On Mon, 2006-01-23 at 14:21 +0100, Michal Piotrowski wrote:
> Hi,
>
> I have noticed some bugs in latest 2.6.15-rt12, here are some of them:
> http://www.stardust.webpages.pl/files/rt/2.6.15-rt12/rt-dmesg
The only bug I see in this is:
BUG: kstopmachine:338 task might have lost a preemption check!
[<c0103b1b>] dump_stack+0x1b/0x1f (20)
[<c0118736>] preempt_enable_no_resched+0x4a/0x50 (20)
[<c014224d>] restart_machine+0x1a/0x1d (12)
[<c0142274>] do_stop+0x24/0x65 (20)
[<c012d6de>] kthread+0x7b/0xa9 (36)
[<c01010c5>] kernel_thread_helper+0x5/0xb (135438364)
Which I'll go and take a look at. I need to turn on
CONFIG_DEBUG_PREEMPT on my SMP machine.
> Here is my config:
> http://www.stardust.webpages.pl/files/rt/2.6.15-rt12/rt-config
You might want to turn off:
CONFIG_DEBUG_STACKOVERFLOW
This dumps out the biggest stack usage. Those dumps are caused by this,
and are not bugs. It just shows you what's using the most stack, that's
all. I find it quite annoying, and just turn it off.
-- Steve
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