On Wed, 2005-08-17 at 00:20 -0400, Steven Rostedt wrote:
> Ingo,
>
> FYI, I ran this on my laptop (Pentium4 HT) and it locked up shortly
> after it started INIT. I rebooted, and now it's up and running
> with no problems!?! I'll reboot it a few more times to see if it will
> lock up again.
With a small change it locks up all the time :-)
>
> Unfortunately, my laptop doesn't have any serial so I don't have much to
> debug with it. I'll set up netconsole, but this is not as reliable
> under RT, or was this fixed. I remember before that it could call things
> that would schedule and had some hooks to keep interrupts on.
>
> Oh, I also did get the message when it started:
>
> WARNING: kstopmachine/859 changed soft IRQ-flags.
> [<c0149e0b>] stop_machine+0x11b/0x160 (8)
> [<c0149e7e>] do_stop+0xe/0x70 (32)
> [<c0139c5a>] kthread+0xba/0xc0 (16)
> [<c0139ba0>] kthread+0x0/0xc0 (28)
> [<c0101385>] kernel_thread_helper+0x5/0x10 (16)
I replaced this with raw_local_irq_disable and it really locks up
everytime now. I need to look into how this is best done.
> The kernel I used was rt6 with my latest patch to the
> raw_local_save_flags.
I just got the NMI working, but since it is now 1:44am my time, I'm
going to bed. I'll run it again tomorrow and hopefully the NMI will
show where and why it's locking up.
-- Steve
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