Re: [PATCH V5] kernel, add panic_on_warn
flat view
From: Jason Baron <jbaron@akamai.com>
Date: 2014-10-28 14:56:28
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On 10/28/2014 08:31 AM, Prarit Bhargava wrote:
There have been several times where I have had to rebuild a kernel to cause a panic when hitting a WARN() in the code in order to get a crash dump from a system. Sometimes this is easy to do, other times (such as in the case of a remote admin) it is not trivial to send new images to the user.
....
quoted hunk ↗ jump to hunk
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c index 9a4f750..c62d421 100644 --- a/kernel/sysctl_binary.c +++ b/kernel/sysctl_binary.c@@ -137,6 +137,7 @@ static const struct bin_table bin_kern_table[] = { { CTL_INT, KERN_COMPAT_LOG, "compat-log" }, { CTL_INT, KERN_MAX_LOCK_DEPTH, "max_lock_depth" }, { CTL_INT, KERN_PANIC_ON_NMI, "panic_on_unrecovered_nmi" }, + { CTL_INT, KERN_BUG_ON_WARN, "panic_on_warn" }, {} };
I think you meant KERN_PANIC_ON_WARN here. Thanks, -Jason