[Rtai] smi problem
Taiser Barros
tttbarros at yahoo.com.br
Wed Mar 28 17:02:02 CEST 2012
Hi! I've a machine with core i5 processor! And I've recently installed rtai 3.9 test2 with 2.6.38.8 kernel on it! The problem is that I can't load the module rtai_smi.ko! When I try I get the message:
insmod: error inserting 'rtai_smi.ko': -1 No such device
I've read that this is a problem due to hardware type!
Whitout using smi...I can't stop getting overuns on my latency test!
Do you have a solution for this?
Thanx
Taiser T.T. Barros
Eng° Eletricista
CREA.: RS124533-D
(51) 9986-5635
--------------------------------------------------------------------------
"That which does not kill us makes us stronger "
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________________________________
De: "rtai-request at rtai.org" <rtai-request at rtai.org>
Para: rtai at rtai.org
Enviadas: Quarta-feira, 28 de Março de 2012 7:00
Assunto: Rtai Digest, Vol 52, Issue 15
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Today's Topics:
1. kernel 2.6.38.8 + vulcano: user/latency/run as a normal user
(joe M)
2. Re: Div64 compile error (Glen Wernersbach)
3. Re: Div64 compile error (Pierangelo Masarati)
----------------------------------------------------------------------
Message: 1
Date: Tue, 27 Mar 2012 08:22:47 -0400
From: joe M <joe9mail at gmail.com>
To: rtai at rtai.org
Subject: [Rtai] kernel 2.6.38.8 + vulcano: user/latency/run as a
normal user
Message-ID:
<CAHjjW16eWH_-SL1xzzcRxAx_X3-yzfZTJ1d4U9SOvZP6V6d7Ow at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Hello,
When I run user/latency/run as a normal user. Though it runs fine as
root. Just wanted to bring this to your attention.
Thanks
Joe
--(/usr/realtime/testsuite/user/latency)-------------(pts/1 at firefox)--
./run
*
*
* Type ^C to stop this application.
*
*
## RTAI latency calibration tool ##
# period = 100000 (ns)
# average time = 1 (s)
# use the FPU
# start the timer
# timer_mode is oneshot
CANNOT INIT MASTER TASK
--(/usr/realtime/testsuite/user/latency)-------------(pts/1 at firefox)--
in dmesg:
Mar 27 08:16:04 firefox kernel: [ 1084.749502] I-pipe: Domain RTAI registered.
Mar 27 08:16:04 firefox kernel: [ 1084.749515] RTAI[hal]: <3.9-test2>
mounted over IPIPE-NOTHREADS 2.11-01.
Mar 27 08:16:04 firefox kernel: [ 1084.749518] RTAI[hal]: compiled
with gcc version 4.5.3 (CRUX) .
Mar 27 08:16:04 firefox kernel: [ 1084.749522] RTAI[hal]: mounted
(IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs VECTORED), ISOL_CPUS_MASK:
0).
Mar 27 08:16:04 firefox kernel: [ 1084.749525] PIPELINE layers:
Mar 27 08:16:04 firefox kernel: [ 1084.749528] f926e940 9ac15d93 RTAI 2147483647
Mar 27 08:16:04 firefox kernel: [ 1084.749531] c1594080 0 Linux 100
Mar 27 08:16:04 firefox kernel: [ 1084.802979] RTAI[malloc]: global
heap size = 2097152 bytes, <TLSF>.
Mar 27 08:16:04 firefox kernel: [ 1084.803119] RTAI[sched]: loaded
(IMMEDIATE, UP, USER/KERNEL SPACE: <without RTAI OWN KTASKs>, <uses
LINUX SYSCALLs>, kstacks pool size = 524288 bytes.
Mar 27 08:16:04 firefox kernel: [ 1084.803125] RTAI[sched]: hard timer
type/freq = APIC/24900163(Hz); default timing: oneshot; linear timed
lists.
Mar 27 08:16:04 firefox kernel: [ 1084.803129] RTAI[sched]: Linux
timer freq = 250 (Hz), TimeBase freq = 2191190000 hz.
Mar 27 08:16:04 firefox kernel: [ 1084.803131] RTAI[sched]: timer
setup = 999 ns, resched latency = 2944 ns.
Mar 27 08:16:05 firefox kernel: [ 1086.109914] BUG: Unhandled
exception over domain RTAI at 0xc1001e18 - switching to ROOT
Mar 27 08:16:05 firefox kernel: [ 1086.109937] Pid: 15934, comm: cut
Not tainted 2.6.38.8-rtai #3
Mar 27 08:16:05 firefox kernel: [ 1086.109939] Call Trace:
Mar 27 08:16:05 firefox kernel: [ 1086.109941] [<c1017541>] ?
