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[Emacs-bug-tracker] bug#7274: closed (tail-2/F-vs-missing failure on RHE

From: GNU bug Tracking System
Subject: [Emacs-bug-tracker] bug#7274: closed (tail-2/F-vs-missing failure on RHEL 5.5 x86-64 + NetApp filer)
Date: Sun, 24 Oct 2010 13:29:02 +0000 
Your message dated Sun, 24 Oct 2010 14:32:08 +0100
with message-id <address@hidden>
and subject line Re: bug#7274: tail-2/F-vs-missing failure on RHEL 5.5 x86-64 + 
NetApp filer
has caused the GNU bug report #7274,
regarding tail-2/F-vs-missing failure on RHEL 5.5 x86-64 + NetApp filer
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
7274: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7274
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: tail-2/F-vs-missing failure on RHEL 5.5 x86-64 + NetApp filer Date: Sat, 23 Oct 2010 18:39:11 -0700 User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.11) Gecko/20101006 Thunderbird/3.1.5 
I got the following failure when running "make test"
on RHEL 5.5 x86-64 when the build directory is served
from a Network Appliance filer.  I'm no expert in what
"tail" is supposed to do here, but a casual look at the
output makes it appear that it might just be a bug in
the test program.  The filer does suffer from minor
clock skew with respect to the RHEL client.

