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X11 freezes and system total hang up on an Lenovo X250 i7-5600U since kernel 4.6.2 (arch linux)

Hey folks, since kernel 4.6.2 I got a lot of X11 freezes as well as unusable gui tools (delayed inputs, scrolling and broken display rendering). Also all the virtual box clients are behaving the same. Only the chromium gui and xterm were usable (well, xterm only on my host, not on the virtual box clients).
I tried my best and here are the changes I made that stopped the system from a total freeze since four days:

run as root

cat /etc/X11/xorg.conf.d/20-intel-graphics.conf < DELIM Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "uxa" Option "NoAccel" "True" EndSection DELIM

I am crossing fingers it is working on your machine also.

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systemd[1]: Failed to start Create Volatile Files and Directories. - on Arch Linux having zfsonlinux as root

I just got the following entry on my boot up today:

systemd[1]: Failed to start Create Volatile Files and Directories.

After a while of searching using my favorit searchengine, I (as usual ;-)) found the most fitting solution in the bbs.archlinux.org.
The solution is given in the manpage of the tmpfiles.d.
tmpfiles.d(5) wrote:

If the administrator wants to disable a configuration file supplied by the vendor, the recommended way is to place a symlink to /dev/null in /etc/tmpfiles.d/ bearing the same filename.

So all you have to do is:

sudo su

cd /usr/lib/tmpfiles.d

cp journal-nocow.conf journal-nocow.conf.bak

rm journal-nocow.conf.bak

ln -s /dev/null journal-nocow.conf


And thats it. Fingers crossed you system will boot without errors.

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zfsonlinux and kernel 3.6.6-1-ARCH

I run into a lot of trouble when i try to compile and want to run the current state of zfsonlinux. I tried a lot and by spending more time then expected and doing configurations/script adaptations i real don't understand 100 percent, i was able to keep things running. Nevertheless, i am happy that the aur package from zfsonlinux is updated a few hours ago. While writing, i have finished the building and now my zfs is up and running smoothly :-).

Back on the trusted aur package site of arch linux, you just have to follow a few steps to keep your zfs back online. Following are the links to the the aur package, followed by the git source file and the aur pacman informations you need for building (makepkg).

spl-uitls http://github.com/downloads/zfsonlinux/spl/spl-0.6.0-rc12.tar.gz https://aur.archlinux.org/packages/sp/spl-utils/spl-utils.tar.gz

spl http://github.com/downloads/zfsonlinux/spl/spl-0.6.0-rc12.tar.gz https://aur.archlinux.org/packages/sp/spl/spl.tar.gz

zfs-utils http://github.com/downloads/zfsonlinux/zfs/zfs-0.6.0-rc12.tar.gz https://aur.archlinux.org/packages/zf/zfs-utils/zfs-utils.tar.gz

zfs http://github.com/downloads/zfsonlinux/zfs/zfs-0.6.0-rc12.tar.gz https://aur.archlinux.org/packages/zf/zfs/zfs.tar.gz

Thanks again to the team of zfsonlinux.org and also to the aur package maintainer demizer (including every member of his team) by providing this easy way of using this great filesystem on linux.

Not perfectly matching but also worth a look, at the EuroBSDcon, there was a session about "tuning ZFS on FreeBSD". It is FreeBSD but take some minutes and take a look at the slides. The more you know about zfs, the more you can handle it (and praise a bit to the r.i.p. company sun of course).

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