__ipipe_handle_exception+0x221/0x230
Mar 27 08:16:05 firefox kernel: [ 1086.109943] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:05 firefox kernel: [ 1086.109945] [<c1349a7d>] ?
error_code+0x5d/0x6c
Mar 27 08:16:05 firefox kernel: [ 1086.109947] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:05 firefox kernel: [ 1086.109949] [<c1028126>] ?
context_switch+0xe6/0x310
Mar 27 08:16:05 firefox kernel: [ 1086.109951] [<f936aaf1>] ?
rt_schedule+0x111/0xac0 [rtai_lxrt]
Mar 27 08:16:05 firefox kernel: [ 1086.109953] [<f936fe88>] ?
rt_sleep+0x218/0x240 [rtai_lxrt]
Mar 27 08:16:06 firefox kernel: [ 1086.109955] [<f936d21c>] ?
handle_lxrt_request+0xbc/0xe40 [rtai_lxrt]
Mar 27 08:16:06 firefox kernel: [ 1086.109958] [<c10cd2a5>] ?
follow_page+0x1f5/0x2d0
Mar 27 08:16:06 firefox kernel: [ 1086.109960] [<f936fd70>] ?
rt_sleep+0x100/0x240 [rtai_lxrt]
Mar 27 08:16:06 firefox kernel: [ 1086.109962] [<c10ce192>] ?
__get_user_pages+0x112/0x3c0
Mar 27 08:16:06 firefox kernel: [ 1086.109964] [<f936dffe>] ?
rtai_lxrt_invoke+0x5e/0x190 [rtai_lxrt]
Mar 27 08:16:06 firefox kernel: [ 1086.109966] [<f926b8ba>] ?
intercept_syscall_prologue+0x2a/0xe0 [rtai_hal]
Mar 27 08:16:06 firefox kernel: [ 1086.109968] [<c108de9d>] ?
__ipipe_dispatch_event+0x2d/0x1c0
Mar 27 08:16:06 firefox kernel: [ 1086.109970] [<c10034aa>] ?
common_interrupt+0x2a/0x38
Mar 27 08:16:06 firefox kernel: [ 1086.109972] [<c1017787>] ?
__ipipe_syscall_root+0x47/0xe0
Mar 27 08:16:06 firefox kernel: [ 1086.109974] [<c1002ef8>] ?
sysenter_past_esp+0x55/0x6c
Mar 27 08:16:06 firefox kernel: [ 1086.114117] BUG: Unhandled
exception over domain RTAI at 0xc1001e18 - switching to ROOT
Mar 27 08:16:06 firefox kernel: [ 1086.114140] Pid: 15937, comm: sed
Not tainted 2.6.38.8-rtai #3
Mar 27 08:16:06 firefox kernel: [ 1086.114142] Call Trace:
Mar 27 08:16:06 firefox kernel: [ 1086.114144] [<c1017541>] ?
__ipipe_handle_exception+0x221/0x230
Mar 27 08:16:06 firefox kernel: [ 1086.114146] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:06 firefox kernel: [ 1086.114148] [<c1349a7d>] ?
error_code+0x5d/0x6c
Mar 27 08:16:06 firefox kernel: [ 1086.114150] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:07 firefox kernel: [ 1086.114152] [<c1028126>] ?
context_switch+0xe6/0x310
Mar 27 08:16:07 firefox kernel: [ 1086.114154] [<c1204937>] ?
notify_update+0x27/0x30
Mar 27 08:16:07 firefox kernel: [ 1086.114156] [<f936aaf1>] ?
rt_schedule+0x111/0xac0 [rtai_lxrt]
Mar 27 08:16:07 firefox kernel: [ 1086.114158] [<f936fe88>] ?
rt_sleep+0x218/0x240 [rtai_lxrt]
Mar 27 08:16:07 firefox kernel: [ 1086.114160] [<f936d21c>] ?
handle_lxrt_request+0xbc/0xe40 [rtai_lxrt]
Mar 27 08:16:07 firefox kernel: [ 1086.114162] [<f936fd70>] ?
rt_sleep+0x100/0x240 [rtai_lxrt]
Mar 27 08:16:07 firefox kernel: [ 1086.114164] [<f936dffe>] ?
rtai_lxrt_invoke+0x5e/0x190 [rtai_lxrt]
Mar 27 08:16:07 firefox kernel: [ 1086.114167] [<f926b8ba>] ?
intercept_syscall_prologue+0x2a/0xe0 [rtai_hal]
Mar 27 08:16:07 firefox kernel: [ 1086.114169] [<c108de9d>] ?
