[Bug 1407619] [NEW] ltrace sleep 1 fails to get proper output in Ubuntu 15.04

Launchpad Bug Tracker 1407619 at bugs.launchpad.net
Mon Jan 5 16:21:58 UTC 2015


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== Comment: #0 - PAVAMAN SUBRAMANIYAM <pavsubra at in.ibm.com> - 2015-01-02 02:01:07 ==
---Problem Description---
ltrace sleep 1 fails to get proper output in Ubuntu 15.04
 
Contact Information = pavsubra at in.ibm.com 
 
---uname output---
Linux ubuntu 3.16.0-28-generic #38-Ubuntu SMP Fri Dec 12 17:39:43 UTC 2014 ppc64le ppc64le ppc64le GNU/Linux
 
Machine Type = P8 
 
---Debugger---
A debugger is not configured
 
---Steps to Reproduce---
Install a Ubuntu 15.04 guest VM on a Power KVM Host on P8 Hardware.
Then install ltrace package on the same and execute the below scenario.

root at ubuntu:~# ltrace sleep 1
strtod_l(2, 0x3fffdbcf3028, 0x3fffdbcf3040, 0x3fffdbcf30e0 <unfinished ...>
abort()                                          = <void>
__libc_start_main(0x10009da8, 0x10009db8, 0x3fff98a73618, 0x3fff98a73608) = 0x3fff98a2d0d8
getopt_long(268475816, 0x3fff98a2d0e8, "efghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204"..., 0x65, -16843009) = 311955472
lseek(268443296, 0, 0)                           = 0
getopt_long(2, 0x3fffdbcf3028, "+", 0x10009ef0, nil <unfinished ...>
__fprintf_chk(2, 0x3fffdbcf3028, 0x10009f50, 0x10009ef0 <no return ...>
--- SIGSEGV (Segmentation fault) ---
+++ killed by SIGSEGV +++
root at ubuntu:~# echo $?
0

root at ubuntu:~# dpkg -S /usr/bin/ltrace
ltrace: /usr/bin/ltrace

root at ubuntu:~# dpkg --list | grep ltrace
ii  ltrace                              0.7.3-4ubuntu6               ppc64el      Tracks runtime library calls in dynamically linked programs


 
Userspace tool common name: /usr/bin/ltrace 

Userspace rpm: ltrace 0.7.3-4ubuntu6 
 
The userspace tool has the following bit modes: 64-bit 

Userspace tool obtained from project website:  na 
 
*Additional Instructions for pavsubra at in.ibm.com: 
-Post a private note with access information to the machine that the bug is occuring on.
-Attach ltrace and strace of userspace application.

== Comment: #1 - PAVAMAN SUBRAMANIYAM <pavsubra at in.ibm.com> - 2015-01-02 02:03:42 ==
This issue was earlier resolved with the latest version of ltrace debian package.
Refer this tasty taco bug: https://bugs.launchpad.net/tasty-taco/+bug/1268841

** Affects: ltrace (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: architecture-ppc64le bot-comment bugnameltc-119939 severity-high targetmilestone-inin1504
-- 
ltrace sleep 1 fails to get proper output in Ubuntu 15.04
https://bugs.launchpad.net/bugs/1407619
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