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SubjectRe: 2.4.5-ac7 SMP crash (hotplug race?)
>    I told device to go to sleep, it reported (over serial console that I
> looked at with minicom), that it turned off internal devices
> (including USB client), reported it is going to sleep, and turned
> serial and itself off.

What does it mean "I told device to go to sleep"?
What device? How (what command line)?

> wait_on_irq, CPU 1
> irq: 1 [1 0]
> bh: 1 [0 1]
> CPU 0: <unknown>
> CPU 1: c167fe68 c01d805d ... (not recorded full stack)
> Call Trace: [<c0108522>] [<c0170f97>] [<c0170f60>] [<c011d706>] [<c011a56c>] [<c011a423>] [<c011a2ab>] [<c0108935>] [<c0108525>] [<c01617e8>] [<c011a67d>] [<c0121c35>] [<c0121670>] [<c0105000>] [<c0105556>] [<c0121670>]
> Warning (Oops_read): Code line not seen, dumping what data is available
> Trace; c0108522 <__global_cli+e2/170>
> Trace; c0170f97 <rs_timer+37/110>
> Trace; c0170f60 <rs_timer+0/110>
> Trace; c011d706 <timer_bh+256/2b0>
> Trace; c011a56c <bh_action+4c/b0>
> Trace; c011a423 <tasklet_hi_action+53/90>
> Trace; c011a2ab <do_softirq+6b/a0>
> Trace; c0108935 <do_IRQ+e5/f0>
> Trace; c0108525 <__global_cli+e5/170>
> Trace; c01617e8 <flush_to_ldisc+d8/120>
> Trace; c011a67d <__run_task_queue+5d/70>
> Trace; c0121c35 <context_thread+c5/200>
> Trace; c0121670 <exec_usermodehelper+3c0/400>
> Trace; c0105000 <prepare_namespace+0/10>
> Trace; c0105556 <kernel_thread+26/30>
> Trace; c0121670 <exec_usermodehelper+3c0/400>

Curious. What host controller driver do you use?

-- Pete
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