__ipipe_dispatch_event+0x2d/0x1c0
Mar 27 08:16:07 firefox kernel: [ 1086.114171] [<c1037306>] ?
__ipipe_flush_printk+0x56/0x90
Mar 27 08:16:07 firefox kernel: [ 1086.114173] [<c103c607>] ?
irq_exit+0x37/0x70
Mar 27 08:16:07 firefox kernel: [ 1086.114175] [<c1017787>] ?
__ipipe_syscall_root+0x47/0xe0
Mar 27 08:16:08 firefox kernel: [ 1086.114177] [<c1002ef8>] ?
sysenter_past_esp+0x55/0x6c
Mar 27 08:16:08 firefox kernel: [ 1086.118413] BUG: Unhandled
exception over domain RTAI at 0xc1001e18 - switching to ROOT
Mar 27 08:16:08 firefox kernel: [ 1086.118435] Pid: 15937, comm: sed
Not tainted 2.6.38.8-rtai #3
Mar 27 08:16:08 firefox kernel: [ 1086.118437] Call Trace:
Mar 27 08:16:08 firefox kernel: [ 1086.118439] [<c1017541>] ?
__ipipe_handle_exception+0x221/0x230
Mar 27 08:16:08 firefox kernel: [ 1086.118441] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:08 firefox kernel: [ 1086.118443] [<c1349a7d>] ?
error_code+0x5d/0x6c
Mar 27 08:16:08 firefox kernel: [ 1086.118445] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:08 firefox kernel: [ 1086.118447] [<c1028126>] ?
context_switch+0xe6/0x310
Mar 27 08:16:08 firefox kernel: [ 1086.118449] [<c1204937>] ?
notify_update+0x27/0x30
Mar 27 08:16:08 firefox kernel: [ 1086.118451] [<f936aaf1>] ?
rt_schedule+0x111/0xac0 [rtai_lxrt]
Mar 27 08:16:08 firefox kernel: [ 1086.118453] [<f936fe88>] ?
rt_sleep+0x218/0x240 [rtai_lxrt]
Mar 27 08:16:08 firefox kernel: [ 1086.118455] [<f936d21c>] ?
handle_lxrt_request+0xbc/0xe40 [rtai_lxrt]
Mar 27 08:16:08 firefox kernel: [ 1086.118458] [<f936fd70>] ?
rt_sleep+0x100/0x240 [rtai_lxrt]
Mar 27 08:16:08 firefox kernel: [ 1086.118460] [<f936dffe>] ?
rtai_lxrt_invoke+0x5e/0x190 [rtai_lxrt]
Mar 27 08:16:08 firefox kernel: [ 1086.118462] [<f926b8ba>] ?
intercept_syscall_prologue+0x2a/0xe0 [rtai_hal]
Mar 27 08:16:08 firefox kernel: [ 1086.118464] [<c108de9d>] ?
__ipipe_dispatch_event+0x2d/0x1c0
Mar 27 08:16:09 firefox kernel: [ 1086.118466] [<c1037306>] ?
__ipipe_flush_printk+0x56/0x90
Mar 27 08:16:09 firefox kernel: [ 1086.118468] [<c103c607>] ?
irq_exit+0x37/0x70
Mar 27 08:16:09 firefox kernel: [ 1086.118470] [<c1017787>] ?
__ipipe_syscall_root+0x47/0xe0
Mar 27 08:16:09 firefox kernel: [ 1086.118472] [<c1002ef8>] ?
sysenter_past_esp+0x55/0x6c
Mar 27 08:16:09 firefox kernel: [ 1086.121715] BUG: Unhandled
exception over domain RTAI at 0xc1001e18 - switching to ROOT
Mar 27 08:16:09 firefox kernel: [ 1086.121737] Pid: 38, comm:
md0_raid1 Not tainted 2.6.38.8-rtai #3
Mar 27 08:16:09 firefox kernel: [ 1086.121739] Call Trace:
Mar 27 08:16:09 firefox kernel: [ 1086.121741] [<c1017541>] ?
