On 08/29/2012 02:33 PM, Tom Callaway wrote: > On 08/29/2012 09:25 AM, Gerry Reno wrote: > >> DirectFB says that there are Fedora packaging errors which are causing the undefined symbol on XUnlockDisplay and >> inability to run as normal user. > Upstream is wrong, btw. > > The dlopen problem is caused by the fact that they don't pass the > $(X11VDPAU_LIBS) to the LDFLAGS for linking libdirectfb_vdpau.la. > > The core issue behind why dfbinfo doesn't run as a "normal" user is due > to the fact that the Linux kernel requires CAP_SYS_TTY_CONFIG to do any > TTY ioctl() calls. UID 0 (root) has that, but normal users do not. It is > possible to give a binary that capability using the "setcap" command. > > The missing udev rules also factor into this, I suspect. > > Last but not least, I believe a normal user needs to be in at least the > "tty" and "video" groups. (and they need to be active, as reported by > `groups`). Since there is no real way to handle this in the package, it > just needs to be done by any user who wants to use dfbinfo: > > usermod -a -G tty video USERNAME > > I made an updated package (1.6.1) that has these fixes applied and sets > the CAP_SYS_TTY_CONFIG capability to the dfbinfo binary. (Other DirectFB > binaries probably need the same magic, but as I am not a DirectFB user, > I can't really say which ones.) > > Please note that I could only get the dfbinfo results as an unprivileged > user from the console (not from within X), and those results are not > identical to what I get when I run it as root. When I tried to run it > from X, my X session crashed and the kernel panicked. Good times. :) > > Anyways, Gerry, please test and let me know if these packages work for > you, and once I hear back, I'll push out updates. > > http://koji.fedoraproject.org/koji/taskinfo?taskID=4435408 > > ~tom > > == > Fedora Project > Thanks Tom. I'll try to check your updates later today and report back. Gerry -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
