From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 7D2193858D1E for ; Tue, 20 Jun 2023 19:59:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 7D2193858D1E Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687291165; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type; bh=jxOHzjq6aifP5NS5pCE2jtzjOv2D4rcG8hJMI8XnpEI=; b=Rn/hsjMeaOLeojwoksG7flVW4AFvzUYjVjqN73HGcXaHaWHvxqkvjX4Nb3+vLizaWHCiVD nZW+CrL6MYwLUMW7rMnhw+kC6wEG99ZbpuqpjCBmKuWq29myQUwDoaYthieilmEzEWxEiG ckreAT5u6adHaBOv7/G7tLA0D7utZc4= Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-177-1GaPbG1MPdC4pq7Ni8lPWw-1; Tue, 20 Jun 2023 15:59:22 -0400 X-MC-Unique: 1GaPbG1MPdC4pq7Ni8lPWw-1 Received: by mail-ed1-f69.google.com with SMTP id 4fb4d7f45d1cf-514abe67064so3494027a12.0 for ; Tue, 20 Jun 2023 12:59:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687291160; x=1689883160; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=jxOHzjq6aifP5NS5pCE2jtzjOv2D4rcG8hJMI8XnpEI=; b=HYBQa2oxa3hvcZD6bAsOabYi/A4IjMUffdhbnQPyc8fE8NnFpGAjf/QzMn/hmRYIMJ HphelNwlGojhhCQ0jprvTPO4aOgXxPkbd848wwy0zERAXpE+PV0g5quJShZRkRYh6dW8 Wz8w4/Kfuqymagu5N6k11OPzOqO9lsjzfw2AAl6pUVNAvBARkdzAmckm8fqZ0zXOrFaW wuLHT3+L9e6C4SyEqGZV6r4dgp3asusflO7GAtfvYePtEMGiDk+shIRHf4Hev05eL4A0 HhXMWZGN4uzsrjdfcStc3W4WFVLdd4FMv5KcneFYUtMwe8euTAAqRDcZ0wRIhVXBzu1/ dKlw== X-Gm-Message-State: AC+VfDwtyCB4gHDhh0XiQ6KYg1fDlf6uBwwXGiaG2k2ZgllEiIPfFvLp j+N2DqXXC/QmJRlYstj6CfGNzHV3Gn3asQ7iPZMMb3I33i3tyHqqczaBaoAv5UG8IXGuKbnOWhg LZRAJyJRw3DXLEir46M4FDLkFiuA4ozERvnTUsnrj4Uqrvg== X-Received: by 2002:a05:6402:218:b0:517:6ed9:662d with SMTP id t24-20020a056402021800b005176ed9662dmr9791302edv.19.1687291160772; Tue, 20 Jun 2023 12:59:20 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5gsADTuklM5Jq3hqxJR0U674U5NOapG8d/MlACJH1vFZG1uB4PIGL0ytQuRPcFrJI+AQITVDbtSmZts6Ecjjc= X-Received: by 2002:a05:6402:218:b0:517:6ed9:662d with SMTP id t24-20020a056402021800b005176ed9662dmr9791293edv.19.1687291160454; Tue, 20 Jun 2023 12:59:20 -0700 (PDT) MIME-Version: 1.0 From: Housam Alamour Date: Tue, 20 Jun 2023 15:59:09 -0400 Message-ID: Subject: Stap gets stuck on Kernel Version 6.3 To: systemtap@sourceware.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/alternative; boundary="0000000000004083c405fe951664" X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,HTML_MESSAGE,KAM_NUMSUBJECT,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --0000000000004083c405fe951664 Content-Type: text/plain; charset="UTF-8" When using fedora kernel version 6.3.6-200.fc38.x86_64, running any SystemTap script with IO will get stuck at Pass 5: starting run. (e.g. probe begin { print ("hello world\n") exit () } ) Upon downgrading to 6.2.15-300.fc38.x86_64 problem does not appear. Possibly related to stapio. Output of ps aux | grep stap halamour 4241 0.1 0.0 0 0 pts/0 Zl 15:48 0:00 [stapio] halamour 4291 4.0 0.9 542516 300152 pts/0 S+ 15:48 0:00 stap -v hello-world.stp halamour 4292 0.1 0.0 0 0 pts/0 Zl+ 15:48 0:00 [stapio] halamour 4358 0.0 0.0 222408 2176 pts/1 S+ 15:49 0:00 grep --color=auto stap Output of lsmod | grep stap stap_b9eef644af3bff3c851557a1748735a_4292 77824 1 stap_b9eef644af3bff3c851557a1748735a_4241 77824 1 --0000000000004083c405fe951664--