>> Yesterday I caught up with portage and updated quite a few packages on >> a remote workstation. The system hadn't been updated for about a >> month. The updates included some xorg stuff and some xfce4 stuff. >> Today when the workstation's user logged in via gdm, she clicked the >> xfce4 "Migrate Config" option, something weird happened, and she ended >> up back on the gdm welcome screen. Now whenever she logs is via gdm, >> the screen immediately goes black and she is routed back to the gdm >> welcome screen again. When I have grsecurity enabled I get this in >> dmesg: >> >> Segmentation fault occurred at 000068e453633fdc in >> /usr/bin/Xorg[X:4777] uid/euid:0/0 gid/egid:0/0, parent >> /usr/sbin/gdm-binary[gdm:4775] uid/euid:0/0 gid/egid:1010/1002 >> >> She also tried skipping gdm and issuing startxfce4 manually but it >> fails in a similar way and displays "disconnected from session >> manager". I get this in Xorg.0.log: >> >> Backtrace: >> [ 74.799] 0: /usr/bin/X (xorg_backtrace+0x28) [0x49eeb8] >> [ 74.799] 1: /usr/bin/X (0x400000+0x62849) [0x462849] >> [ 74.799] 2: /lib/libpthread.so.0 (0x64727eac2000+0xf3f0) [0x64727ead13f0] >> [ 74.800] 3: /usr/lib64/xorg/modules/drivers/nv_drv.so >> (0x64727bed7000+0x112d0) [0x64727bee82d0] >> [ 74.800] 4: /usr/lib64/xorg/modules/libshadowfb.so >> (0x64727a682000+0x3db2) [0x64727a685db2] >> [ 74.800] 5: /usr/bin/X (0x400000+0x2da29) [0x42da29] >> [ 74.800] 6: /usr/bin/X (0x400000+0x2eda9) [0x42eda9] >> [ 74.800] 7: /usr/bin/X (0x400000+0x2475a) [0x42475a] >> [ 74.800] 8: /lib/libc.so.6 (__libc_start_main+0xe6) [0x64727dcb2ba6] >> [ 74.800] 9: /usr/bin/X (0x400000+0x242f9) [0x4242f9] >> [ 74.800] Segmentation fault at address 0x64727462bfdc >> [ 74.800] >> Fatal server error: >> [ 74.800] Caught signal 11 (Segmentation fault). Server aborting >> >> and when grsecurity is enabled I get this in dmesg: >> >> Segmentation fault occurred at 000064727462bfdc in >> /usr/bin/Xorg[X:4647] uid/euid:1003/0 gid/egid:1010/1010, parent >> /usr/bin/xinit[xinit:4646] uid/euid:1003/1003 gid/egid:1010/1010 >> >> I have tried disabling all security options in the kernel but I get >> the same results with the exception of the dmesg info. I tried >> re-emerging xorg-server, xf86-video-nv, xinit, and gdm. Strangely, >> after re-emerging xorg-server and xinit there were files to change in >> etc-update. I don't see how that's possible since I'm caught up with >> emerge -DuN world. revdep-rebuild comes up with nothing. I'm running >> an emerge -e world now. It's weird that the gdm welcome screen will >> load (which implies xorg) but nothing afterward. Any ideas? >> >> - Grant >> > > Please try to run > `strace startx` > and post the output as a file attachment.
Another question, is there anything I need to prepare to make sure the strace works? - Grant