__ipipe_handle_exception+0x221/0x230
Mar 27 08:16:09 firefox kernel: [ 1086.121744] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:09 firefox kernel: [ 1086.121746] [<c1349a7d>] ?
error_code+0x5d/0x6c
Mar 27 08:16:09 firefox kernel: [ 1086.121747] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:09 firefox kernel: [ 1086.121749] [<c1028126>] ?
context_switch+0xe6/0x310
Mar 27 08:16:09 firefox kernel: [ 1086.121751] [<c1204937>] ?
notify_update+0x27/0x30
Mar 27 08:16:09 firefox kernel: [ 1086.121753] [<f936aaf1>] ?
rt_schedule+0x111/0xac0 [rtai_lxrt]
Mar 27 08:16:09 firefox kernel: [ 1086.121756] [<f936fe88>] ?
rt_sleep+0x218/0x240 [rtai_lxrt]
Mar 27 08:16:09 firefox kernel: [ 1086.121758] [<f936d21c>] ?
handle_lxrt_request+0xbc/0xe40 [rtai_lxrt]
Mar 27 08:16:09 firefox kernel: [ 1086.121760] [<f936fd70>] ?
rt_sleep+0x100/0x240 [rtai_lxrt]
Mar 27 08:16:10 firefox kernel: [ 1086.121762] [<f936dffe>] ?
rtai_lxrt_invoke+0x5e/0x190 [rtai_lxrt]
Mar 27 08:16:10 firefox kernel: [ 1086.121764] [<f926b8ba>] ?
intercept_syscall_prologue+0x2a/0xe0 [rtai_hal]
Mar 27 08:16:10 firefox kernel: [ 1086.121767] [<c108de9d>] ?
__ipipe_dispatch_event+0x2d/0x1c0
Mar 27 08:16:10 firefox kernel: [ 1086.121769] [<c1037306>] ?
__ipipe_flush_printk+0x56/0x90
Mar 27 08:16:10 firefox kernel: [ 1086.121771] [<c103c607>] ?
irq_exit+0x37/0x70
Mar 27 08:16:10 firefox kernel: [ 1086.121773] [<c1017787>] ?
__ipipe_syscall_root+0x47/0xe0
Mar 27 08:16:10 firefox kernel: [ 1086.121775] [<c1002ef8>] ?
sysenter_past_esp+0x55/0x6c
Mar 27 08:16:10 firefox kernel: [ 1086.136211] BUG: Unhandled
exception over domain RTAI at 0xc1001e18 - switching to ROOT
Mar 27 08:16:10 firefox kernel: [ 1086.136234] Pid: 15947, comm: cut
Not tainted 2.6.38.8-rtai #3
Mar 27 08:16:10 firefox kernel: [ 1086.136236] Call Trace:
Mar 27 08:16:10 firefox kernel: [ 1086.136238] [<c1017541>] ?
__ipipe_handle_exception+0x221/0x230
Mar 27 08:16:10 firefox kernel: [ 1086.136240] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:10 firefox kernel: [ 1086.136242] [<c1349a7d>] ?
error_code+0x5d/0x6c
Mar 27 08:16:10 firefox kernel: [ 1086.136244] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:10 firefox kernel: [ 1086.136244] [<c1028126>] ?
context_switch+0xe6/0x310
Mar 27 08:16:10 firefox kernel: [ 1086.136244] [<f936aaf1>] ?
rt_schedule+0x111/0xac0 [rtai_lxrt]
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<f936fe88>] ?
rt_sleep+0x218/0x240 [rtai_lxrt]
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<f936d21c>] ?
handle_lxrt_request+0xbc/0xe40 [rtai_lxrt]
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<f936fd70>] ?
rt_sleep+0x100/0x240 [rtai_lxrt]
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<f936dffe>] ?
rtai_lxrt_invoke+0x5e/0x190 [rtai_lxrt]
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<f926b8ba>] ?
intercept_syscall_prologue+0x2a/0xe0 [rtai_hal]
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<c108de9d>] ?
__ipipe_dispatch_event+0x2d/0x1c0
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<c1037306>] ?
__ipipe_flush_printk+0x56/0x90
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<c103c607>] ?
irq_exit+0x37/0x70
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<c1017787>] ?
__ipipe_syscall_root+0x47/0xe0
Mar 27 08:16:11 firefox kernel: [ 1086.136244] [<c1002ef8>] ?
sysenter_past_esp+0x55/0x6c
Mar 27 08:16:11 firefox kernel: [ 1086.246418] BUG: Unhandled
exception over domain RTAI at 0xc1001e18 - switching to ROOT
Mar 27 08:16:11 firefox kernel: [ 1086.246440] Pid: 38, comm:
md0_raid1 Not tainted 2.6.38.8-rtai #3
Mar 27 08:16:11 firefox kernel: [ 1086.246442] Call Trace:
Mar 27 08:16:11 firefox kernel: [ 1086.246444] [<c1017541>] ?
