Hi all,
This problem seems to be solve with last version of Xenomai.
Nevertheless, Rtping doesn't run. Now I have the following error message :
Xenomai: suspending kernel thread bf0096f0 ('rtnet-rtpc') at 0xc002d3c8
after exception #0
The error seems to comes from the function rt_icmp_echo_reply, I put some
some printk in this function, and conclude that the error appears when
trying to use the rtt field of the ping structure in ipv4_cmd :
struct ipv4_cmd {
struct rtnet_ioctl_head head;
union {
...
/*** rtping ***/
struct {
__u32 ip_addr;
__u16 id;
__u16 sequence;
__u32 msg_size;
__u32 timeout;
__s64 rtt;
} ping;
__u64 __padding[8];
} args;
};
I don't know why I have this error with this embedded system (PXA270,
armv5te) and not with the previous system (armv4t). The compiler is a bit
different, arm-linux-gnueabi against arm-linux-eabi before.
Best regards,
Cyril
2010/6/1 Jan Kiszka <jan.kis...@siemens.com>
> Gilles Chanteperdrix wrote:
> > Jan Kiszka wrote:
> >> Cyril Wallois wrote:
> >>> 2810: e593300c ldr r3, [r3, #12]
> >>> 2814: e3a01000 mov r1, #0 ; 0x0
> >> Makes no sense yet. This is moving an immediate into register r1 -
> >> nothing where misaligned memory access can happen.
> >>
> >> Please validate your calculations, maybe also adding some printks to the
> >> lines under suspect.
> >
> > The pc maybe off by 4, so the ldr above could be the culprit, you have
> > to know r3 value to be sure.
>
> Maybe we should also dump the register state in Xenomai's trap handler.
>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT T DE IT 1
> Corporate Competence Center Embedded Linux
>
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