xnu-3248.40.184.tar.gz

[apple/xnu.git] / bsd / kern / kern_shutdown.c

diff --git a/bsd/kern/kern_shutdown.c b/bsd/kern/kern_shutdown.c
index 3858ce83e10ed21b146a0a5f050d8a50e7ad697b..59a44295f75d3b47979964368417d95e392684c3 100644 (file)
--- a/bsd/kern/kern_shutdown.c
+++ b/bsd/kern/kern_shutdown.c
@@ -84,6 +84,9 @@ static void sd_log(vfs_context_t, const char *, ...);
 static void proc_shutdown(void);
 static void kernel_hwm_panic_info(void);
 extern void IOSystemShutdownNotification(void);
+#if DEVELOPMENT || DEBUG
+extern boolean_t kdp_has_polled_corefile(void);
+#endif /* DEVELOPMENT || DEBUG */
 
 struct sd_filterargs{
        int delayterm;
@@ -185,7 +188,13 @@ reboot_kernel(int howto, char *message)
                /*
                 * Unmount filesystems
                 */
-               vfs_unmountall();
+
+#if DEVELOPMENT || DEBUG
+               if (!(howto & RB_PANIC) || !kdp_has_polled_corefile())
+#endif /* DEVELOPMENT || DEBUG */
+               {
+                       vfs_unmountall();
+               }
 
                /* Wait for the buffer cache to clean remaining dirty buffers */
                for (iter = 0; iter < 100; iter++) {