From nobody Wed Mar 27 12:00:07 2024 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4V4QGY0rlrz5FL6F for ; Wed, 27 Mar 2024 12:00:21 +0000 (UTC) (envelope-from mjguzik@gmail.com) Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4V4QGX2jXHz4jXx; Wed, 27 Mar 2024 12:00:20 +0000 (UTC) (envelope-from mjguzik@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20230601 header.b=fzMMdp3K; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of mjguzik@gmail.com designates 2a00:1450:4864:20::62f as permitted sender) smtp.mailfrom=mjguzik@gmail.com Received: by mail-ej1-x62f.google.com with SMTP id a640c23a62f3a-a470d7f77eeso841943666b.3; Wed, 27 Mar 2024 05:00:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1711540819; x=1712145619; darn=freebsd.org; h=cc:to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=LVS1oPl0ezTxxy2L/VucHpCeSsxqFbOfjIjQcPegtds=; b=fzMMdp3K/PN3RXo4bzqYSnFzzxC3YzeeFvDwAeWM2+3Axr5AuBTaWL8PrLpfLEdvec DmfQHaAYm5giEfCjZ+yXto4gRfAKvLFp7Zy2VJo2O7dhzV+xKNyeM8CrGd7uNQh8XyQx ocVwtwq7XbxapA83YDvKCcv03NDub3sZcF53meUJhgIfnOD7VgWJyCP8SWSdxJM8RkJK da57aGOvFotwbEjdL4MHAVaBQ+6dUsXrKGaa9z4xdMztkUDduM1IcQesKDazDK8gDpCa AlsnCfs3oDyHyV84T9RJeEjR5nNyz5OhWsrJoagqNGte1uPrIdCHF5C7StqYBrDB/vOk J3AQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711540819; x=1712145619; h=cc:to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=LVS1oPl0ezTxxy2L/VucHpCeSsxqFbOfjIjQcPegtds=; b=EveshMlTV0uaQcQ9Gcrawuut/ekyQPnsIE0NeQAQRpbM4Zq1uhS+go8Yk1gErUDypd ibLOp6ZzNEXAeYwE8gBl/mceAhPkkIQfYlJU+waj6W9UmLAhvch+YNs8ixsCAkFrt4t8 Mho5bT283gsP80xHC7ycBBnypRMDQ4uubR6xWQwZW7K6t36QUEMbBDb1aZ9HuO87kHSF JCaeEDZOc03CqDzRjJkPLactKqw3eR0XgxO2iHm52hiy2Wqam/yp2OesfjF8LXdcyNMU jmkQUoijL6sZujSZ8MVIxSajwO28dp+/sK4VbYBsV5KsaoW76lo9u1UWBqFL3XpFW5SD AQ+g== X-Gm-Message-State: AOJu0Yyl7HM0IdBh7WCHIJ47xBWCQ9aF3cjtykm39WTGCHV04du7yWv3 WmFkjjx3uf6U/HdytGFcOwSW3eF1UOOtQm5rgasBbkiz1gV9wM7RfWiRINIRO5UAgc55ykvoSLw dEjZdldozcHdRRKC3/hfk+2AZaHd4WOUm/Wk= X-Google-Smtp-Source: AGHT+IHR0muEiI+vzQSoLkZ+lFmhSbrffxTNX3taJ0pk4cF2zemufP4vFVgnjFP4pbQ5fWxQT4vHbUinTg4OE4vK7no= X-Received: by 2002:a17:906:af06:b0:a47:2ec5:57dd with SMTP id lx6-20020a170906af0600b00a472ec557ddmr810696ejb.72.1711540818899; Wed, 27 Mar 2024 05:00:18 -0700 (PDT) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 From: Mateusz Guzik Date: Wed, 27 Mar 2024 13:00:07 +0100 Message-ID: Subject: truss -f timeout 2 sleep 10 causes breakage To: Konstantin Belousov Cc: FreeBSD Current Content-Type: text/plain; charset="UTF-8" X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.92 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.92)[-0.915]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; MIME_GOOD(-0.10)[text/plain]; MISSING_XM_UA(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; ARC_NA(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_ONE(0.00)[1]; FREEMAIL_ENVFROM(0.00)[gmail.com]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWO(0.00)[2]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::62f:from]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_LAST(0.00)[]; TO_DN_ALL(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+] X-Rspamd-Queue-Id: 4V4QGX2jXHz4jXx Top of main, but I reproduced it on stable/14-e64d827d3 as well. Mere "timeout 2 sleep 10" correctly times out. Running "truss -f timeout 2 sleep 10" prevents timeout from killing sleep and the entire thing refuses to exit, truss has to be killed off with SIGKILL. Here is the best part: after doing the above, going back to mere "timeout 2 sleep 10" (without truss!) no longer works -- timeout gets stuck in the kernel: mi_switch sleepq_catch_signals sleepq_wait_sig _sx_xlock_hard stop_all_proc_block kern_procctl sys_procctl amd64_syscall fast_syscall_common It does react to -9 though. -- Mateusz Guzik