Date: Mon, 27 Mar 2017 10:18:36 -0700 From: list@museum.rain.com To: Arthur Chance <freebsd@qeng-ho.org> Cc: freebsd-questions@freebsd.org Subject: Re: Xorg crashes on startup with "Segmentation fault at address 0x0" [SOLVED] Message-ID: <20170327171836.GA98465@ns.umpquanet.com> In-Reply-To: <e47f4b63-10fe-642b-f4ce-d2dddd886dfa@qeng-ho.org> References: <20170324192024.GA80423@ns.umpquanet.com> <e47f4b63-10fe-642b-f4ce-d2dddd886dfa@qeng-ho.org>
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On Sat, Mar 25, 2017 at 10:13:36AM +0000, Arthur Chance wrote: > On 24/03/2017 19:20, list@museum.rain.com wrote: > > I'm running FreeBSD 11-STABLE on a Dell 7010 with an AMD Radeon graphics > > card. > > > > I recently did a 'pkg upgrade' of kde4, xorg, and dependendents: > > > > pkg upgrade -fR .... > > > > I can no longer start an X server, due to a segmentation fault error on > > X startup. The Xorg.0.log is below. At this point I am simply trying > > to start the X server by running /usr/local/bin/X. I am not yet to the > > point of trying to use startx/startkde to bring up the KDE environment. > > > > I'd like to find out why X is crashing. I am not using an xorg.conf file. [... snip ...] > Use "pkg info -x llvm" to see if you have two versions of llvm present. > If you do, delete the older one. Because of the way some X drivers are > linked you can end up with two llvm runtime systems being used by X and > one of them isn't initialised properly and crashes in calls to the > pthread library, which seems to be what's happening here. > > If it's not that, I'm afraid someone else will have to help. Thank you, Arthur. That was precisely correct. 'pkg info' reported three versions of llvm installed: jimsdesk : 09:43:41 /root# pkg info -x llvm llvm35-3.5.2_2 llvm37-3.7.1_4 llvm39-3.9.1_2 Uninstalling llvm35 and llvm37 fixed the problem. Thank you! Jim
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