__ipipe_handle_exception+0x221/0x230
Mar 27 08:16:11 firefox kernel: [ 1086.246447] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:11 firefox kernel: [ 1086.246448] [<c1349a7d>] ?
error_code+0x5d/0x6c
Mar 27 08:16:11 firefox kernel: [ 1086.246450] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:11 firefox kernel: [ 1086.246452] [<c1028126>] ?
context_switch+0xe6/0x310
Mar 27 08:16:11 firefox kernel: [ 1086.246454] [<c1204937>] ?
notify_update+0x27/0x30
Mar 27 08:16:12 firefox kernel: [ 1086.246456] [<f936aaf1>] ?
rt_schedule+0x111/0xac0 [rtai_lxrt]
Mar 27 08:16:12 firefox kernel: [ 1086.246458] [<f936fe88>] ?
rt_sleep+0x218/0x240 [rtai_lxrt]
Mar 27 08:16:12 firefox kernel: [ 1086.246461] [<f936d21c>] ?
handle_lxrt_request+0xbc/0xe40 [rtai_lxrt]
Mar 27 08:16:12 firefox kernel: [ 1086.246463] [<f936fd70>] ?
rt_sleep+0x100/0x240 [rtai_lxrt]
Mar 27 08:16:12 firefox kernel: [ 1086.246465] [<f936dffe>] ?
rtai_lxrt_invoke+0x5e/0x190 [rtai_lxrt]
Mar 27 08:16:12 firefox kernel: [ 1086.246467] [<f926b8ba>] ?
intercept_syscall_prologue+0x2a/0xe0 [rtai_hal]
Mar 27 08:16:12 firefox kernel: [ 1086.246469] [<c108de9d>] ?
__ipipe_dispatch_event+0x2d/0x1c0
Mar 27 08:16:12 firefox kernel: [ 1086.246472] [<c1037306>] ?
__ipipe_flush_printk+0x56/0x90
Mar 27 08:16:12 firefox kernel: [ 1086.246474] [<c103c607>] ?
irq_exit+0x37/0x70
Mar 27 08:16:12 firefox kernel: [ 1086.246475] [<c1017787>] ?
__ipipe_syscall_root+0x47/0xe0
Mar 27 08:16:12 firefox kernel: [ 1086.246478] [<c1002ef8>] ?
sysenter_past_esp+0x55/0x6c
Mar 27 08:16:12 firefox kernel: [ 1086.247797] BUG: Unhandled
exception over domain RTAI at 0xc1001e18 - switching to ROOT
Mar 27 08:16:12 firefox kernel: [ 1086.247831] Pid: 15949, comm: kill
Not tainted 2.6.38.8-rtai #3
Mar 27 08:16:12 firefox kernel: [ 1086.247833] Call Trace:
Mar 27 08:16:12 firefox kernel: [ 1086.247835] [<c1017541>] ?
__ipipe_handle_exception+0x221/0x230
Mar 27 08:16:12 firefox kernel: [ 1086.247837] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:13 firefox kernel: [ 1086.247839] [<c1349a7d>] ?
error_code+0x5d/0x6c
Mar 27 08:16:13 firefox kernel: [ 1086.247841] [<c1001e18>] ?
__switch_to+0x158/0x1b0
Mar 27 08:16:13 firefox kernel: [ 1086.247843] [<c1028126>] ?
context_switch+0xe6/0x310
Mar 27 08:16:13 firefox kernel: [ 1086.247845] [<c1204937>] ?
notify_update+0x27/0x30
Mar 27 08:16:13 firefox kernel: [ 1086.247847] [<f936aaf1>] ?
rt_schedule+0x111/0xac0 [rtai_lxrt]
Mar 27 08:16:13 firefox kernel: [ 1086.247849] [<f936fe88>] ?
rt_sleep+0x218/0x240 [rtai_lxrt]
Mar 27 08:16:13 firefox kernel: [ 1086.247851] [<f936d21c>] ?
handle_lxrt_request+0xbc/0xe40 [rtai_lxrt]
Mar 27 08:16:13 firefox kernel: [ 1086.247854] [<f936fd70>] ?
rt_sleep+0x100/0x240 [rtai_lxrt]
Mar 27 08:16:13 firefox kernel: [ 1086.247856] [<f936dffe>] ?
rtai_lxrt_invoke+0x5e/0x190 [rtai_lxrt]
Mar 27 08:16:13 firefox kernel: [ 1086.247858] [<f926b8ba>] ?
intercept_syscall_prologue+0x2a/0xe0 [rtai_hal]
Mar 27 08:16:13 firefox kernel: [ 1086.247860] [<c108de9d>] ?
