Package: mount
Version: 2.19.1-5
Severity: important
File: /bin/umount
I've noticed that a force unmount of a NFS filesystem is hanging
forever, and strace shows why:
# strace umount -f /mnt/portal-dev/customer-portal
...
getuid() = 0
geteuid() = 0
readlink("/mnt", 0x7fff76e912f0, 4096) = -1 EINVAL (Invalid argument)
readlink("/mnt/portal-dev", 0x7fff76e912f0, 4096) = -1 EINVAL (Invalid argument)
readlink("/mnt/portal-dev/customer-portal", 0x7fff76e912f0, 4096) = -1 EINVAL
(Invalid argument)
stat("/mnt/portal-dev/customer-portal",
--no-canonicalize doesn't help.
The trivial C program below works fine, so there is no reason for umount
to fail:
#include <sys/mount.h>
int main() {
const char p[] = "/mnt/portal-dev/customer-portal";
umount2(p, MNT_FORCE);
umount2(p, MNT_FORCE);
return 0;
}
-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (500, 'testing'), (200, 'unstable'), (150, 'stable'), (100,
'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 3.0.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages mount depends on:
ii libblkid1 2.19.1-5
ii libc6 2.13-18
ii libmount1 2.19.1-5
ii libselinux1 2.1.0-1
ii libsepol1 2.1.0-1.1
mount recommends no packages.
Versions of packages mount suggests:
ii nfs-common 1:1.2.4-1
-- no debconf information
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