From owner-freebsd-current@freebsd.org Tue Aug 7 19:55:18 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id ADC3A10697B2 for ; Tue, 7 Aug 2018 19:55:18 +0000 (UTC) (envelope-from johalun0@gmail.com) Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 219E07F596 for ; Tue, 7 Aug 2018 19:55:18 +0000 (UTC) (envelope-from johalun0@gmail.com) Received: by mail-wr1-x42f.google.com with SMTP id u12-v6so16885626wrr.4 for ; Tue, 07 Aug 2018 12:55:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=wJaVKhB55rpG3fhh23J7vTERI+rQp4mSdryknqAka9w=; b=CVGUPcCmz3CubmV576DKmXQJO5Y+DNrk181uxWvPAQ/TDiHtD2hoGTcLoZWhgMhJnI +w5KqY446QRpOdWsJs5nZ42HLF/wIKo+HaqpFdHNRsfNStz3VjSRG7rLdjnqjhD638o5 MVDetyFOL6YtBHGOZfkZAo+ro8zsxoUX4K+gJez/z8wprUK9Lnz2rP/bI563Nv7F5cM8 DZ/U95iDZqQBlSCjLXj7Dp0vsEyNdBOaTPWrESU556gTq8BtwYH87ztUaC+1njpAGMsy QiwD+MRzbycA1nDdG5jldkRCMQ/9zmP9ZMp0VSJp730wVS11s14NmUYZdFUKQYTaJv7P e2Bw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=wJaVKhB55rpG3fhh23J7vTERI+rQp4mSdryknqAka9w=; b=fbZ02WC0MVNP/aY2IrMR9lTL/ufocvwhSKwFEqMkq75cT4vm/NaaZ5awA1IOu5G2YV 2aydPJUzaj9cfqKytvN28d41I8DhEwv+VpMSaVbNZsfkhMLNK86eYksdERyeBZv/82k7 YkERIaBl35sFG+WA3iKUVT7/U76xw7+eT3fT/nAf4ccIOREeYUeimUlsDs1SJBEqgtDo hYMp7yxh/eKgONEnbaFr4XFHyRQ2fusOFoWzuQN6E4mNBhP9yW7UdZS3iADkRT9nRHJv BA4yluqkkCekxVMCQ/ibsfK8QtoEaDL7QKjkJVWdArFLHLgnEee2ujVYP9BjtDnybWUu piSA== X-Gm-Message-State: AOUpUlGa9el+i7HbjafP0gOq5GP7uJdKnZSQHxV0VJj5zg3w/van5HOg 1kwVxOyOVDEutgbqCCsVhhWQh/y+Ujp5sHRSbMexIgYf X-Google-Smtp-Source: AAOMgpcbT0bfZ7qHthftYXcBeonKAlGn95CXEYC/3QSorSm7tvspgAovMOHy0FN/rTeY8qxWuX8cAz4u2djTktuzjRE= X-Received: by 2002:adf:93a3:: with SMTP id 32-v6mr13167690wrp.140.1533671716294; Tue, 07 Aug 2018 12:55:16 -0700 (PDT) MIME-Version: 1.0 From: Johannes Lundberg Date: Tue, 7 Aug 2018 20:54:39 +0100 Message-ID: Subject: Unkillable linux processes To: freebsd-current Cc: Konstantin Belousov Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.27 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Aug 2018 19:55:18 -0000 Hi I seem to have some unkillable Linux processes... This is on my AMD Ryzen, the exact same installation on my Broadwell laptop does not show this behavior. At the second top output, the three remaining processes' cpu usage is fluctuating, just as when they are running normally. Kernel is from one or two days ago with kib's patch that I got the other day. root@amd:~ # top PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 978 boinc 3 155 i31 129M 64M futex 3 0:52 100.74% wcgrid_zika_vina_7. 979 boinc 3 155 i31 112M 47M futex 2 0:56 99.24% wcgrid_oet1_vina_7. 980 boinc 2 155 i31 150M 87M CPU3 3 0:46 97.66% wcgrid_mip1_rosetta 977 boinc 3 155 i31 109M 43M futex 1 0:56 97.39% wcgrid_oet1_vina_7. root@amd:~ # service boinc-client stop Stopping boinc_client. Waiting for PIDS: 892. root@amd:~ # top last pid: 1003; load averages: 3.18, 2.04, 0.94 up 0+00:05:31 20:48:06 25 processes: 1 running, 21 sleeping, 3 stopped CPU: 0.0% user, 0.0% nice, 73.8% system, 0.0% interrupt, 26.2% idle Mem: 157M Active, 2736K Inact, 300M Wired, 162M Buf, 2907M Free Swap: PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 977 boinc 2 20 i31 110M 44M STOP 0 3:57 100.00% wcgrid_oet1_vina_7. 979 boinc 2 20 i31 113M 47M STOP 0 3:54 97.02% wcgrid_oet1_vina_7. 978 boinc 2 20 i31 130M 64M STOP 0 3:50 96.12% wcgrid_zika_vina_7. root@amd:~ # procstat -ak | grep wcgrid 977 100162 wcgrid_oet1_vina_7. - mi_switch thread_suspend_switch thread_single exit1 linux_exit_group ia32_syscall int0x80_syscall_common 977 100172 wcgrid_oet1_vina_7. - witness_checkorder __mtx_lock_flags linux_sys_futex ia32_syscall int0x80_syscall_common 978 100163 wcgrid_zika_vina_7. - mi_switch thread_suspend_switch thread_single exit1 linux_exit_group ia32_syscall int0x80_syscall_common 978 100174 wcgrid_zika_vina_7. - __mtx_lock_flags futex_put linux_sys_futex ia32_syscall int0x80_syscall_common 979 100132 wcgrid_oet1_vina_7. - mi_switch thread_suspend_switch thread_single exit1 linux_exit_group ia32_syscall int0x80_syscall_common 979 100171 wcgrid_oet1_vina_7. - linux_sys_futex ia32_syscall int0x80_syscall_common