From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kenneth Chen" Date: Tue, 09 Mar 2004 20:10:50 +0000 Subject: RE: crash on SysRq : Show Memory Message-Id: <200403092010.i29KAom28428@unix-os.sc.intel.com> List-Id: References: <20040309160904.GF7569@mustard.americas.cpqcorp.net> In-Reply-To: <20040309160904.GF7569@mustard.americas.cpqcorp.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Jesse Barnes wrote on Tue, March 09, 2004 11:26 AM > On Tue, Mar 09, 2004 at 10:57:48AM -0800, Grant Grundler wrote: > > On Tue, Mar 09, 2004 at 01:47:15PM -0500, Aron Griffis wrote: > > > Jesse Barnes wrote: [Tue Mar 09 2004, 12:54:25PM EST] > > > > What kind of machine are you running on? > > > > > > Long's Peak. > > > > That's an RX2600 for anyone wanting to find the product on www.hp.com > > Ah, zx1 then. I accidentally deleted the original backtrace and it > doesn't appear to be in the list archives yet, but I'm guessing that > since the panic occured at arch/ia64/mm/contig.c:show_mem+0x100, I'm > guessing the problem is somewhere after the call to show_free_areas(). > I don't have a zx1 box that's easy to test with, so I probably won't be > much help. Looks like it passed beyond show_free_areas(), faulting IP was in the while loop accessing mem_map variable. By the way, the local variable total is redundant in that function. Same data already exists with max_mapnr. - Ken