From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A3CFD3858409; Tue, 28 Sep 2021 20:17:12 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A3CFD3858409 From: "bill at broadley dot org" To: systemtap@sourceware.org Subject: [Bug runtime/28394] New: Systemtap 4.6 on Centos 8.4/4.18 kernel died in nfsd-trace example Date: Tue, 28 Sep 2021 20:17:12 +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: bill at broadley dot org X-Bugzilla-Status: UNCONFIRMED 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 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 X-BeenThere: systemtap@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Systemtap mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Sep 2021 20:17:12 -0000 https://sourceware.org/bugzilla/show_bug.cgi?id=3D28394 Bug ID: 28394 Summary: Systemtap 4.6 on Centos 8.4/4.18 kernel died in nfsd-trace example Product: systemtap Version: unspecified Status: UNCONFIRMED Severity: normal Priority: P2 Component: runtime Assignee: systemtap at sourceware dot org Reporter: bill at broadley dot org Target Milestone: --- I tried the Systemtap on Rocky-8.4 (a recompile of RHEL-8.4) *AND* with the current git branch and tried the nfsd-trace example. Kernel/Env: [root@nas-1-0 systemtap]# uname -a Linux nas-1-0 4.18.0-305.19.1.el8_4.x86_64 #1 SMP Wed Sep 15 19:12:32 UTC 2= 021 x86_64 x86_64 x86_64 GNU/Linux [root@nas-1-0 systemtap]# stap-prep=20 Configuring for kernel release 4.18.0-305.19.1.el8_4.x86_64 [root@nas-1-0 systemtap]# Rocky-8.4/RHEL-8.4 provided systemtap: [root@nas-1-0 systemtap]# /usr/bin/stap --version Systemtap translator/driver (version 4.4/0.182, rpm 4.4-11.el8_4.0.1) With the Rocky-8.4/RHEL-8.4 provided stap: [root@nas-1-0 systemtap]# /usr/bin/stap ./testsuite/systemtap.examples/network/nfsd-trace.stp WARNING: Potential type mismatch in reassignment: identifier 'root_dentry' = at /usr/share/systemtap/tapset/linux/dentry.stp:246:3 source: root_dentry =3D @cast(task, "task_struct", "kernel")->fs->root->dentry ^ ERROR: read fault [man error::fault] at 0x10 near operator '->' at /usr/share/systemtap/tapset/linux/dentry.stp:267:19 ERROR: read fault [man error::fault] at 0x10 near operator '->' at /usr/share/systemtap/tapset/linux/dentry.stp:267:19 Tue Sep 28 14:08:57 2021 MDT 192.168.1.46:24323 nfsd.proc4.write 1851,409600 Tue Sep 28 14:08:57 2021 MDT 192.168.1.46:24323 nfsd.proc4.write 106,254764= 58 WARNING: Number of errors: 2, skipped probes: 2 WARNING: /usr/bin/staprun exited with status: 1 Pass 5: run failed. [man error::pass5] Number of similar warning messages suppressed: 659. Rerun with -v to see them. With the git download from today: [root@nas-1-0 systemtap]# ./stap --version Systemtap translator/driver (version 4.6/0.182, commit release-4.5-87- gb367613c3bb8 + changes) [root@nas-1-0 systemtap]# ./stap ./testsuite/systemtap.examples/network/nfsd-trace.stp WARNING: Potential type mismatch in reassignment: identifier 'root_dentry' = at /nopt/nrel/apps/systemtap-2021-09-23/share/systemtap/tapset/linux/dentry.st= p:246:3 source: root_dentry =3D @cast(task, "task_struct", "kernel")->fs->root->dentry ^ Tue Sep 28 14:10:47 2021 MDT 192.168.1.75:52994 nfsd.proc4.write 2592,286720 Tue Sep 28 14:10:47 2021 MDT 192.168.1.75:52994 nfsd.proc4.write 4265,53248 ERROR: read fault [man error::fault] at 0x10 near operator '->' at /nopt/nrel/apps/systemtap-2021-09-23/share/systemtap/tapset/linux/dentry.st= p:267:19 ERROR: read fault [man error::fault] at 0x10 near operator '->' at /nopt/nrel/apps/systemtap-2021-09-23/share/systemtap/tapset/linux/dentry.st= p:267:19 WARNING: Number of errors: 2, skipped probes: 2 WARNING: /nopt/nrel/apps/systemtap-2021-09-23/bin/staprun exited with statu= s: 1 Pass 5: run failed. [man error::pass5] Number of similar warning messages suppressed: 659. Rerun with -v to see them. --=20 You are receiving this mail because: You are the assignee for the bug.=