execve("/home/paul/.guix-profile/bin/less", ["less"], [/* 55 vars */]) = 0 brk(NULL) = 0x1319000 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99bd00c000 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) open("/home/paul/GNUstep/Library/Libraries/tls/x86_64/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) stat("/home/paul/GNUstep/Library/Libraries/tls/x86_64", 0x7ffd3128db80) = -1 ENOENT (No such file or directory) open("/home/paul/GNUstep/Library/Libraries/tls/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) stat("/home/paul/GNUstep/Library/Libraries/tls", 0x7ffd3128db80) = -1 ENOENT (No such file or directory) open("/home/paul/GNUstep/Library/Libraries/x86_64/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) stat("/home/paul/GNUstep/Library/Libraries/x86_64", 0x7ffd3128db80) = -1 ENOENT (No such file or directory) open("/home/paul/GNUstep/Library/Libraries/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) stat("/home/paul/GNUstep/Library/Libraries", 0x7ffd3128db80) = -1 ENOENT (No such file or directory) open("/usr/lib/tls/x86_64/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) stat("/usr/lib/tls/x86_64", 0x7ffd3128db80) = -1 ENOENT (No such file or directory) open("/usr/lib/tls/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) stat("/usr/lib/tls", 0x7ffd3128db80) = -1 ENOENT (No such file or directory) open("/usr/lib/x86_64/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) stat("/usr/lib/x86_64", 0x7ffd3128db80) = -1 ENOENT (No such file or directory) open("/usr/lib/libncursesw.so.6", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\260u\1\0\0\0\0\0"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=444680, ...}) = 0 mmap(NULL, 2542224, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f99bcb81000 mprotect(0x7f99bcbe8000, 2097152, PROT_NONE) = 0 mmap(0x7f99bcde8000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x67000) = 0x7f99bcde8000 close(3) = 0 open("/usr/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p*\0\0\0\0\0\0"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0644, st_size=721704, ...}) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99bd00b000 mmap(NULL, 2185552, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f99bc96b000 mprotect(0x7f99bc981000, 2093056, PROT_NONE) = 0 mmap(0x7f99bcb80000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7f99bcb80000 close(3) = 0 open("/usr/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\10\2\0\0\0\0\0"..., 832) = 832 fstat(3, {st_mode=S_IFREG|0755, st_size=1960968, ...}) = 0 mmap(NULL, 3803440, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f99bc5ca000 mprotect(0x7f99bc761000, 2097152, PROT_NONE) = 0 mmap(0x7f99bc961000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x197000) = 0x7f99bc961000 mmap(0x7f99bc967000, 14640, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f99bc967000 close(3) = 0 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99bd00a000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99bd009000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f99bd008000 arch_prctl(ARCH_SET_FS, 0x7f99bd009700) = 0 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} --- +++ killed by SIGSEGV (core dumped) +++ zsh: segmentation fault (core dumped) strace less &> strace-less.log