From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Feng Tang <feng.tang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Petr Mladek <pmladek@suse.com>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Kees Cook <keescook@chromium.org>, Borislav Petkov <bp@suse.de>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Andi Kleen <ak@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>, Sasha Levin <sashal@kernel.org>
Subject: Re: [PATCH v6] panic: Avoid the extra noise dmesg
Date: Mon, 4 Mar 2019 11:17:45 +0900 [thread overview]
Message-ID: <20190304021745.GA23578@jagdpanzerIV> (raw)
In-Reply-To: <1551430186-24169-1-git-send-email-feng.tang@intel.com>
On (03/01/19 16:49), Feng Tang wrote:
> When kernel panic happens, it will first print the panic call stack,
> then the ending msg like:
>
> [ 35.743249] ---[ end Kernel panic - not syncing: Fatal exception
> [ 35.749975] ------------[ cut here ]------------
>
> The above message are very useful for debugging.
>
> But if system is configured to not reboot on panic, say the "panic_timeout"
> parameter equals 0, it will likely print out many noisy message like
> WARN() call stack for each and every CPU except the panic one, messages
> like below:
[..]
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
-ss
prev parent reply other threads:[~2019-03-04 2:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-01 8:49 Feng Tang
2019-03-01 10:06 ` Petr Mladek
2019-03-01 21:57 ` Steven Rostedt
2019-03-01 22:02 ` Andrew Morton
2019-03-04 2:17 ` Sergey Senozhatsky [this message]
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