id summary reporter owner description type status priority milestone component version resolution keywords cc os architecture failure difficulty testcase blockedby blocking related 1030 ghc-6.6 crashed after being built on linux (fedora core) newsham igloo "I downloaded ghc-6.6 source and built it from ghc-6.4.2 (which I previously built on this same machine). The newly built binary doesnt work. {{{ root@discover# ghc-6.6 Segmentation fault }}} Upon investigation it looks like the stage1 compiler doesnt crash but the stage2 compiler does: {{{ root@discover# compiler/stage1/ghc-6.6 ghc-6.6: missing -B option root@discover# compiler/stage2/ghc-6.6 Segmentation fault }}} {{{ root@discover# gdb compiler/stage2/ghc-6.6 GNU gdb Red Hat Linux (6.0post-0.20040223.19rh) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type ""show copying"" to see the conditions. There is absolutely no warranty for GDB. Type ""show warranty"" for details. This GDB was configured as ""i386-redhat-linux-gnu""...(no debugging symbols found)...Using host libthread_db library ""/lib/libthread_db.so.1"". (gdb) run Starting program: /root/src/ghc-6.6/compiler/stage2/ghc-6.6 Error while mapping shared library sections: : Success. Error while reading shared library symbols: : No such file or directory. (no debugging symbols found)...(no debugging symbols found)...[Thread debugging using libthread_db enabled] [New Thread 16384 (LWP 2783)] Error while reading shared library symbols: : No such file or directory. Error while reading shared library symbols: : No such file or directory. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 16384 (LWP 2783)] 0x00421d3b in __pthread_clock_gettime () from /lib/i686/libpthread.so.0 (gdb) where #0 0x00421d3b in __pthread_clock_gettime () from /lib/i686/libpthread.so.0 #1 0x00dc0331 in clock_gettime () from /lib/i686/librt.so.1 #2 0x0888fb4d in getThreadCPUTime () #3 0xfef8a508 in ?? () #4 0x0888fe26 in initMutex () #5 0x0a5bddd4 in ?? () #6 0x00000000 in ?? () (gdb) x/32x $esp 0xfef8a3c4: 0x1712409a 0x00000000 0x00000003 0x29a79300 0xfef8a3d4: 0x006ec840 0x00421cf0 0x00dc3ff4 0x00000003 0xfef8a3e4: 0x00000000 0xfef8a428 0x00dc0331 0x00000003 0xfef8a3f4: 0x29a79300 0x00000000 0xfef8a448 0x00dbc7ec 0xfef8a404: 0x0a5bdd88 0x29a79300 0x00000000 0xffffffff 0xfef8a414: 0x006ec840 0x00000000 0x0a5bdd88 0xfef8a4f0 0xfef8a424: 0x00000001 0xfef8a508 0x0888fb4d 0x00000003 0xfef8a434: 0xfef8a448 0xfef8a508 0x0888fe26 0x0a5bddd4 (gdb) x/4i $eip 0x421d3b <__pthread_clock_gettime+75>: mov %eax,(%edx) 0x421d3d <__pthread_clock_gettime+77>: mov 0x8(%ebp),%edx 0x421d40 <__pthread_clock_gettime+80>: mov %ecx,0xc(%esp) 0x421d44 <__pthread_clock_gettime+84>: mov %esi,(%esp) (gdb) info reg eax 0x0 0 ecx 0x29a79300 698848000 edx 0x0 0 ebx 0x424ff4 4345844 esp 0xfef8a3c4 0xfef8a3c4 ebp 0xfef8a3e8 0xfef8a3e8 esi 0x1712409a 387072154 edi 0x0 0 eip 0x421d3b 0x421d3b eflags 0x10286 66182 cs 0x73 115 ss 0x7b 123 ds 0x7b 123 es 0x7b 123 fs 0x0 0 gs 0x33 51 }}} About my environment: {{{ newsham@discover$ uname -a Linux discover.x0d99.com 2.6.5-1.358 #1 Sat May 8 09:04:50 EDT 2004 i686 athlon i386 GNU/Linux newsham@discover$ cat /etc/fedora-release Fedora Core release 2 (Tettnang) newsham@discover$ gcc -v Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.3.3/specs Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --disable-libunwind-exceptions --with-system-zlib --enable-__cxa_atexit --host=i386-redhat-linux Thread model: posix gcc version 3.3.3 20040412 (Red Hat Linux 3.3.3-7) }}}" merge closed normal 6.6.1 Compiler 6.6 fixed crash Linux x86 Unknown