From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <48BCE69F.2080307@domain.hid> Date: Tue, 02 Sep 2008 09:09:19 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <971398.39540.qm@domain.hid> In-Reply-To: <971398.39540.qm@domain.hid> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-core] RT_HEAP Problem List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: yasser_kashfi@domain.hid Cc: xenomai@xenomai.org Yasser Kashfi wrote: > this program previously worked on another PC. but now when I execute > it on the new PC, It cause the kernel panic ( Unable to handle null > pointer reference ...). same kernel is run on two PC, and not seems > any difference. but now I print memory status (/proc/meminfo). a > huge difference is found! in first pc ( that program worked ) total > vmalloc = totol memory = 510 M and highmem = 0, but on second pc ( > that kernel panic ) total vmalloc = 119M but total memory = 1 G and > highmem = 122. have everyone any idea? It seems that highmem could be the problem right ? To confirm that this is the issue, could you recompile your kernel with CONFIG_VMSPLIT_3G_OPT ? -- Gilles.