From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 16CDA3858C31; Fri, 17 Feb 2023 08:27:15 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 16CDA3858C31 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1676622435; bh=cwjMpZiU2na86aAR6Cay3iaxstXRaW7Sp62Bq1QFgG4=; h=From:To:Subject:Date:From; b=K0Lpup9UdHiiz2hlFiBEV9JOtK9rmZVY4Lq1lh1XzGGOWO+hYYVJ0ykBy9+ahgBwI NO81owyZPQWXsY5XFrZPporekpPuSjePaZRyT2/TZlGgvQi91Nug3es0CxNIFSK2NH K5JqTo3HXICZwRbeckeU+EAeIla1gcNTJs55TJS4= From: "mcermak at redhat dot com" To: systemtap@sourceware.org Subject: [Bug runtime/30131] New: Testcase at_var_timer_profile.exp regressed Date: Fri, 17 Feb 2023 08:27:09 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: systemtap X-Bugzilla-Component: runtime X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mcermak at redhat dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: systemtap at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://sourceware.org/bugzilla/show_bug.cgi?id=3D30131 Bug ID: 30131 Summary: Testcase at_var_timer_profile.exp regressed Product: systemtap Version: unspecified Status: NEW Severity: normal Priority: P2 Component: runtime Assignee: systemtap at sourceware dot org Reporter: mcermak at redhat dot com Target Milestone: --- Created attachment 14688 --> https://sourceware.org/bugzilla/attachment.cgi?id=3D14688&action=3Ded= it test results overview The testcase at_var_timer_profile.exp demonstrably regressed, specifically = for rhel9, see the attached overview. The test case was added as part of commit bd1fcbad9165da8 back in 2013. Based on my bisection on rhel9, the regressi= on was caused by a kernel update 5.14.0-178.el9 ---> 5.14.0-178.el9. Here's the testcase script as of today: https://sourceware.org/git/?p=3Dsystemtap.git;a=3Dblob;f=3Dtestsuite/system= tap.base/at_var_timer_profile.stp;h=3D479f74941a9fd739ea05b0d566c52d8929af7= d03;hb=3DHEAD Here's how the testcase works fine with 5.14.0-178.el9.x86_64 ------------------------------------------------------------------ 9 x86_64 # stap /root/systemtap/testsuite/systemtap.base/at_var_timer_profile.stp -c ./at_var_timer_profile /root/build/testsuite/at_var_timer_profile /usr/local/bin/stap:/root/build/testsuite/at_var_timer_profile:/usr/local/b= in/staprun /usr/local/bin/stap:/usr/local/bin/staprun @var("foo", @1)->bar: 42 @var("foo@at_var_timer_profile.c", @1)->bar: 42 @var("foo@at_var_timer_profile.c", @2)->bar: 42 @var("foo", @1)$: {.bar=3D42} @var("foo", @1)$$: {.bar=3D42} @defined(@var("foo", "badmodle")): NO @defined(@var("foo", @3)): NO 9 x86_64 #=20 Here's how the testcase fails with 5.14.0-179.el9.x86_64 ------------------------------------------------------------------ 9 x86_64 # stap /root/systemtap/testsuite/systemtap.base/at_var_timer_profile.stp -c ./at_var_timer_profile /root/build/testsuite/at_var_timer_profile /usr/local/bin/stap:/root/build/testsuite/at_var_timer_profile:/usr/local/b= in/staprun /usr/local/bin/stap:/usr/local/bin/staprun ERROR: read fault [man error::fault] at 0x404028 near operator '@var' at /root/systemtap/testsuite/systemtap.base/at_var_timer_profile.stp:15:42 WARNING: Number of errors: 1, skipped probes: 0 WARNING: /usr/local/bin/staprun exited with status: 1 Pass 5: run failed. [man error::pass5] 9 x86_64 # --=20 You are receiving this mail because: You are the assignee for the bug.=