| Summary: | "echo 0 > /proc/stap_test_cmd" fails with Invalid argument message. | ||
|---|---|---|---|
| Product: | systemtap | Reporter: | Srinivasa DS <srinivasa> |
| Component: | testsuite | Assignee: | Unassigned <systemtap> |
| Status: | RESOLVED DUPLICATE | ||
| Severity: | normal | ||
| Priority: | P2 | ||
| Version: | unspecified | ||
| Target Milestone: | --- | ||
| Host: | Target: | ||
| Build: | Last reconfirmed: | ||
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"" =================================================== ===========================