linux-kernel - Re: [PATCH] print kdump kernel loaded status in stack dump

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <878tcvt592.fsf@linux.intel.com>
Date:   Thu, 18 Jan 2018 10:02:17 -0800
From:   Andi Kleen <ak@...ux.intel.com>
To:     Dave Young <dyoung@...hat.com>
Cc:     pmladek@...e.com, sergey.senozhatsky@...il.com,
        rostedt@...dmis.org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, kexec@...ts.infradead.org
Subject: Re: [PATCH] print kdump kernel loaded status in stack dump

Dave Young <dyoung@...hat.com> writes:
>  		printk("%sHardware name: %s\n",
>  		       log_lvl, dump_stack_arch_desc_str);
> +	if (kexec_crash_loaded())
> +		printk("%skdump kernel loaded\n", log_lvl);

Oops/warnings are getting longer and longer, often scrolling away
from the screen, and if the kernel crashes backscroll does not work
anymore, so precious information is lost.

Can you merge it with some other line?

Just a [KDUMP] or so somewhere should be good enough.

-Andi