looks like a duplicate of Bug #1124250
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https://bugs.launchpad.net/bugs/1383223
Title:
nfs4 krb5
Status in linux-lts-trusty package in Ubuntu:
New
Bug description:
Since upgrading 12.04 to 3.13. series kernels I have severe problems with my
nfs4 mounts:
dmesg states a lot of audit messages like
type=1702 audit(1413796772.963:54): op=linkat ppid=10428 pid=11265
auid=4294967295 uid=1001 gid=1001 euid=1001 suid=1001 fsuid=1001 egid=1001
sgid=8 fsgid=1001 tty=(none) ses=4294967295 comm="lockfile"
exe="/usr/bin/lockfile" res=0
and
type=1302 audit(1413796772.963:55): item=0 name="/var/mail/_BwC.kONRUB.xxx"
inode=737698 dev=00:18 mode=0100444 ouid=4294967294 ogid=4294967294 rdev=00:00
nametype=NORMAL
When looking in the nfs4-mounted directory, I see this files also with the
wrong uid/gid of 4294967294:
ls -l /var/mail/_*
-r--r--r-- 1 4294967294 4294967294 1 Oct 20 11:06 /var/mail/_0mC.RCNRUB.xxxx
-r--r--r-- 1 4294967294 4294967294 1 Oct 20 11:19 /var/mail/_2vC.aONRUB.xxxx
-r--r--r-- 1 4294967294 4294967294 1 Oct 20 11:19 /var/mail/_BwC.kONRUB.xxxx
After some segfaults of Browser[] like:
dmesg:
Browser[11989]: segfault at 0 ip 00007f3368b4935c sp 00007fff16ef41c0 error 6
in libmozalloc.so[7f3368b48000+2000]
the system resumes normal operation and ls shows again
ls -l /var/mail/_*
-r--r--r-- 1 myuid mygid 1 Oct 20 11:06 /var/mail/_0mC.RCNRUB.xxxx
-r--r--r-- 1 myuid mygid 1 Oct 20 11:19 /var/mail/_2vC.aONRUB.xxxx
-r--r--r-- 1 myuid mygid 1 Oct 20 11:19 /var/mail/_BwC.kONRUB.xxxx
The files system is mounted with nfsv4/krb5/ldap.
When this messages appear, the locking of the mail-file is not
possible.
Using linux-3.11 does not show this behavior.
Best regards,
Stef
lsb_release -rd
Description: Ubuntu 12.04.5 LTS
Release: 12.04
apt-cache policy linux-image-3.13.0-37
linux-image-3.13.0-37-generic-lpae:
Installed: (none)
Candidate: (none)
Version table:
linux-image-3.13.0-37-generic:
Installed: 3.13.0-37.64~precise1
Candidate: 3.13.0-37.64~precise1
Version table:
*** 3.13.0-37.64~precise1 0
500 http://de.archive.ubuntu.com/ubuntu/ precise-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64
Packages
100 /var/lib/dpkg/status
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