From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx3-phx2.redhat.com ([209.132.183.24]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WHx0N-0007Qn-68 for kexec@lists.infradead.org; Mon, 24 Feb 2014 14:59:40 +0000 Date: Mon, 24 Feb 2014 09:59:17 -0500 (EST) From: Dave Anderson Message-ID: <1890371822.15122719.1393253957343.JavaMail.zimbra@redhat.com> In-Reply-To: <0910DD04CBD6DE4193FCF86B9C00BE971EC432@BPXM01GP.gisp.nec.co.jp> References: <0910DD04CBD6DE4193FCF86B9C00BE971EAF68@BPXM01GP.gisp.nec.co.jp> <1347294540.11438228.1392821415316.JavaMail.zimbra@redhat.com> <1598236100.13279715.1392929150735.JavaMail.zimbra@redhat.com> <0910DD04CBD6DE4193FCF86B9C00BE971EC432@BPXM01GP.gisp.nec.co.jp> Subject: Re: [Crash-utility] crash: struct command can read irrelevant pages. MIME-Version: 1.0 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" Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: "Discussion list for crash utility usage, maintenance and development" Cc: kexec@lists.infradead.org ----- Original Message ----- > >Hello Atsushi, > > > >I've committed a SLAB/SLUB kmem_cache-specific fix for this issue: > > > > https://github.com/crash-utility/crash/commit/c0b7a74fc13121203810d06d163550436b2d5476 > > > >which is queued for crash-7.0.6. > > Thanks Dave, I made sure that this patch solved my problem. OK good, thanks. > >> This is a "known" issue has been discussed on the crash-utility list in the > >> past, at least with respect to the kmem_cache data structure. But for any random > >> data structure that has such a construct, I'm not sure what can be done. > > I also have no ideas how to solve it, but it seems that it hasn't been a > practical problem yet. So I think your patch is enough for now. At least with compressed kdumps, the "crash --zero_excluded" command line option, or "set zero_excluded on" during runtime, should handle 99% of the cases. Dave _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec