Please find a problem reported by Srinivas and then solution from Jose:
==========================================================================
---Problem Description---
==========================================================================
remap_file_pages(01/02) failing on 31(s390) bit linux guest running
RHEL4.6
Contact Information = Srinivasan Subramanian/[EMAIL PROTECTED]
---uname output---
Linux <snip> 2.6.9-61.EL #1 SMP Wed Oct 3 15:55:51 EDT
2007 s390 s390 s390 GNU/Linux
Machine Type = s390 - 31 bit
---Steps to Reproduce---
1) Untar and install the latest release of ltp test suite
2) Run the generic tests using, ./runltp -o out.txt -g out.html
3) Look out for the test output of remap_file_pages to observe the error
/etc/selinux/config output:
SELINUX=enforcing
SELINUXTYPE=targeted
"rpm -qa | grep -i selinux" output:
libselinux-1.19.1-7.4
selinux-policy-targeted-1.17.30-2.148
libselinux-devel-1.19.1-7.4
here is the output of the isolated run of remap_file_pages
[EMAIL PROTECTED] output]# cat LTP_RUN_ON-rempa.out.failed
remap_file_pages01 remap_file_pages01
remap_file_pages02 remap_file_pages02
[EMAIL PROTECTED] output]# cat rempa.out
<<<test_start>>>
tag=remap_file_pages01 stime=1199860368
cmdline="remap_file_pages01"
contacts=""
analysis=exit
initiation_status="ok"
<<<test_output>>>
remap_file_pages01 1 FAIL : remap_file_pages error for page=1207959552,
page_sz=8192, window_pages=14 (errno=38 : Function not implemented)
<<<execution_status>>>
duration=0 termination_type=exited termination_id=1 corefile=no
cutime=5 cstime=1
<<<test_end>>>
<<<test_start>>>
tag=remap_file_pages02 stime=1199860368
cmdline="remap_file_pages02"
contacts=""
analysis=exit
initiation_status="ok"
<<<test_output>>>
remap_file_pages02 1 FAIL : remap_file_pages(2) failed to produce expected
error: 22, errno: EINVAL. because got error 38
remap_file_pages02 2 FAIL : remap_file_pages(2) failed to produce expected
error: 22, errno: EINVAL. because got error 38
remap_file_pages02 3 FAIL : remap_file_pages(2) failed to produce expected
error: 22, errno: EINVAL. because got error 38
remap_file_pages02 4 FAIL : remap_file_pages(2) failed to produce expected
error: 22, errno: EINVAL. because got error 38
remap_file_pages02 5 FAIL : remap_file_pages(2) failed to produce expected
error: 22, errno: EINVAL. because got error 38
incrementing stop
<<<execution_status>>>
duration=0 termination_type=exited termination_id=1 corefile=no
cutime=1 cstime=0
<<<test_end>>>
==========================================================================
Ricardo´s comments:
==========================================================================
> Ricardo,
> here is the output of the isolated run of remap_file_pages
>
> [EMAIL PROTECTED] output]# cat LTP_RUN_ON-rempa.out.failed
> remap_file_pages01 remap_file_pages01
> remap_file_pages02 remap_file_pages02
>
> [EMAIL PROTECTED] output]# cat rempa.out
> <<<test_start>>>
> tag=remap_file_pages01 stime=1199860368
> cmdline="remap_file_pages01"
> contacts=""
> analysis=exit
> initiation_status="ok"
> <<<test_output>>>
> remap_file_pages01 1 FAIL : remap_file_pages error for page=1207959552,
> page_sz=8192, window_pages=14 (errno=38 : Function not implemented)
> <<<execution_status>>>
> duration=0 termination_type=exited termination_id=1 corefile=no
> cutime=5 cstime=1
> <<<test_end>>>
I'm thinking if this syscall is really implemented for s390, but I don't have
the rhel 4.6 kernel src here in my hands to check now.
Zeh, please see if this syscall is implemented for s390 for the kernel tested
(see at arch/kernel/syscalls.S), if not we have to create a patch for ltp to
abort this test if arch is s390.
==========================================================================
Jose Otavio Rizzatti Ferreira comments:
==========================================================================
Hello,
I've created a little patch for remap_file_pages01 and 02, which will check if
the machine is a s390(x) and the kernel version, before executing. Trusting the
comment Salina showed us, it will check if the kernel version is below 2.6.12.
If it's got a newer kernel, the test executes. It's working fine at the
submitter's machine.
Subrata, Ricardo, please let me know if there is something wrong with the
patch.
Thank you.
==========================================================================
==========================================================================
--Subrata
Signed-off-by: Jose Otavio Rizzatti Ferreira <[EMAIL PROTECTED]>
--- testcases/kernel/syscalls/remap_file_pages/remap_file_pages01.c.orig 2008-01-09 17:29:32.000000000 +0100
+++ testcases/kernel/syscalls/remap_file_pages/remap_file_pages01.c 2008-01-09 17:23:54.000000000 +0100
@@ -113,6 +113,16 @@
int lc; /* loop counter */
char *msg; /* message returned from parse_opts */
+#if defined (__s390__) || (__s390x__)
+ /* Disables the test in case the kernel version is lower than 2.6.12 and arch is s390 */
+ if((tst_kvercmp(2, 6, 12)) < 0)
+ {
+ tst_resm(TWARN, "This test can only run on kernels that are ");
+ tst_resm(TWARN, "2.6.12 and higher");
+ exit(0);
+ }
+#endif
+
/* parse standard options */
if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL) {
tst_brkm(TBROK, tst_exit, "OPTION PARSING ERROR - %s", msg);
--- testcases/kernel/syscalls/remap_file_pages/remap_file_pages02.c.orig 2008-01-09 17:29:42.000000000 +0100
+++ testcases/kernel/syscalls/remap_file_pages/remap_file_pages02.c 2008-01-09 17:26:21.000000000 +0100
@@ -132,6 +132,16 @@
int lc, i; /* loop counter */
char *msg; /* message returned from parse_opts */
+#if defined (__s390__) || (__s390x__)
+ /* Disables the test in case the kernel version is lower than 2.6.12 and arch is s390 */
+ if((tst_kvercmp(2, 6, 12)) < 0)
+ {
+ tst_resm(TWARN, "This test can only run on kernels that are ");
+ tst_resm(TWARN, "2.6.12 and higher");
+ exit(0);
+ }
+#endif
+
/* parse standard options */
if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL))
!= (char *)NULL) {
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