From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from fanzine2.igalia.com ([213.97.179.56]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n00pE-00AHqt-Ge for kexec@lists.infradead.org; Wed, 22 Dec 2021 12:34:33 +0000 Subject: Re: [PATCH 3/3] panic: Allow printing extra panic information on kdump References: <20211109202848.610874-1-gpiccoli@igalia.com> <20211109202848.610874-4-gpiccoli@igalia.com> From: "Guilherme G. Piccoli" Message-ID: <2d24ea70-e315-beb5-0028-683880c438be@igalia.com> Date: Wed, 22 Dec 2021 09:34:13 -0300 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US 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=infradead.org@lists.infradead.org To: Dave Young Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, mcgrof@kernel.org, keescook@chromium.org, yzaikin@google.com, akpm@linux-foundation.org, feng.tang@intel.com, siglesias@igalia.com, kernel@gpiccoli.net, kexec@lists.infradead.org On 22/12/2021 08:45, Dave Young wrote: > Hi Guilherme, > > Thanks for you patch. Could you add kexec list for any following up > patches? This could change kdump behavior so let's see if any comments > from kexec list. > > Kudos for the lore+lei tool so that I can catch this by seeing this > coming into Andrews tree :) Hi Dave, I'm really sorry for not adding the kexec list, I forgot. But I will do next time for sure, my apologies. And thanks for taking a look after you noticed that on lore, I appreciate your feedback! > [...] > People may enable kdump crashkernel and panic_print together but > they are not aware the extra panic print could cause kdump not reliable > (in theory). So at least some words in kernel-parameters.txt would > help. > That makes sense, I'll improve that in a follow-up patch, how about that? Indeed it's a good idea to let people be sure that panic_print might affect kdump reliability, although I consider the risk to be pretty low. And I'll loop the kexec list for sure! Cheers, Guilherme _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec