Hi,

I found that sometimes processes disappear on some heavily used system
of mine without any logging. So I've written a patch against 2.6.18.2
which emits logging when a process emits a fatal signal.

Signed-off-by: Folkert van Heusden <[EMAIL PROTECTED]>

--- linux-2.6.18.2/kernel/signal.c      2006-11-04 02:33:58.000000000 +0100
+++ linux-2.6.18.2.new/kernel/signal.c  2006-11-17 15:59:13.000000000 +0100
@@ -706,6 +706,15 @@
        struct sigqueue * q = NULL;
        int ret = 0;
 
+       if (sig == SIGQUIT || sig == SIGILL  || sig == SIGTRAP ||
+           sig == SIGABRT || sig == SIGBUS  || sig == SIGFPE  ||
+           sig == SIGSEGV || sig == SIGXCPU || sig == SIGXFSZ ||
+           sig == SIGSYS  || sig == SIGSTKFLT)
+       {
+               printk(KERN_WARNING "Sig %d send to %d owned by %d.%d (%s)\n",
+                       sig, t -> pid, t -> uid, t -> gid, t -> comm);
+       }
+
        /*
         * fast-pathed signals for kernel-internal things like SIGSTOP
         * or SIGKILL.


Folkert van Heusden

www.vanheusden.com/multitail - multitail is tail on steroids. multiple
               windows, filtering, coloring, anything you can think of
----------------------------------------------------------------------
Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to