diff options
| author | Feng Tang <feng.tang@linux.alibaba.com> | 2025-07-03 10:10:03 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-07-19 19:08:24 -0700 |
| commit | 9743d12d0c63968320ece31e2e48723f3235be6d (patch) | |
| tree | 9cee774a29e1224d5262e452e189ec1c81942891 /Documentation/admin-guide/kernel-parameters.txt | |
| parent | d747755917bf8ae08f490c3fe7d8e321afab8127 (diff) | |
panic: add 'panic_sys_info=' setup option for kernel cmdline
'panic_sys_info=' sysctl interface is already added for runtime setting.
Add counterpart kernel cmdline option for boottime setting.
Link: https://lkml.kernel.org/r/20250703021004.42328-5-feng.tang@linux.alibaba.com
Signed-off-by: Feng Tang <feng.tang@linux.alibaba.com>
Suggested-by: Petr Mladek <pmladek@suse.com>
Cc: John Ogness <john.ogness@linutronix.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 3780b7e6bfd5..55a887d6309c 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4563,6 +4563,21 @@ Use this option carefully, maybe worth to setup a bigger log buffer with "log_buf_len" along with this. + panic_sys_info= A comma separated list of extra information to be dumped + on panic. + Format: val[,val...] + Where @val can be any of the following: + + tasks: print all tasks info + mem: print system memory info + timers: print timers info + locks: print locks info if CONFIG_LOCKDEP is on + ftrace: print ftrace buffer + all_bt: print all CPUs backtrace (if available in the arch) + blocked_tasks: print only tasks in uninterruptible (blocked) state + + This is a human readable alternative to the 'panic_print' option. + parkbd.port= [HW] Parallel port number the keyboard adapter is connected to, default is 0. Format: <parport#> |