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Bug 1130977 - [nfstest] Segmentation fault when do test nfstest_posix
Summary: [nfstest] Segmentation fault when do test nfstest_posix
Keywords:
Status: CLOSED DUPLICATE of bug 1284678
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: nfstest
Version: 7.1
Hardware: All
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Steve Dickson
QA Contact: JianHong Yin
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-08-18 10:35 UTC by JianHong Yin
Modified: 2016-02-23 15:04 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-02-11 16:23:16 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description JianHong Yin 2014-08-18 10:35:43 UTC 
Description of problem:
Segmentation fault when do test nfstest_posix:
*** Verify POSIX API opendir() on NFSv4
Segmentation fault (core dumped)

Version-Release number of selected component (if applicable):
------------------------------------------------
Time & CURDIR : [2014-08-18 05:56:24 @/mnt/tests/kernel/filesystems/nfs/regression/nfstest]
Case Name     : /kernel/filesystems/nfs/regression/nfstest
$HOSTNAME     : ibm-z10-31.rhts.eng.bos.redhat.com
Distro Info   : RedHatEnterpriseServer 7.0 : RHEL-7.0-20140507.0
NVR & host    : Linux ibm-z10-31.rhts.eng.bos.redhat.com 3.10.0-123.el7
cmdline       :
	rd.dasd=0.0.21aa rd.lvm.lv=rhel_ibm-z10-31/root rd.dasd=0.0.20aa root=/dev/mapper/rhel_ibm--z10--31-root crashkernel=auto  rd.dasd=0.0.23aa rd.lvm.lv=rhel_ibm-z10-31/boot rd.dasd=0.0.22aa vconsole.keymap=us vconsole.font=latarcyrheb-sun16 rd.lvm.lv=rhel_ibm-z10-31/swap LANG=en_US.UTF-8 BOOT_IMAGE=0
Package Info  :
	libnfsidmap-0.25-9.el7
	nfstest-1.0.2-2.el7.noarch
	nfs-utils-1.3.0-0.el7.s390x
------------------------------------------------

How reproducible:
always

Steps to Reproduce:
1. nfstest_dio --server $NFS_SERVER --export=$expDir --minorversion=0  --mtpoint=$nfsmp --interface=$INTERFACE

Actual results:
*** Verify POSIX API mkdir() on NFSv4
    PASS: mkdir - directory should be created
    PASS: mkdir - mode permissions of created directory should be correct
    PASS: mkdir - parent directory st_ctime should be updated
    PASS: mkdir - parent directory st_mtime should be updated
    PASS: mkdir - create directory should return an error if name already exists as a directory
    PASS: mkdir - create directory should return an error if name already exists as a file
    PASS: mkdir - create directory should return an error if name already exists as a symbolic link
    TIME: 1.019726s

*** Verify POSIX API opendir() on NFSv4
Segmentation fault (core dumped)
:: [   FAIL   ] :: Running 'su test -c "nfstest_posix --server $NFS_SERVER --export=$expDir --minorversion=0  --mtpoint=$nfsmp --interface=$INTERFACE"' (Expected 0, got 139)

Expected results:
no Segmentation fault happen

Additional info:
    https://beaker.engineering.redhat.com/jobs/724196
    http://beaker-archive.app.eng.bos.redhat.com/beaker-logs/2014/08/7241/724196/1513430/23693759/TESTOUT.log
Comment 2 Jorge Mora 2014-08-18 14:25:19 UTC 
Is it nfstest_posix or nfstest_dio?

I know that nfstest_dio does failed with segmentation fault on the vectored_io test
but I haven't seen the error on nfstest_posix.
Comment 3 JianHong Yin 2014-08-19 01:15:14 UTC 
(In reply to Jorge Mora from comment #2)
> Is it nfstest_posix or nfstest_dio?
> 
> I know that nfstest_dio does failed with segmentation fault on the
> vectored_io test
> but I haven't seen the error on nfstest_posix.

Yes, it is nfstest_posix. you can search "Segmentation" in test log:
  http://beaker-archive.app.eng.bos.redhat.com/beaker-logs/2014/08/7241/724196/1513430/23693759/TESTOUT.log

I will set "core file size" to ulimited, and try to reproduce it again,,
Comment 5 JianHong Yin 2014-08-19 10:36:20 UTC 
Reproduced again: at (ibm-p8-kvm-03-guest-09.rhts.eng.bos.redhat.com)
  J:725305  [20140819_10:35] nfs M.1.1 \1/regression/nfstest.0..--reserve-if-fail=2d

Log:
  http://lab-02.rhts.eng.bos.redhat.com/beaker/logs/tasks/23715+/23715066/TESTOUT.log

Got a corefile:
    ftp://10.66.12.204/core-nfstest_posix-1335-1408443145
Comment 6 Jorge Mora 2014-08-19 14:27:58 UTC 
I don't have access to Redhat internal http/ftp servers.
I just noticed that you are using an old version of NFStest (1.0.2).
Could you try it with the latest version:

http://www.linux-nfs.org/~mora/nfstest/releases/NFStest-1.0.8.tar.gz
Comment 7 JianHong Yin 2014-08-20 00:46:52 UTC 
(In reply to Jorge Mora from comment #6)
> I don't have access to Redhat internal http/ftp servers.
oh, sorry for my mistake.

> I just noticed that you are using an old version of NFStest (1.0.2).
> Could you try it with the latest version:
Ok, I will download the latest version and try again.

> 
> http://www.linux-nfs.org/~mora/nfstest/releases/NFStest-1.0.8.tar.gz

BTW: a suggestion:
  do s/ssh -t/ssh -t -t/ in nfstest/host.py,  to avoid error:
    "Pseudo-terminal will not be allocated because stdin is not a terminal" 

  now I use this command to avoid this error.
    sed -i "s/ssh -t/& -t/" /usr/lib/python2.7/site-packages/nfstest/host.py
Comment 8 JianHong Yin 2014-08-20 09:08:22 UTC 
(In reply to Jorge Mora from comment #6)
> Could you try it with the latest version:
> 
> http://www.linux-nfs.org/~mora/nfstest/releases/NFStest-1.0.8.tar.gz

I use git clone from git://git.linux-nfs.org/projects/mora/nfstest.git,
  and test again in RHEL-7, the "Segmentation fault" still happen:

*** Verify POSIX API opendir() on NFSv4
Segmentation fault (core dumped)
:: [   FAIL   ] :: Running 'su test -c "nfstest_posix --server $NFS_SERVER --export=$expDir --minorversion=0  --mtpoint=$nfsmp --interface=$INTERFACE"' (Expected 0, got 139)
Comment 9 Jorge Mora 2014-11-07 16:56:35 UTC 
The segmentation fault only happens in KVM guests in my environment.
All tests run fine when running on VMware guests. I will try to have
access to a RHEL7 hardware client and run all tests to see if this
problem exists.
Comment 10 Jorge Mora 2014-11-07 18:42:32 UTC 
I have found no problems when running on a hardware client
RHEL7.0 (3.10.0-123.el7.x86_64).

Also, no problems running on KVM guest for latest RHEL7.1
(3.10.0-199.el7.x86_64)
Comment 15 Steve Dickson 2016-02-11 16:23:16 UTC 

*** This bug has been marked as a duplicate of bug 1284678 ***
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