> Instead of the for(;;) msleep, why not just take it permanently off the
> run queue? With the following:
>
> set_current_state(TASK_UNINTERRUPTIBLE);
> schedule();
>
> It basically gives the same effect, but is cleaner.
Ah perfect, now it looks ok. Thanks!
Prevent recursive faults in do_exit() by leaving the task alone and wait
for reboot. This may allow a more graceful shutdown and possibly save
the original oops.
Signed-off-by: Alexander Nyberg <[email protected]>
Index: mm/kernel/exit.c
===================================================================
--- mm.orig/kernel/exit.c 2005-05-05 16:44:20.000000000 +0200
+++ mm/kernel/exit.c 2005-05-05 17:29:40.000000000 +0200
@@ -797,6 +797,14 @@
ptrace_notify((PTRACE_EVENT_EXIT << 8) | SIGTRAP);
}
+ /* We're taking recursive faults here in do_exit. Safest
+ * is to just leave this task alone and wait for reboot. */
+ if (unlikely(tsk->flags & PF_EXITING)) {
+ printk(KERN_ALERT "\nFixing recursive fault but reboot is needed!\n");
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule();
+ }
+
tsk->flags |= PF_EXITING;
/*
-
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