From owner-freebsd-stable@freebsd.org Thu Nov 12 10:48:46 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D3EE0A2DAEB for ; Thu, 12 Nov 2015 10:48:46 +0000 (UTC) (envelope-from johan@300.nl) Received: from mail-wm0-x232.google.com (mail-wm0-x232.google.com [IPv6:2a00:1450:400c:c09::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 66C821D48 for ; Thu, 12 Nov 2015 10:48:46 +0000 (UTC) (envelope-from johan@300.nl) Received: by wmww144 with SMTP id w144so82458610wmw.0 for ; Thu, 12 Nov 2015 02:48:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=300.nl; s=tip; h=content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=YixYTCUs8x/XQBjJVCax4M8j68f8S7XOq1G6Jev+fZY=; b=G9ev8rUOjLtIjb+q0mlC/Y84nkfOLg/IFcZ9FjrNFPkwl1OTqzCjaz+zqYpDaIXgmv ztKQrlZIeuvjF4vaCtX+crxstIR2rAwt1e5zWJ0/mVCk64K3x182p3lL2rxMU+ntecx7 6OYApEjEVLuN8vFMINPkEP1ko5Y7PZb1rEpEE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=YixYTCUs8x/XQBjJVCax4M8j68f8S7XOq1G6Jev+fZY=; b=BU+GTxP1LY8JKXwovkJxLrz6c/I8NVw0FK0cOamGbdtBMMZ52ABgASks8nhBwjEvdS QzVF9d7321NLp+kOsCw6L6viUT+EWgfI8AyaONhtCr4pfdoLmp3pramkbxCnNljl0wvr Z5DyscrJKizGfRYBNapnIJ4Y50MRUIWibXJBfukCbvPOr/n1NiQVT/OIa70xH9xgAfBO Zk1i0IsVYkWfhZ2l/wMLfETDHy+gTbFqeYbWEcc8HRRvgSGummQ9omgh1f8GoFvwMxEV EzpOeGWNWthKXsxqY0UI27Ir5x4UmUGmdGdgtObprWh/bvulNDGAR0vXQ1vFM3fnM4m8 WGQw== X-Gm-Message-State: ALoCoQmotNuaL53XoxYKhYMPkdFc7CeQaN8GCpiUexv6u2R9ls7/UdPZM5HNbHGe8Kc9KP9SwU03 X-Received: by 10.28.15.136 with SMTP id 130mr17500728wmp.36.1447325324766; Thu, 12 Nov 2015 02:48:44 -0800 (PST) Received: from [10.2.7.141] (kantoor.transip.nl. [80.69.69.100]) by smtp.gmail.com with ESMTPSA id l186sm30023120wmg.19.2015.11.12.02.48.43 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 12 Nov 2015 02:48:44 -0800 (PST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.1 \(3096.5\)) Subject: Re: Unkillable process in STOP state From: Johan Schuijt-Li In-Reply-To: <20151112104558.GW31314@zxy.spb.ru> Date: Thu, 12 Nov 2015 11:48:43 +0100 Cc: freebsd-stable@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <3CF03A81-3C47-45D1-8324-F9BE50E0BD3E@300.nl> References: <20151112001249.GI48728@zxy.spb.ru> <72B672CE-DDDE-4E3D-83C9-617B5225960D@300.nl> <20151112104558.GW31314@zxy.spb.ru> To: Slawa Olhovchenkov X-Mailer: Apple Mail (2.3096.5) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2015 10:48:47 -0000 Yeah, the only difference we had that for us the status was 'Ds' rather = then 'STOP'. So the status is most likely irrelevant, at least the = traces are exactly the same! :) - Johan > On 12 Nov 2015, at 11:45, Slawa Olhovchenkov wrote: >=20 > On Thu, Nov 12, 2015 at 07:05:46AM +0100, Johan Schuijt-Li wrote: >=20 >> This seems like the exact same problem as that we=E2=80=99ve had, = more details can be found in the following PR: >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D200992 = >=20 > May be. Other time I am see "sleep without queue" status >=20 >> The patch attached there solved all our problems. >=20 > I am try this patch on next update, thanks. >=20 >> - Johan >>=20 >>=20 >>> On 12 Nov 2015, at 01:12, Slawa Olhovchenkov wrote: >>>=20 >>> I have amd64, STABLE r288167. >>>=20 >>> root@edge09:/home/admin # procstat -k -k 627 >>> PID TID COMM TDNAME KSTACK = =20 >>> 627 100167 tcpkali.new - mi_switch+0xe1 = thread_suspend_switch+0x170 thread_single+0x4e5 exit1+0xbe = sys_sys_exit+0xe amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100172 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100173 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100174 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100175 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100178 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 100180 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 102207 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 102208 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 102209 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> 627 102211 tcpkali.new - mi_switch+0xe1 = sleepq_timedwait_sig+0x8b _sleep+0x238 kern_kevent+0x401 = sys_kevent+0x12a amd64_syscall+0x357 Xfast_syscall+0xfb=20 >>> root@edge09:/home/admin # procstat -t 627 >>> PID TID COMM TDNAME CPU PRI STATE WCHAN = =20 >>> 627 100167 tcpkali.new - 10 120 stop - = =20 >>> 627 100172 tcpkali.new - 3 152 stop - = =20 >>> 627 100173 tcpkali.new - 5 152 stop - = =20 >>> 627 100174 tcpkali.new - 3 152 stop - = =20 >>> 627 100175 tcpkali.new - 2 149 stop - = =20 >>> 627 100178 tcpkali.new - 5 152 stop - = =20 >>> 627 100180 tcpkali.new - 2 132 stop - = =20 >>> 627 102207 tcpkali.new - 5 136 stop - = =20 >>> 627 102208 tcpkali.new - 3 152 stop - = =20 >>> 627 102209 tcpkali.new - 5 139 stop - = =20 >>> 627 102211 tcpkali.new - 1 120 stop - = =20 >>>=20 >>> kill -STOP don't have effect. >>> gdb can't be attached. >>> _______________________________________________ >>> freebsd-stable@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-stable >>> To unsubscribe, send any mail to = "freebsd-stable-unsubscribe@freebsd.org" >>=20