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| author |   Sven Vermeulen <sven.vermeulen@siphos.be> | 2011-12-11 15:35:39 +0100 |
|---|---|---|
| committer | Sven Vermeulen <sven.vermeulen@siphos.be> | 2011-12-11 15:35:39 +0100 |
| commit | 5a3923f95ddfe75d03cb2a363151a7f096b61bf1 (patch) | |
| tree | 7c28a973366ca38e4f4da2736183ecacb7482fa3 | |
| parent | Adding FAQ on run_init authentication (diff) | |
| download | hardened-docs-5a3923f95ddfe75d03cb2a363151a7f096b61bf1.tar.gz hardened-docs-5a3923f95ddfe75d03cb2a363151a7f096b61bf1.tar.bz2 hardened-docs-5a3923f95ddfe75d03cb2a363151a7f096b61bf1.zip | |
Adding portage installation failure information
| -rw-r--r-- | xml/selinux/hb-using-troubleshoot.xml | 70 |
1 files changed, 68 insertions, 2 deletions
diff --git a/xml/selinux/hb-using-troubleshoot.xml b/xml/selinux/hb-using-troubleshoot.xml index 96df785..16fff0a 100644 --- a/xml/selinux/hb-using-troubleshoot.xml +++ b/xml/selinux/hb-using-troubleshoot.xml @@ -7,8 +7,8 @@ <!-- $Header: /var/cvsroot/gentoo/xml/htdocs/proj/en/hardened/selinux/hb-appendix-troubleshoot.xml,v 1.2 2011/04/25 20:12:59 zorry Exp $ --> <sections> -<version>0</version> -<date>2011-02-24</date> +<version>1</version> +<date>2011-12-11</date> <section> <title>Unable To Load SELinux Policy</title> @@ -225,4 +225,70 @@ contexts</e> that you see in the output with the next table. </body> </subsection> </section> + +<section> +<title>Unable to Emerge Anything (OSError: [Errno 22] Invalid argument)</title> +<subsection> +<title>Problem Description</title> +<body> + +<p> +When trying to install software with Portage, you get a huge python stacktrace +and finally the error message <e>OSError: [Errno 22] Invalid argument</e>: +</p> + +<pre caption="Stacktrace dump when portage fails to install software"> +Traceback (most recent call last): + File "/usr/bin/emerge", line 43, in <module> + retval = emerge_main() + File "/usr/lib64/portage/pym/_emerge/main.py", line 1906, in emerge_main + myopts, myaction, myfiles, spinner) + File "/usr/lib64/portage/pym/_emerge/actions.py", line 437, in action_build + retval = mergetask.merge() +... + File "/usr/lib64/portage/pym/portage/package/ebuild/doebuild.py", line 104, in _doebuild_spawn + return spawn(cmd, settings, **kwargs) + File "/usr/lib64/portage/pym/portage/package/ebuild/doebuild.py", line 1255, in spawn + return spawn_func(mystring, env=mysettings.environ(), **keywords) + File "/usr/lib64/portage/pym/portage/_selinux.py", line 105, in wrapper_func + setexec(con) + File "/usr/lib64/portage/pym/portage/_selinux.py", line 79, in setexec + if selinux.setexeccon(ctx) < 0: +OSError: [Errno 22] Invalid argument +</pre> + +</body> +</subsection> +<subsection> +<title>Wrong Context</title> +<body> + +<p> +The above error comes when you launch portage (through <c>emerge</c>) while you +are not in <c>sysadm_t</c> context. You can verify this with <c>id -Z</c>: +</p> + +<pre caption="Checking current context"> +~# <i>id -Z</i> +system_u:system_r:local_login_t +</pre> + +<p> +As long as the context isn't <c>sysadm_t</c>, then Portage will break. This is +because Portage wants to switch its execution context from <c>portage_t</c> to +<c>portage_sandbox_t</c> but fails (it isn't in <c>portage_t</c> to begin with +because the user who launched Portage isn't in <c>sysadm_t</c>). +</p> + +<p> +Please check <uri link="#doc_chap2">Unable to Log On</uri> above first. Also +make sure that you can <c>dispatch-conf</c> or <c>etc-update</c> after +installing SELinux so that <path>/etc/pam.d/system-login</path> is updated with +the right <path>pam_selinux.so</path> calls. +</p> + +</body> +</subsection> +</section> + </sections> |