From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx03.syneticon.net ([87.79.32.166]) by bombadil.infradead.org with esmtp (Exim 4.68 #1 (Red Hat Linux)) id 1KDk2q-0004hK-4n for kexec@lists.infradead.org; Tue, 01 Jul 2008 17:53:36 +0000 Message-ID: <486A6F0D.4070802@wpkg.org> Date: Tue, 01 Jul 2008 19:53:17 +0200 From: Tomasz Chmielewski MIME-Version: 1.0 Subject: Re: kexec on mips - anyone has it working? References: <483BCB75.4050901@wpkg.org> <200805301327.11925.nschichan@freebox.fr> <483FE764.1090901@wpkg.org> <200807011542.29274.nschichan@freebox.fr> In-Reply-To: <200807011542.29274.nschichan@freebox.fr> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Nicolas Schichan Cc: linux-mips@linux-mips.org, openwrt-devel@lists.openwrt.org, Kexec Mailing List Nicolas Schichan schrieb: > On Friday 30 May 2008 13:39:16 Tomasz Chmielewski wrote: > > Hello, > >> Nicolas Schichan schrieb: >>> On Thursday 29 May 2008 22:15:47 Tomasz Chmielewski wrote: >>>> Will call new kernel at 00305000 >>> The calling address of the kernel looks quite wrong, it should clearly >>> be inside the KSEG0 zone. could you please indicate the output of the >>> command "mips-linux-readelf -l vmlinux" ? >> # uname -m >> mips >> # readelf -l vmlinux >> >> Elf file type is EXEC (Executable file) >> Entry point 0x80251b50 > > This is quite surprising. The jump address that kexec will use is > cleary not what I expected. I would have expected it to be the Entry > point address given by readelf. > > could you try the following patch to make sure that the kimage* > structure is not corrupted by the code in machine_kexec() ? > > Index: linux/arch/mips/kernel/machine_kexec.c > =================================================================== > --- linux/arch/mips/kernel/machine_kexec.c (revision 8056) > +++ linux/arch/mips/kernel/machine_kexec.c (working copy) > @@ -49,6 +49,8 @@ > unsigned long entry; > unsigned long *ptr; > > + printk("image->start = %p", image->start); > + > reboot_code_buffer = > (unsigned long)page_address(image->control_code_page); Umm? CC arch/mips/kernel/machine_kexec.o cc1: warnings being treated as errors arch/mips/kernel/machine_kexec.c: In function 'machine_kexec': arch/mips/kernel/machine_kexec.c:52: warning: format '%p' expects type 'void *', but argument 2 has type 'long unsigned int' make[6]: *** [arch/mips/kernel/machine_kexec.o] Error 1 make[5]: *** [arch/mips/kernel] Error 2 make[5]: Leaving directory `/home/tch-data/openwrt/11612/build_dir/linux-brcm47xx/linux-2.6.25.9' -- Tomasz Chmielewski http://wpkg.org _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec