From owner-freebsd-emulation@FreeBSD.ORG Thu Jan 27 23:27:14 2011 Return-Path: Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 66E2A106564A; Thu, 27 Jan 2011 23:27:14 +0000 (UTC) (envelope-from jacob.frelinger@duke.edu) Received: from smtp.duke.edu (smtp-04.oit.duke.edu [152.3.174.85]) by mx1.freebsd.org (Postfix) with ESMTP id 26C8E8FC15; Thu, 27 Jan 2011 23:27:13 +0000 (UTC) Received: from smtp.duke.edu (localhost.localdomain [127.0.0.1]) by localhost (Postfix) with SMTP id 24CBE358BBF; Thu, 27 Jan 2011 18:27:13 -0500 (EST) Received: from [192.168.1.222] (cpe-069-134-083-232.nc.res.rr.com [69.134.83.232]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.duke.edu (Postfix) with ESMTP id 99E61358BE3; Thu, 27 Jan 2011 18:27:12 -0500 (EST) Message-ID: <4D41FF4C.6050003@duke.edu> Date: Thu, 27 Jan 2011 18:27:08 -0500 From: Jacob Frelinger User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.16) Gecko/20101216 Thunderbird/3.0.11 MIME-Version: 1.0 To: Kostik Belousov References: <4D404145.5020507@duke.edu> <20110126175529.GA92874@freebsd.org> <4D4066F5.3070407@duke.edu> <20110126210843.GA21919@freebsd.org> <20110127214918.GS2518@deviant.kiev.zoral.com.ua> In-Reply-To: <20110127214918.GS2518@deviant.kiev.zoral.com.ua> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version: 5.4.2.338381, Antispam-Engine: 2.6.0.325393, Antispam-Data: 2011.1.27.230017 Cc: Alexander Best , freebsd-emulation@freebsd.org Subject: Re: odd regression in the linux emulator. X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Jan 2011 23:27:14 -0000 On 01/27/11 16:49, Kostik Belousov wrote: > On Wed, Jan 26, 2011 at 09:08:43PM +0000, Alexander Best wrote: >> On Wed Jan 26 11, Jacob Frelinger wrote: >>> On 01/26/11 12:55, Alexander Best wrote: >>>> could you provide the output of 'pkg_info -E linux_dist\*' please? >>> >>> [jolly@moku ~]$ pkg_info -E linux_dist\* >>> linux_dist-gentoo-stage3-20100622 >>> >>>> btw: i also experience the problem. newer versions of linux_dist come with >>>> linux binaries that make heavy use of futextes (even 'ls'). you should see >>>> a lot of futex warnings in 'dmesg -a'. >>> >>> linux: pid 8416 (gmake): linux_sys_futex: op FUTEX_WAIT_BITSET not >>> implemented >>> linux: pid 8907 (ls): linux_sys_futex: op FUTEX_WAIT_BITSET not implemented >>> linux: pid 8908 (ls): linux_sys_futex: op FUTEX_WAIT_BITSET not implemented >>> >>> yup. got those. I saw them before when everything was working though >>> so I assumed they weren't the problem... ls generates them but seems to >>> work just fine. >> >> i think you're right. the futex stuff doesn't seem to be causing problems. i >> performed a kdump -d/linux_ktrace sequence and this is the result: >> >> 8462 gmake RET write 67/0x43 >> 8462 gmake CALL linux_pipe(0xffffbe08) >> 8462 gmake RET linux_pipe 0 >> 8462 gmake CALL close(0x5) >> 8462 gmake RET close 0 >> 8462 gmake CALL linux_fcntl64(0x3,0x2,0x1) >> 8462 gmake RET linux_fcntl64 0 >> 8462 gmake CALL linux_rt_sigprocmask(0,0x806bfe0,0,0x8) >> 8462 gmake RET linux_rt_sigprocmask 0 >> 8462 gmake CALL linux_vfork >> 8462 gmake RET linux_vfork 8463/0x210f >> 8462 gmake CALL linux_rt_sigprocmask(0x2,0xffffbdb0,0,0x8) >> 8462 gmake RET linux_rt_sigprocmask 0 >> 8462 gmake CALL linux_wait4(0xffffffff,0xffffbe5c,0,0) >> 8462 gmake RET linux_wait4 RESTART >> 8462 gmake PSIG SIGCHLD caught handler=0x80541a0 mask=0x0 code=0x0 >> 8462 gmake CALL linux_sigreturn(0xffffbb34) >> 8462 gmake RET linux_sigreturn JUSTRETURN >> 8462 gmake CALL linux_wait4(0xffffffffffffffff,0xffffffffffffbe5c,0,0) >> 8462 gmake RET linux_wait4 -1 errno 14 Bad address >> 8462 gmake CALL write(0x2,0xffff96b8,0xa) >> 8462 gmake GIO fd 2 wrote 10 bytes >> "make: *** " >> 8462 gmake RET write 10/0xa >> 8462 gmake CALL write(0x2,0xffff96b8,0x11) >> 8462 gmake GIO fd 2 wrote 17 bytes >> "wait: Bad address" >> 8462 gmake RET write 17/0x11 >> 8462 gmake CALL write(0x2,0x8068727,0x9) >> 8462 gmake GIO fd 2 wrote 9 bytes >> ". Stop. >> " >> 8462 gmake RET write 9 >> 8462 gmake CALL write(0x2,0xffff9618,0x6) >> 8462 gmake GIO fd 2 wrote 6 bytes >> "make: " >> 8462 gmake RET write 6 >> 8462 gmake CALL write(0x2,0xffff9618,0x23) >> 8462 gmake GIO fd 2 wrote 35 bytes >> "*** Waiting for unfinished jobs...." >> >> ...so something's wrong with the linux_wait4() call. > This should be fixed by r217991. This fixed the problem for me as well. Thanks! -- Jacob Frelinger jacob.frelinger@duke.edu CBB Graduate Student