__ipipe_dispatch_event+0x2d/0x1c0
Mar 27 08:16:13 firefox kernel: [ 1086.247862] [<c1037306>] ?
__ipipe_flush_printk+0x56/0x90
Mar 27 08:16:13 firefox kernel: [ 1086.247864] [<c103c607>] ?
irq_exit+0x37/0x70
Mar 27 08:16:13 firefox kernel: [ 1086.247866] [<c1017787>] ?
__ipipe_syscall_root+0x47/0xe0
Mar 27 08:16:13 firefox kernel: [ 1086.247868] [<c1002ef8>] ?
sysenter_past_esp+0x55/0x6c
Mar 27 08:16:13 firefox kernel: [ 1086.250899] LXRT releases PID 15928
(ID: latency).
Mar 27 08:16:13 firefox kernel: [ 1087.772557] RTAI[malloc]: unloaded.
Mar 27 08:16:13 firefox kernel: [ 1087.872331] RTAI[sched]: unloaded
(forced hard/soft/hard transitions: traps 0, syscalls 0).
Mar 27 08:16:14 firefox kernel: [ 1087.961969] I-pipe: Domain RTAI unregistered.
Mar 27 08:16:14 firefox kernel: [ 1087.961978] RTAI[hal]: unmounted.
------------------------------
Message: 2
Date: Tue, 27 Mar 2012 08:40:25 -0400
From: Glen Wernersbach <glen at jetsoftdev.com>
To: <masarati at aero.polimi.it>
Cc: "rtai at rtai.org" <rtai at rtai.org>
Subject: Re: [Rtai] Div64 compile error
Message-ID: <CB972D79.1F074%glen at jetsoftdev.com>
Content-Type: text/plain; charset="ISO-8859-1"
I think you are right.
I had to make a link of the ASM-ARM folder in the Linux directory and move
it into the ARCH director of RTAI.
That took care of the div64 error but there were warnings because they are
defined as static.
Two other compile prolems.
1. RTAI_atomic_t.h could not find the atomic_t structure definition. I
hacked it in.
2. I also got the error ldres and sdres were not available for the AT91
processor. Standard error. I gave up after that one.
On 3/26/12 5:25 PM, "masarati at aero.polimi.it" <masarati at aero.polimi.it>
wrote:
>>
>> Hi all,
>>
>> Trying to compile 3.8 on arm.
>>
>> I am getting the include div64.h not found error.
>>
>> I have hacked around this before but is there a fix for it.
>>
>> For some reason, the asm location is always messed up on my rtai builds.
>
> I suspect something related to moving to a more recent autotool chain.
> Can you post more information about the error you encounter? E.g. what
> logs on the screen, where div64.h is actually located in your system,
> etc.?
>
> Thanks, p.
>
>
--
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------------------------------
Message: 3
Date: Tue, 27 Mar 2012 17:42:55 +0200
From: Pierangelo Masarati <masarati at aero.polimi.it>
To: Glen Wernersbach <glen at jetsoftdev.com>
Cc: "rtai at rtai.org" <rtai at rtai.org>
Subject: Re: [Rtai] Div64 compile error
Message-ID: <4F71DFFF.5090903 at aero.polimi.it>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 03/27/2012 02:40 PM, Glen Wernersbach wrote:
> I think you are right.
>
> I had to make a link of the ASM-ARM folder in the Linux directory and move
> it into the ARCH director of RTAI.
>
> That took care of the div64 error but there were warnings because they are
> defined as static.
>
> Two other compile prolems.
> 1. RTAI_atomic_t.h could not find the atomic_t structure definition. I
> hacked it in.
> 2. I also got the error ldres and sdres were not available for the AT91
> processor. Standard error. I gave up after that one.
We do not develop for arm right now, so I won't be able to look into
this issue in detail. Anyone experiencing similar problems can provide
further cues?
Cheers, p.
--
Pierangelo Masarati
Associate Professor
Dipartimento di Ingegneria Aerospaziale
Politecnico di Milano
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