernel/debug debugfs defaults 0 0 > >>>>> > >>>>> -- > >>>>> Joaquín Ignacio Aramendía <samsa...@gmail.com> > >>>>> > >>>>> El vie, 15-07-2011 a las 19:24 -0800, Leonardo Morelli escribió: > >>>>>> After reading https://help.ubuntu.com/community/HybridGraphics, > >>>>>> the vga_switcheroo thing is enabled: > >>>>>> > >>>>>> $ grep -i switcheroo /boot/config-2.6.35... > >>>>>> CONFIG_VGA_SWITCHEROO=y > >>>>>> > >>>>>> but the file /sys/kernel/debug/vgaswitcheroo/switch doesn't exist, > >>>>>> nor > >>>>>> even the dir vgaswitcheroo... > >>>>>> (I'm running Kubuntu 10.10) > >>>>>> > >>>>>> Do I need to do something else to make it appear? > >>>>>> > >>>>>> > >>>>>>> -----Original Message----- > >>>>>>> From: samsa...@gmail.com > >>>>>>> Sent: Fri, 15 Jul 2011 23:40:51 -0300 > >>>>>>> To: leo...@inbox.com > >>>>>>> Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID: > >>>>>>> 10de:0a75 > >>>>>>> > >>>>>>> This "error" is spreading. Is related to the methods called to turn > >>>>>>> on/off the card and the kernel being able to recognize the card > >>>>>>> again > >>>>>>> once turned on. This means that either the card was not properly > >>>>>>> shut > >>>>>>> down/turned on, or the kernel does not recognize it properly. Try > >>>>>>> the > >>>>>>> vga-switcheroo switch, it is known to work on some machines with > >>>>>>> that > >>>>>>> problem. > >>>>>>> -- > >>>>>>> Joaquín Ignacio Aramendía <samsa...@gmail.com> > >>>>>>> > >>>>>>> El vie, 15-07-2011 a las 11:48 -0800, Leonardo Morelli escribió: > >>>>>>>> Well, after installing Bumblebee and running optirun glxgears, I > >>>>>>>> got > >>>>>>>> the > >>>>>>>> "FATAL: Error inserting nvidia_current" :s > >>>>>>>> The acpi calls (on and off) are working. > >>>>>>>> > >>>>>>>> The thing is that after checking the /var/log/messages it says: > >>>>>>>> > >>>>>>>> NVRM: The NVIDIA GPU 0000:01:00.0 (PCI ID: 10de:0a75) installed in > >>>>>>>> this > >>>>>>>> system is not supported by the 275.09.07 NVIDIA Linux graphics > >>>>>>>> driver > >>>>>>>> release. > >>>>>>>> > >>>>>>>> but... > >>>>>>>> > >>>>>>>> when I see the /usr/share/doc/nvidia-current/README.txt.gz, this > >>>>>>>> line > >>>>>>>> appears at the APPENDIX A: > >>>>>>>> GeForce 310M 0x0A75 C > >>>>>>>> > >>>>>>>> so, apparently, ID 0x0a75 is supported... > >>>>>>>> > >>>>>>>> Should I file a bug report? > >>>>>>>> > >>>>>>>> > >>>>>>>> Leo > >>>>>>>> > >>>> > >>>> ____________________________________________________________ > >>>> TRY FREE IM TOOLPACK at http://www.imtoolpack.com/default.aspx?rc=if5 > >>>> Capture screenshots, upload images, edit and send them to your friends > >>>> through IMs, post on Twitter®, Facebook®, MySpace™, LinkedIn® – FAST! > >>>> > >>>> _______________________________________________ > >>>> Mailing list: https://launchpad.net/~hybrid-graphics-linux > >>>> Post to : hybrid-graphics-linux@lists.launchpad.net > >>>> Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > >>>> More help : https://help.launchpad.net/ListHelp > >> > >> ____________________________________________________________ > >> Publish your photos in seconds for FREE > >> TRY IM TOOLPACK at http://www.imtoolpack.com/default.aspx?rc=if4 > >> > >> _______________________________________________ > >> Mailing list: https://launchpad.net/~hybrid-graphics-linux > >> Post to : hybrid-graphics-linux@lists.launchpad.net > >> Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > >> More help : https://help.launchpad.net/ListHelp > > ____________________________________________________________ > Send your photos by email in seconds... > TRY FREE IM TOOLPACK at http://www.imtoolpack.com/default.aspx?rc=if3 > Works in all emails, instant messengers, blogs, forums and social networks. > > _______________________________________________ > Mailing list: https://launchpad.net/~hybrid-graphics-linux > Post to : hybrid-graphics-linux@lists.launchpad.net > Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~hybrid-graphics-linux Post to : hybrid-graphics-linux@lists.launchpad.net Unsubscribe : https://launchpad.net/~hybrid-graphics-linux More help : https://help.launchpad.net/ListHelp
