From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1GaIZz-0008Ha-Po for user-mode-linux-devel@lists.sourceforge.net; Wed, 18 Oct 2006 14:03:59 -0700 Received: from gwu.lbox.cz ([62.245.111.132]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1GaIZz-0006tF-21 for user-mode-linux-devel@lists.sourceforge.net; Wed, 18 Oct 2006 14:03:59 -0700 Message-ID: <453696AD.8020903@linuxbox.cz> Date: Thu, 19 Oct 2006 00:03:41 +0300 From: Nikola Ciprich MIME-Version: 1.0 References: <4536495E.7010006@l4x.org> <20061018190957.GG6566@ccure.user-mode-linux.org> <45367D7E.9040609@l4x.org> In-Reply-To: <45367D7E.9040609@l4x.org> Subject: Re: [uml-devel] Programs in guest segfault, amd64 host and guest List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Jan Dittmer Cc: user-mode-linux-devel@lists.sourceforge.net try exporting LD_ASSUME_KERNEL=2.4.1 before executing Your application, to see if that works - this disables usage of NPTL Jan Dittmer wrote: > Jeff Dike wrote: > >> On Wed, Oct 18, 2006 at 05:33:50PM +0200, Jan Dittmer wrote: >> >>> clone(Process 484 attached >>> child_stack=0x4244e280, >>> flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|CLONE_DETACHED, >>> parent_tidptr=0x4244e9f0, tls=0x4244e960, child_tidptr=0x4244e9f0) = 484 >>> [pid 483] rt_sigprocmask(SIG_SETMASK, [], >>> [pid 484] --- SIGSEGV (Segmentation fault) @ 0 (0) --- >>> Process 484 detached >>> <... rt_sigprocmask resumed> NULL, 8) = 0 >>> +++ killed by SIGSEGV +++ >>> >> I suspect it's due to UML/x86_64 having incomplete NPTL support, >> although I've had almost no problems with up-to-date Fedora >> filesystems on x86_64. The one thing I do see is yum segfaulting >> occassionally, but I haven't been able to tie that to NPTL. >> > > This is 100% reproducible here. Perfect test case. How to debug? > > Jan > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > User-mode-linux-devel mailing list > User-mode-linux-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel > ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel