From owner-freebsd-stable@freebsd.org Thu Nov 12 00:12:52 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 4F864A2CFA0 for ; Thu, 12 Nov 2015 00:12:52 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0E180180B for ; Thu, 12 Nov 2015 00:12:52 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1ZwfVS-000CCx-1i for freebsd-stable@freebsd.org; Thu, 12 Nov 2015 03:12:50 +0300 Date: Thu, 12 Nov 2015 03:12:49 +0300 From: Slawa Olhovchenkov To: freebsd-stable@freebsd.org Subject: Unkillable process in STOP state Message-ID: <20151112001249.GI48728@zxy.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false 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 00:12:52 -0000 I have amd64, STABLE r288167. root@edge09:/home/admin # procstat -k -k 627 PID TID COMM TDNAME KSTACK 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 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 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 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 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 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 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 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 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 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 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 root@edge09:/home/admin # procstat -t 627 PID TID COMM TDNAME CPU PRI STATE WCHAN 627 100167 tcpkali.new - 10 120 stop - 627 100172 tcpkali.new - 3 152 stop - 627 100173 tcpkali.new - 5 152 stop - 627 100174 tcpkali.new - 3 152 stop - 627 100175 tcpkali.new - 2 149 stop - 627 100178 tcpkali.new - 5 152 stop - 627 100180 tcpkali.new - 2 132 stop - 627 102207 tcpkali.new - 5 136 stop - 627 102208 tcpkali.new - 3 152 stop - 627 102209 tcpkali.new - 5 139 stop - 627 102211 tcpkali.new - 1 120 stop - kill -STOP don't have effect. gdb can't be attached.