On Wed, Jan 14, 2015 at 08:38:03AM +, Stoidner, Christoph wrote:
>
> Hi Paul,
>
> > Two things to try:
> >
> > 1. alt-sysreq-t to get all tasks' stacks, or
>
> I am not able to do that since I am working on an embedded system which
> has no real tty, just a serial connected terminal.
Hi Paul,
> Two things to try:
>
> 1. alt-sysreq-t to get all tasks' stacks, or
I am not able to do that since I am working on an embedded system which
has no real tty, just a serial connected terminal.
> 2. disable RCU CPU stall warnings and see if the hangs go away.
>
As I see th
On Mon, Jan 12, 2015 at 11:48:28AM +, Stoidner, Christoph wrote:
> Hi Paul,
>
> > You got stack traces with the stall warnings, correct? If so, please look
> > at them and at Documentation/RCU/stallwarn.txt and see if the kernel is
> > looping somewhere inappropriate.
>
> Yes and no. I have
Hi Paul,
> You got stack traces with the stall warnings, correct? If so, please look
> at them and at Documentation/RCU/stallwarn.txt and see if the kernel is
> looping somewhere inappropriate.
Yes and no. I have a stack trace, but it is not generated by a stall warning.
More
precise: I can nev
On Sun, Jan 11, 2015 at 11:59:45AM +, Stoidner, Christoph wrote:
>
> Hi Paul,
>
> many thanks for your fast answer!
>
> Now I have changed my application in that way, that it does not require
> Xenomai/I-Pipe anymore. That means my kernel is build now from
> mainline source, with preempt_r
Hi Paul,
many thanks for your fast answer!
Now I have changed my application in that way, that it does not require
Xenomai/I-Pipe anymore. That means my kernel is build now from
mainline source, with preempt_rt only and no Xenomai or I-Pipe.
However the problem is exact the same. After some r
On Tue, Jan 06, 2015 at 06:16:27PM +, Stoidner, Christoph wrote:
>
> Hi Paul,
>
> sorry for contacting you directly. I have a question concerning linux's RCU
> handling. In kernels MAINTAINERS I could not find any accordingly mailing
> list. Is there some list anyway that I have overlooked?
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