From: Kees Cook <keescook@chromium.org>
To: Muni Sekhar <munisekharrms@gmail.com>
Cc: kernel-hardening@lists.openwall.com
Subject: Re: How to get the crash dump if system hangs?
Date: Thu, 10 Oct 2019 11:31:27 -0700 [thread overview]
Message-ID: <201910101106.9ACB5DB@keescook> (raw)
In-Reply-To: <CAHhAz+j9oaAY9_sn16J2c=U+iidZKu3mp0pRpPZAvu4dJPetkg@mail.gmail.com>
On Thu, Oct 10, 2019 at 10:45:21PM +0530, Muni Sekhar wrote:
> I'm using Ubuntu distro, ran "reboot" command but after reboot
> console-ramoops-0 is not present in /sys/fs/pstore
Hmpf. Well, then, I guess your boot firmware is pretty aggressive about
wiping RAM across boots. :(
There was a patch set to store to disk, but I haven't seen a recent
version of it, if you want to go that route[1].
-Kees
[1] https://lore.kernel.org/lkml/1551922630-27548-1-git-send-email-liaoweixiong@allwinnertech.com/
--
Kees Cook
next prev parent reply other threads:[~2019-10-10 18:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-25 20:17 How to get the crash dump if system hangs? Muni Sekhar
2019-09-30 23:51 ` Kees Cook
2019-10-03 16:48 ` Muni Sekhar
2019-10-03 21:36 ` Kees Cook
2019-10-10 15:49 ` Muni Sekhar
2019-10-10 16:56 ` Kees Cook
2019-10-10 17:15 ` Muni Sekhar
2019-10-10 18:31 ` Kees Cook [this message]
2019-10-11 14:03 ` Muni Sekhar
2019-10-25 2:10 ` Muni Sekhar
2019-10-28 19:22 ` Kees Cook
2019-10-20 19:01 youling257
2019-10-21 8:39 ` Lukas Odzioba
2019-10-21 10:22 ` youling 257
2019-11-02 5:42 ` youling 257
2019-10-20 19:31 youling257
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