tags 542250 +patch thanks > ... I may guess that line 74 should check for in_interrupt() instead of > in_softirq(). I've tried that and it really fixed the problem. Server already runs the same backup procedure for several hours. Previously it crashed within 15 minutes. Here is the patch I've applied: --- a/drivers/xen/core/spinlock.c 2009-08-19 16:20:17.000000000 +0400 +++ b/drivers/xen/core/spinlock.c 2009-08-19 17:36:55.000000000 +0400 @@ -71,7 +71,7 @@ BUG_ON(__get_cpu_var(spinning_bh).lock == lock); spinning = &__get_cpu_var(spinning_irq); } else { - BUG_ON(!in_softirq()); + BUG_ON(!in_interrupt()); spinning = &__get_cpu_var(spinning_bh); } BUG_ON(spinning->lock);
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