From owner-freebsd-current@FreeBSD.ORG Fri Aug 2 11:15:35 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 0BE5B802 for ; Fri, 2 Aug 2013 11:15:35 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from eu1sys200aog122.obsmtp.com (eu1sys200aog122.obsmtp.com [207.126.144.153]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 5544F221B for ; Fri, 2 Aug 2013 11:15:33 +0000 (UTC) Received: from mail-wi0-f173.google.com ([209.85.212.173]) (using TLSv1) by eu1sys200aob122.postini.com ([207.126.147.11]) with SMTP ID DSNKUfuU1Eo5RNw9QmqCTWvjp2ewb6XGHMLK@postini.com; Fri, 02 Aug 2013 11:15:34 UTC Received: by mail-wi0-f173.google.com with SMTP id en1so439371wid.0 for ; Fri, 02 Aug 2013 04:15:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-gm-message-state:sender:date:from:message-id:to:subject:reply-to; bh=N8X8Vrx5UVusNGsHVa6ZCAEPKtk1Cj5ukTZ2kfeP0yg=; b=iydDgptZD+/8fjc/eAE1wusWs4WNAIKkTXgtafZyI7lGi47Q5L9picrSvawUgMSS7w bsFNieQyXyD6NyxAz4QTQhOBYOfS8YmJWjDwzKyiczs559iX9oKIMDGxoNr1q0X1Td3L z/N0BqUGkZEHYY0AIaJUMNd5TtNC7idgQ9rggp5T03wTsuLvtSp7/gI4YyesOWwBbjUR 55MH3Kq5A8RM3fWcIsD8qMbm/+t2cI61YeUAwI6+601rORxXFnRKeKXFsEbm0rk7XNuL i+AjCvuwNYGgozEcCgyIf2TgmY9C50XR+N12ZemDhdCgQH15gkkwzd/YddGSYNuFqwUU 1Vqg== X-Gm-Message-State: ALoCoQnq1zKzc18UJBxfzHx7YtmBbN63VfI58oMBXHVmD6+Ue3dLmodwoz8lvBC3OcByxa2nH96MDeTdtP5i4cH4kyA4BHD3p6ganNZ/v7yPz9jEydG72h9aCwwzIFBHtjNr8iJWZJ9lSFhpSgs6leS0pLWsY7zO+UyGUYv/P9D1PhxIST7Yjj4= X-Received: by 10.180.212.112 with SMTP id nj16mr1495247wic.31.1375442132157; Fri, 02 Aug 2013 04:15:32 -0700 (PDT) X-Received: by 10.180.212.112 with SMTP id nj16mr1495242wic.31.1375442132082; Fri, 02 Aug 2013 04:15:32 -0700 (PDT) Received: from mech-anton240.men.bris.ac.uk (mech-anton240.men.bris.ac.uk. [137.222.187.240]) by mx.google.com with ESMTPSA id o10sm2641316wiz.5.2013.08.02.04.15.30 for (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 02 Aug 2013 04:15:31 -0700 (PDT) Sender: Anton Shterenlikht Received: from mech-anton240.men.bris.ac.uk (localhost [127.0.0.1]) by mech-anton240.men.bris.ac.uk (8.14.7/8.14.7) with ESMTP id r72BFTCd017361; Fri, 2 Aug 2013 12:15:29 +0100 (BST) (envelope-from mexas@mech-anton240.men.bris.ac.uk) Received: (from mexas@localhost) by mech-anton240.men.bris.ac.uk (8.14.7/8.14.7/Submit) id r72BFTJx017360; Fri, 2 Aug 2013 12:15:29 +0100 (BST) (envelope-from mexas) Date: Fri, 2 Aug 2013 12:15:29 +0100 (BST) From: Anton Shterenlikht Message-Id: <201308021115.r72BFTJx017360@mech-anton240.men.bris.ac.uk> To: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org Subject: ia64 r252055: panic: _mtx_lock_sleep: recursed on non-recursive mutex process lock @ /usr/src/sys/ia64/ia64/trap.c:562 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: mexas@bris.ac.uk List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Aug 2013 11:15:35 -0000 This happened when exiting from cssh session: panic: _mtx_lock_sleep: recursed on non-recursive mutex process lock @ /usr/src/ sys/ia64/ia64/trap.c:562 cpuid = 1 KDB: enter: panic [ thread pid 52881 tid 100409 ] Stopped at kdb_enter+0x92: [I2] addl r14=0xffffffffffe29320,gp ;; db> show msgbuf msgbufp = 0xe0000040fffbffb8 magic = 63062, size = 98232, r= 17481, w = 17615, ptr = 0xe0000040fffa8000, cksu m= 1385682 panic: _mtx_lock_sleep: recursed on non-recursive mutex process lock @ /usr/src/ sys/ia64/ia64/trap.c:562 db> show thread Thread 100409 at 0xe0000001c8033200: proc (pid 52881): 0xe0000001c8284de0 name: perl stack: 0xa0000000be90a000-0xa0000000be911fff flags: 0x4 pflags: 0 state: RUNNING (CPU 1) priority: 133 container lock: sched lock 1 (0x9ffc000000c4c780) db> show proc Process 52881 (perl) at 0xe0000001c8284de0: state: NORMAL uid: 1001 gids: 1001, 0, 1003 parent: pid 34291 at 0xe00000001b9e04a0 ABI: FreeBSD ELF64 arguments: /usr/local/bin/perl threads: 1 100409 Run CPU 1 perl db> thread 100409 [ thread pid 52881 tid 100409 ] kdb_enter+0x92: [I2] addl r14=0xffffffffffe29320,gp ;; db> bt trap(0x14, 0xa0000000be910c00) at trap+0x980 ivt_Data_TLB() at ivt_Data_TLB+0x1d0 --- trapframe at 0xa0000000be910c00 strlen() at strlen+0x20 kvprintf(0x9ffc000000b0f35a, 0x9ffc000000b56e60, 0xa0000000be911230, 0xa, 0xa000 0000be911300) at kvprintf+0xc80 vprintf(0x9ffc000000b0f358, 0xa0000000be9112f8) at vprintf+0xa0 printf(0x9ffc000000b0f358, 0x9ffc000000b10660, 0xa000000000202400, 0x8, 0xa00000 0000207700, 0xae, 0x8, 0xae) at printf+0x80 _isitmyx(0xa000000000202400, 0xa000000000207700, 0x1, 0x9ffc000000b10660) at _is itmyx+0x260 isitmychild(0xa000000000202400, 0xa000000000207700, 0x9ffc000000531370, 0xb9d, 0 x7fffffffffffd6f0) at isitmychild+0x30 witness_checkorder(0xe00000001ba04ca8, 0x9, 0x9ffc000000b062f8, 0x28e, 0x0) at w itness_checkorder+0x7b0 __mtx_lock_flags(0xe00000001ba04ca8, 0x0, 0x9ffc000000b062f8, 0x28e) at __mtx_lo ck_flags+0x190 kern_sigaction(0xe0000001c8284de0, 0x14, 0x0, 0xa0000000be911380, 0x9ffc000000b0 62f8) at kern_sigaction+0x90 sys_sigaction(0xe0000001c8033200, 0xa0000000be9114e8, 0x0, 0xa0000000be911380) a t sys_sigaction+0xb0 syscall(0xe0000001c8284de0, 0x0, 0x7fffffffffffd6a0, 0xe0000001c8033200, 0x0, 0x 0, 0x9ffc000000991900, 0x8) at syscall+0x5e0 --More-- epc_syscall_return() at epc_syscall_return db>