Hi,
I applied the patch, but I am still getting the same error. This is the
strace with the -f option:
83 execve("/bin/mount", ["/bin/mount", "-n", "-t", "aufs", "-o",
"br:/memfs/rootfs=rw:/memfs/initr"..., "aufs", "/memfs/union"], [/* 11 vars
*/]) = 0
83 brk(0) = 0x1f19000
83 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
83 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f204fd66000
83 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
83 open("/etc/ld.so.cache", O_RDONLY) = 3
83 fstat(3, {st_mode=S_IFREG|0644, st_size=11860, ...}) = 0
83 mmap(NULL, 11860, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f204fd63000
83 close(3) = 0
83 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
83 open("/lib/libblkid.so.1", O_RDONLY) = 3
83 read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220^\0\0\0\0\0\0"...,832)=
832
83 fstat(3, {st_mode=S_IFREG|0644, st_size=128256, ...}) = 0
83 mmap(NULL, 2223432, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f204f92c000
83 mprotect(0x7f204f948000, 2097152, PROT_NONE) = 0
83 mmap(0x7f204fb48000, 12288, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1c000) = 0x7f204fb48000
83 close(3) = 0
83 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
83 open("/lib/libuuid.so.1", O_RDONLY) = 3
83 read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360\25\0\0\0\0\0\0"...,832)
= 832
83 fstat(3, {st_mode=S_IFREG|0644, st_size=15720, ...}) = 0
83 mmap(NULL, 2110736, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f204f728000
83 mprotect(0x7f204f72c000, 2093056, PROT_NONE) = 0
83 mmap(0x7f204f92b000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f204f92b000
83 close(3) = 0
83 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
83 open("/lib/libselinux.so.1", O_RDONLY) = 3
83 read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360]\0\0\0\0\0\0"...,832)=
832
83 fstat(3, {st_mode=S_IFREG|0644, st_size=117848, ...}) = 0
83 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f204fd62000
83 mmap(NULL, 2217744, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f204f50a000
83 mprotect(0x7f204f526000, 2093056, PROT_NONE) = 0
83 mmap(0x7f204f725000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b000) = 0x7f204f725000
83 mmap(0x7f204f727000, 1808, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f204f727000
83 close(3) = 0
83 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
83 open("/lib/libsepol.so.1", O_RDONLY) = 3
83 read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\0\0\0\0\0\0\0"...,832)=
832
83 fstat(3, {st_mode=S_IFREG|0644, st_size=241880, ...}) = 0
83 mmap(NULL, 245600, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f204fd26000
83 mmap(0x7f204fd61000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3a000) = 0x7f204fd61000
83 close(3) = 0
83 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
83 open("/lib/libc.so.6", O_RDONLY) = 3
83 read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\355\1\0\0\0\0\0"...,832)=
832
83 fstat(3, {st_mode=S_IFREG|0755, st_size=1432968, ...}) = 0
83 mmap(NULL, 3541032, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f204f1a9000
83 mprotect(0x7f204f301000, 2093056, PROT_NONE) = 0
83 mmap(0x7f204f500000, 20480, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x157000) = 0x7f204f500000
83 mmap(0x7f204f505000, 18472, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f204f505000
83 close(3) = 0
83 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
83 open("/lib/libdl.so.2", O_RDONLY) = 3
83 read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\340\r\0\0\0\0\0\0"...,832)
= 832
83 fstat(3, {st_mode=S_IFREG|0644, st_size=14696, ...}) = 0
83 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f204fd25000
83 mmap(NULL, 2109696, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3,
0) = 0x7f204efa5000
83 mprotect(0x7f204efa7000, 2097152, PROT_NONE) = 0
83 mmap(0x7f204f1a7000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f204f1a7000
83 close(3) = 0
83 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f204fd24000
83 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f204fd22000
83 arch_prctl(ARCH_SET_FS, 0x7f204fd227e0) = 0
83 mprotect(0x7f204f1a7000, 4096, PROT_READ) = 0
83 mprotect(0x7f204f500000, 16384, PROT_READ) = 0
83 mprotect(0x7f204f725000, 4096, PROT_READ) = 0
83 mprotect(0x7f204fd68000, 4096, PROT_READ) = 0
83 munmap(0x7f204fd63000, 11860) = 0
83 statfs("/selinux", {f_type=0x73717368, f_bsize=1048576, f_blocks=42,
f_bfree=0, f_bavail=0, f_files=11090, f_ffree=0, f_fsid={256, 0},
f_namelen=256, f_frsize=1048576}) = 0
83 brk(0) = 0x1f19000
83 brk(0x1f3a000) = 0x1f3a000
83 open("/proc/filesystems", O_RDONLY) = 3
83 fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
83 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f204fd65000
83 read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 335
83 close(3) = 0
83 munmap(0x7f204fd65000, 4096) = 0
83 open("/proc/mounts", O_RDONLY) = 3
83 fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
83 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x7f204fd65000
83 read(3, "rootfs / rootfs rw 0 0\n/dev/root"..., 1024) = 294
83 read(3, "", 1024) = 0
83 close(3) = 0
83 munmap(0x7f204fd65000, 4096) = 0
83 umask(022) = 022
83 open("/dev/null", O_RDWR) = 3
83 close(3) = 0
83 getuid() = 0
83 geteuid() = 0
83 getcwd("/tmp", 4095) = 5
83 readlink("/tmp/aufs", 0x7fff4ef8a870, 4096) = -1 ENOENT (No such file
or directory)
83 stat("/sbin/mount.aufs", {st_mode=S_IFREG|0755, st_size=721392, ...})
= 0
83 clone(child_stack=0,
flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0x7f204fd22ab0) = 84
83 wait4(-1, <unfinished ...>
84 getgid() = 0
84 setgid(0) = 0
84 getuid() = 0
84 setuid(0) = 0
84 execve("/sbin/mount.aufs", ["/sbin/mount.aufs", "aufs",
"/memfs/union", "-n", "-o", "rw,br:/memfs/rootfs=rw:/memfs/in"...], [/* 10
vars */]) = 0
84 uname({sys="Linux", node="(none)", ...}) = 0
84 open("/dev/tty", O_RDWR|O_NOCTTY|O_NONBLOCK) = -1 ENXIO (No such
device or address)
84 --- SIGSEGV (Segmentation fault) @ 0 (0) ---
83 <... wait4 resumed> [{WIFSIGNALED(s) && WTERMSIG(s) == SIGSEGV &&
WCOREDUMP(s)}], 0, NULL) = 84
83 --- SIGCHLD (Child exited) @ 0 (0) ---
83 exit_group(2) = ?
Thanks, Jane
On 06/19/12, [email protected] wrote:
[1][email protected]:
> You forgot "-f" option for strace.
I've found one possibility of a problem.
Although I don't know whether it is the cause of your problem, I think
it is worth to try this patch.
J. R. Okajima
diff --git a/mount.aufs.c b/mount.aufs.c
index 2188187..5495599 100644
--- a/mount.aufs.c
+++ b/mount.aufs.c
@@ -110,7 +110,7 @@ static void do_mount(char *dev, char *mntpnt, int argc,
char *argv[],
unsigned char flags[])
{
int i;
- const int ac = argc + 7;
+ const int ac = argc + 10;
char *av[ac], **a;
/* todo: eliminate the duplicated options */
References
1. mailto:[email protected]
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