Hi Amit,
You didn't provide the full OOPs message.
On Wed, 2009-04-22 at 22:04 +0530, amit mehta wrote:
>
> <snip>
> [<c0104878>] apic_timer_interrupt+0x28/0x30
> [<f8e2d06f>] scst_cmd_thread+0x9c/0xfc [scst]
> [<c011bbed>] default_wake_function+0x0/0x8
> [<f8e2cfd3>] scst_cmd_thread+0x0/0xfc [scst]
> [<c012f5fa>] kthread+0x38/0x5d
> [<c012f5c2>] kthread+0x0/0x5d
> [<c0104a37>] kernel_thread_helper+0x7/0x10
> =======================
> <snip>
>
>
> Apparently 'schedule' is throwing this message:
>
> if (unlikely(in_atomic() && !current->exit_state)) {
> printk(KERN_ERR "BUG: scheduling while atomic: "
> "%s/0x%08x/%d\n",
> current->comm, preempt_count(), current->pid);
> debug_show_held_locks(current)
> ;
> if (irqs_disabled())
> print_irqtrace_events(current);
> dump_stack();
> }
>From here it looks like, a lock is being held and schedule has been
called.
Himanshu
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