From: Feng Tang <feng.tang@linux.alibaba.com>
To: Askar Safin <safinaskar@zohomail.com>, akpm <akpm@linux-foundation.org>
Cc: corbet <corbet@lwn.net>,
"john.ogness" <john.ogness@linutronix.de>,
"lance.yang" <lance.yang@linux.dev>,
linux-kernel <linux-kernel@vger.kernel.org>,
paulmck <paulmck@kernel.org>, pmladek <pmladek@suse.com>,
rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH v3 1/5] panic: clean up code for console replay
Date: Tue, 15 Jul 2025 11:27:54 +0800 [thread overview]
Message-ID: <aHXKuiqELS1tmchE@U-2FWC9VHC-2323.local> (raw)
In-Reply-To: <1980bfc17f1.122b80ffe36544.5266293070616137570@zohomail.com>
On Tue, Jul 15, 2025 at 06:48:47AM +0400, Askar Safin wrote:
>
> ---- On Tue, 15 Jul 2025 05:34:39 +0400 Feng Tang <feng.tang@linux.alibaba.com> wrote ---
> > I see. How about changing the patch to:
> >
> > - bit 5: print all printk messages in buffer
> > + bit 5: replay all kernel messages on consoles at the end of panic
>
> Yes, I agree!
Hi Andrew,
Could you help to squash below patch to 1/5 patch "panic: clean up code
for console replay" in the nonmmu-unstable branch? Thanks!
- Feng
---
Documentation/admin-guide/kernel-parameters.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index f34de9978a91..a84d3f7f5bbf 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4533,7 +4533,7 @@
bit 2: print timer info
bit 3: print locks info if CONFIG_LOCKDEP is on
bit 4: print ftrace buffer
- bit 5: replay all messages on consoles at the end of panic
+ bit 5: replay all kernel messages on consoles at the end of panic
bit 6: print all CPUs backtrace (if available in the arch)
bit 7: print only tasks in uninterruptible (blocked) state
*Be aware* that this option may print a _lot_ of lines,
next prev parent reply other threads:[~2025-07-15 3:28 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-03 2:09 [PATCH v3 0/5] generalize panic_print's dump function to be used by other kernel parts Feng Tang
2025-07-03 2:10 ` [PATCH v3 1/5] panic: clean up code for console replay Feng Tang
2025-07-14 21:09 ` Askar Safin
2025-07-15 0:49 ` Feng Tang
2025-07-15 1:18 ` Askar Safin
2025-07-15 1:34 ` Feng Tang
2025-07-15 2:48 ` Askar Safin
2025-07-15 3:27 ` Feng Tang [this message]
2025-08-12 11:59 ` Petr Mladek
2025-08-13 0:43 ` Feng Tang
2025-07-03 2:10 ` [PATCH v3 2/5] panic: generalize panic_print's function to show sys info Feng Tang
2025-08-12 10:12 ` Petr Mladek
2025-07-03 2:10 ` [PATCH 3/5] panic: add 'panic_sys_info' sysctl to take human readable string parameter Feng Tang
2025-07-03 2:56 ` Lance Yang
2025-07-03 3:18 ` Feng Tang
2025-08-12 10:23 ` Petr Mladek
2025-08-13 0:39 ` Feng Tang
2025-07-03 2:10 ` [PATCH v3 4/5] panic: add 'panic_sys_info=' setup option for kernel cmdline Feng Tang
2025-08-12 10:31 ` Petr Mladek
2025-07-03 2:10 ` [PATCH v3 5/5] panic: add note that panic_print sysctl interface is deprecated Feng Tang
2025-08-12 11:52 ` Petr Mladek
2025-08-13 1:05 ` Feng Tang
2025-08-14 15:21 ` Petr Mladek
2025-07-03 3:23 ` [PATCH v3 0/5] generalize panic_print's dump function to be used by other kernel parts Lance Yang
2025-07-03 4:56 ` Lance Yang
2025-07-03 5:54 ` Feng Tang
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