[Devel] LTP syscall failures

[Vitaliy Gusev]

1) Fail with ustat() is a openvz bug and it will be fixed in the near future.
2) Fail with syslog() is a normal behavior,  but it can be modified specially 
for LTP.


>From: Christian Kaiser2 <CKAISER2 at de.ibm.com>
>To: devel at openvz.org
>Message-ID:
><OFA30B9023.1D7CA759-ONC12572E2.0029ABDB-C12572E2.002AE3A1 at de.ibm.com>
>Date: Mon, 21 May 2007 09:47:31 +0200
>Subject: [Devel] LTP syscall failures
>
>Hi,
>
>I did some testing with the LTP Regression Test Suite
>(http://ltp.sourceforge.net) inside a VE the last days. When I enable all
>capabilites except "setpcap" I get one warning and three failures. When I
>run the tests native (in VE0) I get no errors. I tested it with several
>Kernels including the latest 2.6.18 and 2.6.20 from the git repository, all
>with the same results.
>
>I run the syscall test suite of ltp-20070430 as root with the command:
>./runltp -p -q -f syscalls -l `date +"%Y-%m-%d_%H-%M-%S"`
>
>Failed tests: syslog12, ustat01, ustat02
>
>Output:
>        syslog12
>                syslog system call: read and/or clear kernel message ring
>                                buffer; set console_loglevel
>
>                syslog12    5  FAIL  :  syslog() returned unexpected
>results for
>                                console level less than 0 ; returned 0
>(expected -1), errno 0 (expected 22)
>                syslog12    6  FAIL  :  syslog() returned unexpected
>results for console level
>                                greater than 8 ; returned 0 (expected -1),
>errno 0 (expected 22)
>
>        ustat0[1-2]
>                ustat system call: get filesystem statistics
>
>                ustat01     1  FAIL  :  ustat(2) failed and setthe errno to
>13
>                                : Permission denied
>                ustat02     1  PASS  :  ustat(2) expected failure; Got
>errno - EINVAL :
>                                Invalid parameter
>                ustat02     2  FAIL  :  ustat(2) failed to produce expected
>error; 14, errno:
>                                EFAULT and got 13
>
>As you can see the syslog12 and ustat02 tests fail because they return
>other error values than expected. The ustat01 test fails because of
>unsufficient permissions.
>
>Is there someone out who wants to confirm or to comment why these System
>Call Tests fail?
>
>Mit freundlichen Grüßen / Best Regards
>Christian Kaiser

-- 

Vitaliy Gusev