From owner-freebsd-stable@FreeBSD.ORG Fri Jun 6 22:08:17 2014 Return-Path: Delivered-To: freebsd-stable@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 ESMTPS id 86F4CD07; Fri, 6 Jun 2014 22:08:17 +0000 (UTC) Received: from mail-qa0-x22d.google.com (mail-qa0-x22d.google.com [IPv6:2607:f8b0:400d:c00::22d]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 395C724B0; Fri, 6 Jun 2014 22:08:17 +0000 (UTC) Received: by mail-qa0-f45.google.com with SMTP id hw13so4911470qab.32 for ; Fri, 06 Jun 2014 15:08:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ALcz0tyrdBrJFZo9fZH0GL/A9/hjNL5cWeaxFEPAKj8=; b=o2KIelIF8hMiEh1dudbqTtUWtb6lJy3wZWshaiDco+ZpvJw7o+wSoAccfMjszQVpP2 CXllcdjf63/ioqbcYvWEPsLTxlvcurKgMnSJYNBKrpj3dTOHM0g2b7P/aGL7GR2hACJQ p+64MS+AvX5y1bGz6WDm8SmJx0Q8PhmqgQGqwWVjd4dzz1Oxv8VnW8O1ELaDzFJ/N0nq nWnDnn4T6V2CcG9JTeovO8W5D1kp+dF9oJEyK6tW5WETHrjqD1mi8zk+2Qe/RTMP2JNO UIi2r1KyuapZOgG9lyCXzhd9gG8rzLAM13R1YitnMq27hmZGjaLbW3CXmT5NRYf6/TDl JDNA== MIME-Version: 1.0 X-Received: by 10.224.55.6 with SMTP id s6mr13068431qag.7.1402092495791; Fri, 06 Jun 2014 15:08:15 -0700 (PDT) Received: by 10.96.73.39 with HTTP; Fri, 6 Jun 2014 15:08:15 -0700 (PDT) In-Reply-To: <201405091348.02454.jhb@freebsd.org> References: <1398097892.1101.6.camel@powernoodle.corp.yahoo.com> <201405081219.27412.jhb@freebsd.org> <201405091348.02454.jhb@freebsd.org> Date: Fri, 6 Jun 2014 15:08:15 -0700 Message-ID: Subject: Re: stable/10 panic From: hiren panchasara To: John Baldwin Content-Type: text/plain; charset=UTF-8 Cc: freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Jun 2014 22:08:17 -0000 This is the new one I've seen happening intermittently on the same set of hosts: panic: Unlocked pipe passed to pipeunlock cpuid = 8 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe048e18a7e0 kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe048e18a890 vpanic() at vpanic+0x126/frame 0xfffffe048e18a8d0 kassert_panic() at kassert_panic+0x136/frame 0xfffffe048e18a940 pipe_write() at pipe_write+0xa00/frame 0xfffffe048e18a9f0 dofilewrite() at dofilewrite+0x85/frame 0xfffffe048e18aa40 kern_writev() at kern_writev+0x65/frame 0xfffffe048e18aa90 sys_write() at sys_write+0x63/frame 0xfffffe048e18aae0 ia32_syscall() at ia32_syscall+0x255/frame 0xfffffe048e18abf0 Xint0x80_syscall() at Xint0x80_syscall+0x95/frame 0xfffffe048e18abf0