Re: [Patch] restore the RCU callback to defer put_task_struct() Re: Problems with 2.6.17-rt8

From: Robert Crocombe
Date: Wed Aug 09 2006 - 13:17:15 EST


On 8/8/06, Robert Crocombe <rcrocomb@xxxxxxxxx> wrote:
I'm back to poking at 16-rt29 to see if the problem is simply somewhat
less likely.

Unable to crash the 2.6.16-rt29 kernel after 462 kernel compilations.
But I got about 40 of these warnings:

irq 106: nobody cared (try booting with the "irqpoll" option)

Call Trace:
<ffffffff88003c32>{:tg3:tg3_interrupt_tagged+61}
<ffffffff801523a0>{__report_bad_irq+56}
<ffffffff801525ce>{note_interrupt+479}
<ffffffff80152287>{do_irqd+514}
<ffffffff80152085>{do_irqd+0}
<ffffffff8013f454>{keventd_create_kthread+0}
<ffffffff8013f72b>{kthread+219}
<ffffffff8012719c>{schedule_tail+198}
<ffffffff8010bc6e>{child_rip+8}
<ffffffff8013f454>{keventd_create_kthread+0}
<ffffffff8013f650>{kthread+0}
<ffffffff8010bc66>{child_rip+0}
---------------------------
| preempt count: 00000001 ]
| 1-level deep critical section nesting:
----------------------------------------
.. [<ffffffff80373aca>] .... _raw_spin_lock_irq+0x17/0x24
.....[<ffffffff8015226e>] .. ( <= do_irqd+0x1e9/0x2e3)

handlers:
[<ffffffff88003bf5>] (tg3_interrupt_tagged+0x0/0x11b [tg3])

--
Robert Crocombe
rcrocomb@xxxxxxxxx
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