[Bug 530047] Re: kernel BUG at cfq-iosched.c:1456!

[AZ]

The specific part of the kernel code is

1452 static void cic_free_func(struct io_context *ioc, struct cfq_io_context *cic)
1453 {
1454   unsigned long flags;
1455 
1456   BUG_ON(!cic->dead_key);
1457 
1458   spin_lock_irqsave(&ioc->lock, flags);
1459   radix_tree_delete(&ioc->radix_root, cic->dead_key);
1460   hlist_del_rcu(&cic->cic_list);
1461   spin_unlock_irqrestore(&ioc->lock, flags);
1462 
1463   cfq_cic_free(cic);
1464 }
1465

-- 
kernel BUG at cfq-iosched.c:1456!
https://bugs.launchpad.net/bugs/530047
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