From owner-freebsd-hackers@FreeBSD.ORG Fri Oct 18 15:33:08 2013 Return-Path: Delivered-To: hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 7BD1E5A9 for ; Fri, 18 Oct 2013 15:33:08 +0000 (UTC) (envelope-from prvs=1003132fe8=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 1DFDC2BA9 for ; Fri, 18 Oct 2013 15:33:07 +0000 (UTC) Received: from r2d2 ([82.69.141.170]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50006443500.msg for ; Fri, 18 Oct 2013 16:33:05 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Fri, 18 Oct 2013 16:33:05 +0100 (not processed: message from valid local sender) X-MDDKIM-Result: neutral (mail1.multiplay.co.uk) X-MDRemoteIP: 82.69.141.170 X-Return-Path: prvs=1003132fe8=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: hackers@freebsd.org Message-ID: From: "Steven Hartland" To: Subject: panic on close of /dev/xen/evtchn Date: Fri, 18 Oct 2013 16:33:27 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Oct 2013 15:33:08 -0000 Just had my test box panic while doing a: find / -print0 | xargs -0 cat Ignoring the fact thats a silly command to run, the panic appears to be when it ran: cat /dev/xen/evtchn On the session it then printed: cat: /dev/xen/evtchn: Interrupted system call At this point the system paniced. Panic transcribed from screen is: Stopped at evtchn_close:0x67: lock bts| %ebx,0xa00(%rax) db> bt Tracing pdi 1533 tid 100370 td 0xfffff8000796e920 evtchn_close() at evtchn_close+0x67/frame ... devfs_close() at devs_close+0x188/frame ... VOP_CLOSE_APV() at VOP_CLOSE_APV+0x139/frame ... vn_close() at vn_close+0x139/frame ... vn_closefile() at vn_closefile+0x48/frame ... _fdrop() at _fdrop+0x29/frame ... closef() at closef+0x1d1/frame ... closefp() at closefp+0xa0/frame ... amd64_syscall() at amd64_syscall+0x265/frame ... Xfast_syscall() at Xfast_syscall+0xfb/frame ... --- syscall (6, FreeBSD ELF64, sys_close), rip = 0x80094a9ea, rsp = 0x7ffffffb8e28, rbp -= 0x7ffffffb8f70 --- Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.