From owner-freebsd-current@FreeBSD.ORG Wed Oct 6 23:37:41 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7391A16A50F for ; Wed, 6 Oct 2004 23:37:41 +0000 (GMT) Received: from mproxy.gmail.com (rproxy.gmail.com [64.233.170.205]) by mx1.FreeBSD.org (Postfix) with ESMTP id 12C4F43D4C for ; Wed, 6 Oct 2004 23:37:41 +0000 (GMT) (envelope-from marchenko@gmail.com) Received: by mproxy.gmail.com with SMTP id 74so482110rnk for ; Wed, 06 Oct 2004 16:37:37 -0700 (PDT) Received: by 10.38.165.36 with SMTP id n36mr1804766rne; Wed, 06 Oct 2004 16:37:37 -0700 (PDT) Received: by 10.38.22.66 with HTTP; Wed, 6 Oct 2004 16:37:37 -0700 (PDT) Message-ID: Date: Wed, 6 Oct 2004 19:37:37 -0400 From: Vlad To: Dan Nelson In-Reply-To: <20041006220430.GD3848@dan.emsphone.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <20041006015131.10116be7.ubm@u-boot-man.de> <20041006090104.06710d85.ubm@u-boot-man.de> <20041006154137.GJ47017@green.homeunix.org> <20041006203220.7f8e7b8a.ubm@u-boot-man.de> <20041006192518.GM47017@green.homeunix.org> <20041006202143.GA3848@dan.emsphone.com> <20041006220430.GD3848@dan.emsphone.com> cc: current@freebsd.org cc: Marc UBM Bocklet Subject: Re: [BETA7-panic] sodealloc(): so_count 1 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Vlad List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Oct 2004 23:37:41 -0000 Dan, little problem after your patch has been applied: cc -c -O -pipe -march=pentium3 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes - Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -fformat-extensions -std=c99 -nostd inc -I- -I. -I/usr/src/sys -I/usr/src/sys/contrib/dev/acpica -I/usr/src/sys/contrib/altq -I/u sr/src/sys/contrib/ipfilter -I/usr/src/sys/contrib/pf -I/usr/src/sys/contrib/dev/ath -I/usr/sr c/sys/contrib/dev/ath/freebsd -I/usr/src/sys/contrib/ngatm -D_KERNEL -include opt_global.h -fn o-common -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000 -mno-align-long-strings -mpreferred-stack-boundary=2 -ffreestanding -Werror /usr/src/sys/i3 86/i386/dump_machdep.c /usr/src/sys/i386/i386/dump_machdep.c: In function `dump_write': /usr/src/sys/i386/i386/dump_machdep.c:122: warning: passing arg 3 of pointer to function makes integer from pointer without a cast *** Error code 1 line 122 is rv = di->dumper(di->priv, ptr, NULL, dumplo, len); also, would you tell how to configure it to gzip data after I'll get it comlied? there will be sysctl parameter to set? On Wed, 6 Oct 2004 17:04:30 -0500, Dan Nelson wrote: > > > In the last episode (Oct 06), Vlad said: > > > If you apply the crashdump_compress patch at > > > http://dan.allantgroup.com/FreeBSD/ , you can generate lzop or > > > gzip-compressed dumps. lzop will let you dump 1GB of ram into 512MB of > > > swap, and gzip will do even better (but is much much slower). > > > > > > > I'll try that. One question: does that code has bounds checking > > mechanism, so there will be no data harmed (past swap partition) even > > if compressed dump will be bigger than swap partition? > > Yes. All of the functions that write data end up calling the > dump_write() function, which will fail if an attempt is made to write > outside the dump device. In addition, the code does a preliminary > compress to determine where it should start writing the dump. If that > size is larger than your dumpdevice, it will print a "Dump failed. > Partition too small." error and won't write to disk at all. > -- Vlad