Date: Sat, 19 May 2012 08:57:36 +0530 From: Gautam <list@execve.net> To: freebsd-x11@freebsd.org Subject: New Xorg crashes when built with clang Message-ID: <CAD9pFYAhYJdkyDiLJd6D1fdPo161OiWaRfp8Nq2J0R_ZSdAdBg@mail.gmail.com>
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Hi, I am running 9/stable with a clang world+kernel and also with all ports built with clang where possible. I am running xfce and when I click on the firefox launcher, X freezes -- I get a bizzare range of colours and it seems that the X server has crashed. The machine is still responsive via the network, I am able to ssh etc. I finally isolated the culprit to x11-servers/xorg-server which works fine when I build it with base gcc, but has this bad behaviour when I build it with clang. uname -a FreeBSD mellon 9.0-STABLE FreeBSD 9.0-STABLE #0 r235508M: Thu May 17 12:07:49 IST 2012 root@mellon:/usr/obj/usr/src/sys/MYKERNEL amd64 MYKERNEL only has ACPI_DEBUG enabled on top of GENERIC. Please note that I am using the drm-all.13.7-stable9.1.patch on top of r235508. I have uploaded a tarball containing the required configuration files, logs as well as sysctl dumps. http://www.execve.net/showcase/x.crash.18052012_01/xcrash.txz $ tar Jtf xcrash.txz clangports.conf # ports configured with gcc go here hw.dri.0.info_after.txt # before the crash. hw.dri.0.info_before.txt # after the crash via another ssh conn make.conf messages # after dri.debug=3 pciconf-lvb.txt src.conf Xorg.0.log.old I could not find a core file from Xorg, but the Xorg.log file does indicate a SEGV. Any idea on this problem? Do let me know if any further information is required; The problem is fully reproducible. Thanks in advance! Gautam
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