Re: [Xenomai-help] Xenomai 2.5.6 with PPC-Kernel 2.4.25

[Philippe Gerum <rpm@xenomai.org>]

On Tue, 2011-06-14 at 10:52 +0200, roderik.wildenburg@domain.hid
wrote:
> Sorry for asking again, but my question form June 7. wasn´t answered and I am not able to work it out by my own:
> When I use a PPC-Kernel 2.4.25 with Xenomai 2.5.6 I get the message 
> "Xenomai: mmap local sem heap: No such device or address" when I start the latency test (and other programs).
> 
> But the rtheap-Device exists (see below). Can anybody give me a short hint in which direction to search.
> Is Xenomai 2.5.6 intend to work with Kernel 2.4. ?
> 

Yes. I don't have the bandwidth avail to have a look at this ATM. I'll
try to this week.

> Thank you in advance
> Roderik 
> 
> -----------------------------------------
> mrconfig:/fat/sbin # ll /dev/rtheap
> crw-rw-rw-    1 root     root      10, 254 May 19 14:16 /dev/rtheap
> 
> mrconfig:/fat/sbin # strace ./latency
> execve("./latency", ["./latency"], [/* 37 vars */]) = 0
> uname({sys="Linux", node="mrconfig", ...}) = 0
> :
> :
> :
> access("/dev/rtheap", F_OK)             = 0
> rt_sigaction(SIGILL, {0xff23cb8, [ILL], SA_RESTART}, {SIG_DFL}, 8) = 0
> rt_sigaction(SIGILL, {SIG_DFL}, {0xff23cb8, [ILL], SA_RESTART}, 8) = 0
> open("/dev/rtheap", O_RDWR)             = 3
> ioctl(3, 0, 0xc7dd9210)                 = 0
> mmap(NULL, 12288, PROT_READ|PROT_WRITE, MAP_SHARED, 3, 0) = -1 ENXIO (No such device or address)
> close(3)                                = 0
> dup(2)                                  = 3
> fcntl64(3, F_GETFL)                     = 0x2 (flags O_RDWR)
> fstat64(3, {st_mode=S_IFCHR|0600, st_rdev=makedev(4, 64), ...}) = 0
> ioctl(3, TCGETS, {B38400 opost isig icanon echo ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x30016000
> _llseek(3, 0, 0x7fffeac8, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
> write(3, "Xenomai: mmap local sem heap: No"..., 56Xenomai: mmap local sem heap: No such device or address
> ) = 56
> close(3)                                = 0
> munmap(0x30016000, 4096)                = 0
> exit(1)
> 
> --------------------------------------------------------
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-- 
Philippe.