From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from systemhalted (CPE0080c82c70ca.cpe.net.cable.rogers.com [24.112.140.233]) by dsl2.external.hp.com (Postfix) with ESMTP id C5C6D4829 for ; Thu, 29 Aug 2002 06:45:00 -0600 (MDT) Date: Thu, 29 Aug 2002 08:42:43 -0400 From: Carlos O'Donell To: jsoe0708@tiscali.be Cc: parisc-linux@lists.parisc-linux.org Subject: Re: [parisc-linux] Back to evms-1.0.1 && unaligne access && gdb Message-ID: <20020829124243.GB5456@systemhalted> References: <3D53B3B700008549@ocpmta1.be.tiscali.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <3D53B3B700008549@ocpmta1.be.tiscali.com> Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: Joel, > I need to go back to kernel 2.4.18-pa61 and evms-1.0.1 (see problem in ml: > http://lists.parisc-linux.org/pipermail/parisc-linux/2002-August/017368.html > with last 1.1.0 evsm release) Why do you need to regress versions? > Kernel build and operate correctly. I so recompile tools with -ggdb gcc > option. Then I use ddd to try to debug problem. What did you recompile with "-g"? > So I first run without break and got from console: > evms_vgscan(7998): unaligned access to 0x0002aaae at ip=0x4020a0e3 The unaligned handler took care of it, everything should still be okay. > Accepted but when 'continue' is launch: > warning: Cannot insert breakpoint 2: > Cannot access memory at address 0x4020a0e3 > What do I wrong or what should I better do? AFAIK we are using software breakpoints in gdb, which means that at certain times we _can't_ insert a breakpoint. I'm still unclear about the issues here. What's wrong with evms? It dies from a SIGBUS (unaligned handler failed)? SIGSEGV? Operates incorrectly? c.