On Saturday, April 06, 2013 02:27:54 PM you wrote:
> Hello V.Krishn,
>
> "V.Krishn":
> > umount -f u
> > or
> > umount -f ro
> >
> > Keep getting following error:
> > umount2: Stale NFS file handle
> > umount: u/: Stale NFS file handle
> >
> > I am using Knoppix 7.0.1.
>
> Unforunately I am not a Knoppix user. What is your kernel version and
Linux Microknoppix 3.3.7-64 #40 SMP PREEMPT Tue May 22 08:47:38 CEST 2012
x86_64 GNU/Linux
> aufs version?
How to get this?
> And what is the filesystem of your /tmp?
tmpfs
but now have tried on ext3 also with same result.
> Did you install aufs-util which contains /sbin/umount.aufs?
yes, did aufs-tools_3.0+20120411-2_i386.deb
auplink ./u flush
gives error:
auplink:auplink.c:60: chdir: Stale NFS file handle
> If you can run "strace umount u", then show me its output please.
execve("//bin/umount", ["umount", "u"], [/* 22 vars */]) = 0
brk(0) = 0x805b000
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) =
0xf7776000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=144282, ...}) = 0
mmap2(NULL, 144282, PROT_READ, MAP_PRIVATE, 3, 0) = 0xf7752000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/i386-linux-gnu/libblkid.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0PD\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=162240, ...}) = 0
mmap2(NULL, 165004, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xf7729000
mmap2(0xf774f000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x25) = 0xf774f000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/i386-linux-gnu/libmount.so.1", O_RDONLY) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200Y\0\0004\0\0\0"..., 512) =
512
fstat64(3, {st_mode=S_IFREG|0644, st_size=166236, ...}) = 0
mmap2(NULL, 164880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xf7700000
mmap2(0xf7727000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x27) = 0xf7727000
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) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0po\1\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1331336, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xf76ff000
mmap2(NULL, 1345848, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xf75b6000
mprotect(0xf76f8000, 4096, PROT_NONE) = 0
mmap2(0xf76f9000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x142) = 0xf76f9000
mmap2(0xf76fc000, 10552, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_ANONYMOUS, -1, 0) = 0xf76fc000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/i386-linux-gnu/libuuid.so.1", O_RDONLY) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260\22\0\0004\0\0\0"..., 512)
= 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=18000, ...}) = 0
mmap2(NULL, 20712, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xf75b0000
mmap2(0xf75b4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x3) = 0xf75b4000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/i386-linux-gnu/libselinux.so.1", O_RDONLY) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360O\0\0004\0\0\0"..., 512) =
512
fstat64(3, {st_mode=S_IFREG|0644, st_size=124996, ...}) = 0
mmap2(NULL, 130140, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xf7590000
mmap2(0xf75ae000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x1d) = 0xf75ae000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/i386-linux-gnu/libsepol.so.1", O_RDONLY) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0208\0\0004\0\0\0"..., 512) =
512
fstat64(3, {st_mode=S_IFREG|0644, st_size=268512, ...}) = 0
mmap2(NULL, 272736, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xf754d000
mmap2(0xf758e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x40) = 0xf758e000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/i386-linux-gnu/libdl.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0`\n\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=9844, ...}) = 0
mmap2(NULL, 12408, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0xf7549000
mmap2(0xf754b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|
MAP_DENYWRITE, 3, 0x1) = 0xf754b000
close(3) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xf7548000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xf7547000
set_thread_area({entry_number:-1 -> 12, base_addr:0xf7547750, limit:1048575,
seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1,
seg_not_present:0, useable:1}) = 0
mprotect(0xf754b000, 4096, PROT_READ) = 0
mprotect(0xf758e000, 4096, PROT_READ) = 0
mprotect(0xf75ae000, 4096, PROT_READ) = 0
mprotect(0xf75b4000, 4096, PROT_READ) = 0
mprotect(0xf76f9000, 8192, PROT_READ) = 0
mprotect(0xf7727000, 4096, PROT_READ) = 0
mprotect(0xf774f000, 8192, PROT_READ) = 0
mprotect(0x8058000, 4096, PROT_READ) = 0
mprotect(0xf7793000, 4096, PROT_READ) = 0
munmap(0xf7752000, 144282) = 0
statfs64("/sys/fs/selinux", 84, 0xfff9febc) = -1 ENOENT (No such file or
directory)
statfs64("/selinux", 84, 0xfff9febc) = -1 ENOENT (No such file or
directory)
brk(0) = 0x805b000
brk(0x807c000) = 0x807c000
open("/proc/filesystems", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xf7775000
read(3, "nodev\tsysfs\nnodev\trootfs\nnodev\tb"..., 1024) = 411
read(3, "", 1024) = 0
close(3) = 0
munmap(0xf7775000, 4096) = 0
umask(022) = 022
getuid32() = 0
geteuid32() = 0
getcwd("/tmp", 4095) = 5
readlink("/tmp/u", 0xfff9de59, 4096) = -1 ESTALE (Stale NFS file handle)
getuid32() = 0
geteuid32() = 0
getgid32() = 0
getegid32() = 0
prctl(PR_GET_DUMPABLE) = 1
lstat64("/etc/mtab", {st_mode=S_IFLNK|0777, st_size=12, ...}) = 0
open("/proc/self/mountinfo", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xf7775000
read(3, "1 1 0:1 / / rw,relatime - rootfs"..., 1024) = 1024
read(3, " 1 0:20 / /dev rw,relatime - tmp"..., 1024) = 305
read(3, "", 1024) = 0
close(3) = 0
munmap(0xf7775000, 4096) = 0
getuid32() = 0
geteuid32() = 0
getgid32() = 0
getegid32() = 0
prctl(PR_GET_DUMPABLE) = 1
stat64("/run", {st_mode=S_IFDIR|0755, st_size=300, ...}) = 0
stat64("/run/mount/utab", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
open("/run/mount/utab", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0xf7775000
read(3, "", 4096) = 0
close(3) = 0
munmap(0xf7775000, 4096) = 0
readlink("/dev", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev/loop0", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
getcwd("/tmp", 4095) = 5
readlink("/tmp/udev", 0xfff9de29, 4096) = -1 ENOENT (No such file or
directory)
getcwd("/tmp", 4095) = 5
readlink("/tmp/unionfs", 0xfff9de29, 4096) = -1 ENOENT (No such file or
directory)
getcwd("/tmp", 4095) = 5
readlink("/tmp/unionfs", 0xfff9de29, 4096) = -1 ENOENT (No such file or
directory)
getcwd("/tmp", 4095) = 5
readlink("/tmp/unionfs", 0xfff9de29, 4096) = -1 ENOENT (No such file or
directory)
readlink("/dev", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev/cloop2", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev/cloop1", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev/cloop", "cloop0", 4096) = 6
readlink("/dev/cloop0", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev/sda1", 0xfff9de29, 4096) = -1 EINVAL (Invalid argument)
getcwd("/tmp", 4095) = 5
readlink("/tmp/rootfs", 0xfff9de29, 4096) = -1 ENOENT (No such file or
directory)
stat64("u", 0xfff9fef0) = -1 ESTALE (Stale NFS file handle)
stat64("/sbin/umount.u", 0xfff9fd34) = -1 ENOENT (No such file or
directory)
rt_sigprocmask(SIG_BLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
oldumount("u") = -1 ESTALE (Stale NFS file handle)
rt_sigprocmask(SIG_UNBLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
write(2, "umount: u: Stale NFS file handle", 32) = 32
write(2, "\n", 1) = 1
exit_group(1) = ?
--
Regards.
V.Krishn
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