From owner-freebsd-bugs@FreeBSD.ORG Tue Jun 22 17:10:04 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BF4081065675 for ; Tue, 22 Jun 2010 17:10:04 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 957398FC0C for ; Tue, 22 Jun 2010 17:10:04 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o5MHA4eB084156 for ; Tue, 22 Jun 2010 17:10:04 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o5MHA47E084155; Tue, 22 Jun 2010 17:10:04 GMT (envelope-from gnats) Resent-Date: Tue, 22 Jun 2010 17:10:04 GMT Resent-Message-Id: <201006221710.o5MHA47E084155@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Mark Atkinson Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 01EEE1065675 for ; Tue, 22 Jun 2010 17:08:39 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id E49FA8FC16 for ; Tue, 22 Jun 2010 17:08:38 +0000 (UTC) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id o5MH8cfG046201 for ; Tue, 22 Jun 2010 17:08:38 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id o5MH8cWi046200; Tue, 22 Jun 2010 17:08:38 GMT (envelope-from nobody) Message-Id: <201006221708.o5MH8cWi046200@www.freebsd.org> Date: Tue, 22 Jun 2010 17:08:38 GMT From: Mark Atkinson To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/148070: panic: _mtx_lock_sleep: recursed on non-recursive mutex XPT topology lock @ /usr/src/sys/cam/cam_xpt.c:4814 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Jun 2010 17:10:04 -0000 >Number: 148070 >Category: kern >Synopsis: panic: _mtx_lock_sleep: recursed on non-recursive mutex XPT topology lock @ /usr/src/sys/cam/cam_xpt.c:4814 >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jun 22 17:10:04 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Mark Atkinson >Release: FreeBSD-current Revision: 209398 >Organization: >Environment: FreeBSD dl385g5 9.0-CURRENT FreeBSD 9.0-CURRENT #9 r: Tue Jun 22 08:07:09 PDT 2010 root@dl385g5:/usr/obj/usr/src/sys/DL385G5 amd64 >Description: camcontrol negotiate causes a recursed on non-recursive mutex panic in xpt. amd64 GENERIC kernel. ciss0@pci0:70:0:0: class=0x010400 card=0x3234103c chip=0x3230103c rev=0x04 hdr=0x00 vendor = 'Hewlett-Packard Company' device = 'Smart Array P400 Controller (Smart Array P400 Controller)' class = mass storage subclass = RAID # camcontrol devlist at scbus0 target 0 lun 0 (pass0,da0) # camcontrol negotiate 0:0:0 -v panic: _mtx_lock_sleep: recursed on non-recursive mutex XPT topology lock @ /usr/src/sys/cam/cam_xpt.c:4814 cpuid = 0 KDB: enter: panic [ thread pid 26183 tid 100161 ] Stopped at kdb_enter+0x3d: movq $0,0x6d03c0(%rip) db> bt Tracing pid 26183 tid 100161 td 0xffffff0048c98b70 kdb_enter() at kdb_enter+0x3d panic() at panic+0x17b _mtx_lock_sleep() at _mtx_lock_sleep+0x151 _mtx_lock_flags() at _mtx_lock_flags+0xe1 xptpdperiphtraverse() at xptpdperiphtraverse+0x1c xptpdrvtraverse() at xptpdrvtraverse+0x43 xpt_action_default() at xpt_action_default+0xbf7 xptioctl() at xptioctl+0x633 devfs_ioctl_f() at devfs_ioctl_f+0x76 kern_ioctl() at kern_ioctl+0xc5 ioctl() at ioctl+0xef syscallenter() at syscallenter+0xef syscall() at syscall+0x4c Xfast_syscall() at Xfast_syscall+0xe1 --- syscall (54, FreeBSD ELF64, ioctl), rip = 0x800a7976c, rsp = 0x7fffffffd978, rbp = 0x3 --- >How-To-Repeat: camcontrol negotiate on a ciss device. >Fix: >Release-Note: >Audit-Trail: >Unformatted: