Public bug reported:
Executing lscpu on Ubuntu 12.10 (x86) on intel atom processor caused
lscpu to crash with an error message "floating point exception (core
dumped) lscpu".
Output from strace:
% strace lscpu
execve("/usr/bin/lscpu", ["lscpu"], [/* 41 vars */]) = 0
brk(0) = 0x94e9000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb774d000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=82866, ...}) = 0
mmap2(NULL, 82866, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7738000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/i386-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000\226\1\0004\0\0\0"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1730024, ...}) = 0
mmap2(NULL, 1743580, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xb758e000
mprotect(0xb7731000, 4096, PROT_NONE) = 0
mmap2(0xb7732000, 12288, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a3) = 0xb7732000
mmap2(0xb7735000, 10972, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7735000
close(3) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb758d000
set_thread_area({entry_number:-1 -> 6, base_addr:0xb758d900, limit:1048575,
seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0,
useable:1}) = 0
mprotect(0xb7732000, 8192, PROT_READ) = 0
mprotect(0x804f000, 4096, PROT_READ) = 0
mprotect(0xb7770000, 4096, PROT_READ) = 0
munmap(0xb7738000, 82866) = 0
brk(0) = 0x94e9000
brk(0x950a000) = 0x950a000
open("/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=8748544, ...}) = 0
mmap2(NULL, 2097152, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb738d000
mmap2(NULL, 4096, PROT_READ, MAP_PRIVATE, 3, 0x5e0) = 0xb774c000
close(3) = 0
open("/proc/cpuinfo", O_RDONLY|O_LARGEFILE) = 3
uname({sys="Linux", node="owl", ...}) = 0
access("/sys/devices/system/cpu/cpu0", F_OK) = 0
access("/sys/devices/system/cpu/cpu1", F_OK) = 0
access("/sys/devices/system/cpu/cpu2", F_OK) = -1 ENOENT (No such file or
directory)
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb774b000
read(3, "processor\t: 0\nvendor_id\t: Genuin"..., 1024) = 1024
read(3, " 1\ninitial apicid\t: 1\nfdiv_bug\t:"..., 1024) = 514
read(3, "", 1024) = 0
close(3) = 0
munmap(0xb774b000, 4096) = 0
access("/sys/devices/system/cpu/kernel_max", F_OK) = 0
open("/sys/devices/system/cpu/kernel_max", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb774b000
read(3, "7\n", 4096) = 2
close(3) = 0
munmap(0xb774b000, 4096) = 0
access("/sys/devices/system/cpu/online", F_OK) = 0
open("/sys/devices/system/cpu/online", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb774b000
read(3, "0-1\n", 4096) = 4
close(3) = 0
munmap(0xb774b000, 4096) = 0
access("/sys/devices/system/cpu/cpu0/topology/thread_siblings", F_OK) = 0
open("/sys/devices/system/cpu/cpu0/topology/thread_siblings",
O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb774b000
read(3, "03\n", 4096) = 3
close(3) = 0
munmap(0xb774b000, 4096) = 0
open("/sys/devices/system/cpu/cpu0/topology/core_siblings",
O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xb774b000
read(3, "01\n", 4096) = 3
close(3) = 0
munmap(0xb774b000, 4096) = 0
access("/sys/devices/system/cpu/cpu0/topology/book_siblings", F_OK) = -1 ENOENT
(No such file or directory)
--- SIGFPE (Floating point exception) @ 0 (0) ---
+++ killed by SIGFPE (core dumped) +++
zsh: floating point exception (core dumped) strace lscpu
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: util-linux 2.20.1-5.1ubuntu2
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
ApportVersion: 2.6.1-0ubuntu6
Architecture: i386
Date: Tue Oct 30 15:37:15 2012
InstallationDate: Installed on 2012-10-18 (11 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/usr/bin/zsh
SourcePackage: util-linux
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: util-linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 quantal running-unity
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1073092
Title:
lscpu crashed on intel atom processor
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1073092/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
