Re: some ARM fixes for 2.6.29-rc7-rt1

Uwe Kleine-König
2009-03-15T06:48:10Z

Hello,

On Fri, Mar 13, 2009 at 02:04:58AM +0100, Uwe Kleine-König wrote:
> on top of 2.6.29-rc7-rc1 I did some ARM related fixes that you can find
> at
>
> git://git.pengutronix.de/git/ukl/linux-2.6.git v2.6.29-rc7-rt1-pu
>
> The top commit currently isn't pretty as it contains several independant
> fixes. Some of them are netX specific so you probably don't need them,
> but they shouldn't hurt you either.
>
> I will update this branch as I continue working in a non-fast-forward
> manner. I use TopGit to manage this branch, you might want to use it,
> too, if you intend to follow my work.
>
> My status quo is:
>
> Testing tracer sched_switch: PASSED
> Testing tracer function: PASSED
> Testing tracer irqsoff: .. no entries found ..FAILED!
> Testing tracer preemptoff: .. no entries found ..FAILED!
> Testing tracer preemptirqsoff: .. no entries found ..
[removed stack dump]
> FAILED!
I still have this problem. I digged into irqsoff without finding the reason.

Looking at trace_selftest_startup_irqsoff I saw that
trace_buffer_lock_reserve is called thrice successfully.

Steven (or someone else of course), do you can give me a hint?

> Other than that my machine boots and reports from time to time
>
> scheduling while atomic
>
> and
>
> sleeping function called from invalid context at kernel/rtmutex.c:683
>
> Both errors probably happen because some spin_locks need to be converted
> to raw_spin_locks. Will look later.
Up to now I didn't try to do much with my system, but just booting
doesn't yield such BUGs or Warnings anymore.

Best regards
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
--
To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html