[Bug runtime/10724] stap should not retry if there is a permissions error

["chwang at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From chwang at redhat dot com  2009-10-02 18:05 -------
(In reply to comment #0)
> Currently, stap command attempts to delete modules and retry when it encounters
> an error. This should not happen when the error encountered is caused by a lack
> of permission [since relaunching won't change the permissions].

Reproduction notes:
1. Log in as a user without stapdev privileges
2. Attempt to run stap -e 'probe begin {printf("Hello World!")}'
3. Output will look like: 
ERROR: You are trying to run stap as a normal user.
You should either be root, or be part of either group "stapdev" or group "stapusr".
Alternatively, your module must be compiled using the --unprivileged option and
signed by a trusted signer.
For more information, please consult the "SAFETY AND SECURITY" section of the
"stap(1)" manpage
Retrying, after attempted removal of module <blah> (rc -1)
ERROR: You are trying to run stap as a normal user.
You should either be root, or be part of either group "stapdev" or group "stapusr".
Alternatively, your module must be compiled using the --unprivileged option and
signed by a trusted signer.
For more information, please consult the "SAFETY AND SECURITY" section of the
"stap(1)" manpage

Note the repetition of the error message caused by an attempted relaunch.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=10724

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