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[Bug testsuite/4753] New: "echo 0 > /proc/stap_test_cmd" fails with Invalid argument message.
- From: "srinivasa at in dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 9 Jul 2007 12:33:10 -0000
- Subject: [Bug testsuite/4753] New: "echo 0 > /proc/stap_test_cmd" fails with Invalid argument message.
- Reply-to: sourceware-bugzilla at sourceware dot org
My environment is 2.6.22-rc7 kernel, systemtap-20070707 snapshot and elfutils-0.128.
context.exp testcase of systemtap-20070707 snapshot fails with below message.
==============================
Running
/home/systemtap/tmp/stap_testing_200707091005/src/testsuite/systemtap.context/context.exp
...
ERROR: tcl error sourcing
/home/systemtap/tmp/stap_testing_200707091005/src/testsuite/systemtap.context/context.exp.
ERROR: echo: write error: Invalid argument
while executing
"exec echo 0 > /proc/stap_test_cmd"
invoked from within
"expect -nobrace -timeout 240 {Systemtap probe: begin
} {
pass "backtrace of begin probe"
exec echo 0 > /proc/stap_test_cmd
exp_continue
} -re ..."
invoked from within
"expect {
-timeout 240
"Systemtap probe: begin\r\n" {
pass "backtrace of begin probe"
exec echo 0 > /proc/stap_test_cmd
exp_continue
}
..."
(file "backtrace.tcl" line 6)
invoked from within
"source $test.tcl"
("foreach" body line 2)
invoked from within
"foreach test $testlist {
source $test.tcl
}"
(file
"/home/systemtap/tmp/stap_testing_200707091005/src/testsuite/systemtap.context/context.exp"
line 74)
invoked from within
"source
/home/systemtap/tmp/stap_testing_200707091005/src/testsuite/systemtap.context/context.exp"
("uplevel" body line 1)
invoked from within
"uplevel #0 source
/home/systemtap/tmp/stap_testing_200707091005/src/testsuite/systemtap.context/context.exp"
invoked from within
"catch "uplevel #0 source $test_file_name""
===================================================
===========================
--
Summary: "echo 0 > /proc/stap_test_cmd" fails with Invalid
argument message.
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: testsuite
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: srinivasa at in dot ibm dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=4753
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