FAIL: tail-2/F-vs-missing (exit: 1)
===================================

++ initial_cwd_=/u/cs/fac/eggert/src/gnu/cu-tmp/tests
+++ testdir_prefix_
+++ printf gt
++ pfx_=gt
+++ mktempd_ /u/cs/fac/eggert/src/gnu/cu-tmp/tests gt-F-vs-missing.XXXX
+++ case $# in
+++ destdir_=/u/cs/fac/eggert/src/gnu/cu-tmp/tests
+++ template_=gt-F-vs-missing.XXXX
+++ MAX_TRIES_=4
+++ case $destdir_ in
+++ case $template_ in
+++ fail=0
++++ unset TMPDIR
++++ mktemp -d -t -p /u/cs/fac/eggert/src/gnu/cu-tmp/tests gt-F-vs-missing.XXXX
+++ d=/u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp
+++ case $d in
+++ test -d /u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp
++++ ls -dgo /u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp
++++ tr S -
+++ perms='drwx------ 2 4096 Oct 23  2010 
/u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp'
+++ case $perms in
+++ test 0 = 0
+++ echo /u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp
+++ return
++ test_dir_=/u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp
++ cd /u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp
++ for sig_ in 1 2 3 13 15
+++ expr 1 + 128
++ eval 'trap '\''Exit 129'\'' 1'
+++ trap 'Exit 129' 1
++ for sig_ in 1 2 3 13 15
+++ expr 2 + 128
++ eval 'trap '\''Exit 130'\'' 2'
+++ trap 'Exit 130' 2
++ for sig_ in 1 2 3 13 15
+++ expr 3 + 128
++ eval 'trap '\''Exit 131'\'' 3'
+++ trap 'Exit 131' 3
++ for sig_ in 1 2 3 13 15
+++ expr 13 + 128
++ eval 'trap '\''Exit 141'\'' 13'
+++ trap 'Exit 141' 13
++ for sig_ in 1 2 3 13 15
+++ expr 15 + 128
++ eval 'trap '\''Exit 143'\'' 15'
+++ trap 'Exit 143' 15
++ trap remove_tmp_ 0
+ path_prepend_ ../src
+ test 1 '!=' 0
+ path_dir_=../src
+ case $path_dir_ in
++ cd /u/cs/fac/eggert/src/gnu/cu-tmp/tests/../src
++ echo /u/cs/fac/eggert/src/gnu/cu-tmp/src
+ abs_path_dir_=/u/cs/fac/eggert/src/gnu/cu-tmp/src
+ case $abs_path_dir_ in
+ 
PATH=/u/cs/fac/eggert/src/gnu/cu-tmp/src:/u/cs/fac/eggert/src/gnu/cu-tmp/src:/u/cs/fac/eggert/bin:/usr/local/cs/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/usr/X11R6/bin:/bin:/sbin
+ create_exe_shims_ /u/cs/fac/eggert/src/gnu/cu-tmp/src
+ case $EXEEXT in
+ return 0
+ shift
+ test 0 '!=' 0
+ export PATH
+ test yes = yes
+ tail --version
tail (GNU coreutils) 8.6.9-d5d8-dirty
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Paul Rubin, David MacKenzie, Ian Lance Taylor,
and Jim Meyering.
+ debug=---disable-inotify
+ debug=
+ tail -F -s.1 missing/file
+ pid=21936
+ tail_re='cannot open'
+ retry_delay_ check_tail_output .1 7
+ local test_func=check_tail_output
+ local init_delay=.1
+ local max_n_tries=7
+ local attempt=1
+ local num_sleeps=1
+ local time_fail
+ test 1 -le 7
++ gawk -v n=1 -v s=.1 'BEGIN { for (i=0;i<n;i++) t = s" "t; print t }'
+ local 'delay=.1 '
+ check_tail_output '.1 '
+ local 'delay=.1 '
+ grep 'cannot open' out
+ time_fail=0
+ break
+ test 0 = 0
+ mkdir missing
+ cd missing
+ echo x
+ tail_re='has appeared'
+ retry_delay_ check_tail_output .1 7
+ local test_func=check_tail_output
+ local init_delay=.1
+ local max_n_tries=7
+ local attempt=1
+ local num_sleeps=1
+ local time_fail
+ test 1 -le 7
++ gawk -v n=1 -v s=.1 'BEGIN { for (i=0;i<n;i++) t = s" "t; print t }'
+ local 'delay=.1 '
+ check_tail_output '.1 '
+ local 'delay=.1 '
+ grep 'has appeared' out
+ sleep .1
+ return 1
+ time_fail=1
++ expr 1 + 1
+ attempt=2
++ expr 1 '*' 2
+ num_sleeps=2
+ test 2 -le 7
++ gawk -v n=2 -v s=.1 'BEGIN { for (i=0;i<n;i++) t = s" "t; print t }'
+ local 'delay=.1 .1 '
+ check_tail_output '.1 .1 '
+ local 'delay=.1 .1 '
+ grep 'has appeared' out
+ sleep .1 .1
+ return 1
+ time_fail=1
++ expr 2 + 1
+ attempt=3
++ expr 2 '*' 2
+ num_sleeps=4
+ test 3 -le 7
++ gawk -v n=4 -v s=.1 'BEGIN { for (i=0;i<n;i++) t = s" "t; print t }'
+ local 'delay=.1 .1 .1 .1 '
+ check_tail_output '.1 .1 .1 .1 '
+ local 'delay=.1 .1 .1 .1 '
+ grep 'has appeared' out
+ sleep .1 .1 .1 .1
+ return 1
+ time_fail=1
++ expr 3 + 1
+ attempt=4
++ expr 4 '*' 2
+ num_sleeps=8
+ test 4 -le 7
++ gawk -v n=8 -v s=.1 'BEGIN { for (i=0;i<n;i++) t = s" "t; print t }'
+ local 'delay=.1 .1 .1 .1 .1 .1 .1 .1 '
+ check_tail_output '.1 .1 .1 .1 .1 .1 .1 .1 '
+ local 'delay=.1 .1 .1 .1 .1 .1 .1 .1 '
+ grep 'has appeared' out
+ sleep .1 .1 .1 .1 .1 .1 .1 .1
+ return 1
+ time_fail=1
++ expr 4 + 1
+ attempt=5
++ expr 8 '*' 2
+ num_sleeps=16
+ test 5 -le 7
++ gawk -v n=16 -v s=.1 'BEGIN { for (i=0;i<n;i++) t = s" "t; print t }'
+ local 'delay=.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ check_tail_output '.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ local 'delay=.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ grep 'has appeared' out
+ sleep .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1
+ return 1
+ time_fail=1
++ expr 5 + 1
+ attempt=6
++ expr 16 '*' 2
+ num_sleeps=32
+ test 6 -le 7
++ gawk -v n=32 -v s=.1 'BEGIN { for (i=0;i<n;i++) t = s" "t; print t }'
+ local 'delay=.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ check_tail_output '.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ local 'delay=.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ grep 'has appeared' out
+ sleep .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1
+ return 1
+ time_fail=1
++ expr 6 + 1
+ attempt=7
++ expr 32 '*' 2
+ num_sleeps=64
+ test 7 -le 7
++ gawk -v n=64 -v s=.1 'BEGIN { for (i=0;i<n;i++) t = s" "t; print t }'
+ local 'delay=.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ check_tail_output '.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ local 'delay=.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 '
+ grep 'has appeared' out
+ sleep .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 
.1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1 .1
+ return 1
+ time_fail=1
++ expr 7 + 1
+ attempt=8
++ expr 64 '*' 2
+ num_sleeps=128
+ test 8 -le 7
+ test 1 = 0
+ echo './tail-2/F-vs-missing: file: unexpected delay?'
./tail-2/F-vs-missing: file: unexpected delay?
+ cat out
tail: cannot open `missing/file' for reading: No such file or directory
tail: cannot watch parent directory of `missing/file': No such file or directory
tail: inotify cannot be used, reverting to polling
tail: `missing/file' has been replaced with a remote file. giving up on this 
name
+ fail=1
+ kill -HUP 21936
+ Exit 1
+ set +e
+ exit 1
+ exit 1
+ remove_tmp_
+ __st=1
+ cleanup_
+ :
+ cd /u/cs/fac/eggert/src/gnu/cu-tmp/tests
+ chmod -R u+rwx /u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp
+ rm -rf /u/cs/fac/eggert/src/gnu/cu-tmp/tests/gt-F-vs-missing.PmAp
+ exit 1

--- End Message ---
--- Begin Message --- Subject: Re: bug#7274: tail-2/F-vs-missing failure on RHEL 5.5 x86-64 + NetApp filer Date: Sun, 24 Oct 2010 14:32:08 +0100 User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 
On 24/10/10 02:39, Paul Eggert wrote:
> I got the following failure when running "make test"
> on RHEL 5.5 x86-64 when the build directory is served
> from a Network Appliance filer.  I'm no expert in what
> "tail" is supposed to do here, but a casual look at the
> output makes it appear that it might just be a bug in
> the test program.  The filer does suffer from minor
> clock skew with respect to the RHEL client.
> 
> FAIL: tail-2/F-vs-missing (exit: 1)
> ===================================
> 
> tail: cannot open `missing/file' for reading: No such file or directory
> tail: cannot watch parent directory of `missing/file': No such file or 
> directory
> tail: inotify cannot be used, reverting to polling
> tail: `missing/file' has been replaced with a remote file. giving up on this 
> name
> + fail=1

Seems like an edge case I didn't consider in 61b77891
Hopefully the attached fixes it.

cheers,
Pádraig.

Attachment: tail-F-missing-remote.diff
Description: Text Data


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