Test Suite summary

Paolo Mantegazza mantegazza at aero.polimi.it
Thu Oct 28 13:22:29 CEST 2004


Umar Qureshey wrote:
> Hi,
> 
> I am running RTAI 3.1 w/ 2.6.8.1 kernel.  The hardware is an Intel
> 80486-DX4 75 MHz laptop with 24 MB RAM.  Kernel has been compiled with
> Processor Type -> 486.
> 
> With kern/preempt:
> 
> Adeos: Domain RTAI registered.
> RTAI[hal]: 3.1 mounted over Adeos 2.6r7/x86.
> RTAI[hal]: compiled with gcc version 3.3.2 (Mandrake Linux 10.0
> 3.3.2-6mdk).
> RTAI[malloc]: loaded (global heap size=131072 bytes).
> RTAI[sched_up]: loaded.
> RTAI[sched_up]: fpu=yes, timer=periodic.
> RTAI[sched_up]: standard tick=1000 hz, CPU=1193180 hz.
> RTAI[sched_up]: timer setup=1676 ns, resched latency=2514 ns.
> Error opening /dev/rtf/0
> 
> 
> CPU USE SUMMARY
> # 0 -> 127305
> END OF CPU USE SUMMARY
> 
> RTAI[malloc]: unloaded.
> RTAI[sched_up]: unloaded.
> Adeos: Domain RTAI unregistered.
> RTAI[hal]: unmounted.
> 
> The program was unable to open /dev/rtf/0.  This could be because I am
> compiling on a different machine and then running on a different one.
> Which devices to create manually in /dev?  Anyone know?
> 
> 
> With kern/latency:
> 
> Adeos: Domain RTAI registered.
> RTAI[hal]: 3.1 mounted over Adeos 2.6r7/x86.
> RTAI[hal]: compiled with gcc version 3.3.2 (Mandrake Linux 10.0
> 3.3.2-6mdk).
> RTAI[malloc]: loaded (global heap size=131072 bytes).
> RTAI[sched_up]: loaded.
> RTAI[sched_up]: fpu=yes, timer=periodic.
> RTAI[sched_up]: standard tick=1000 hz, CPU=1193180 hz.
> RTAI[sched_up]: timer setup=1676 ns, resched latency=2514 ns.
> 
> [system freezes for a while]
> 
> Then I get a scrolling list of what looks like call traces...
> [xxxxxxx] rcu_process_callbacks+0x0/0x130
> [xxxxxxx] do_posix_clock_monotonic_settime+0x0/0x10
> [xxxxxxx] do_posix_clock_monotonic_gettime+0x0/0x50
> [xxxxxxx] __adeos_ack_common_irq+0x0/0x70
> [xxxxxxx] irq_entries_start+0x0/0xe00
> 
> (The above two entries repeat about 218 times with
> irq_entries_start+0x10..0x20..0x30..0x40.........0xda0)
> 
> [xxxxxxx] adeos_sync_console+0x0/0x60
> [xxxxxxx] rtai_ssrq_trampoline+0x0/0x150  [rtai_hal]
> [xxxxxxx] __adeos_set_root_ptd+0x0/0x20
> [xxxxxxx] __adeos_get_root_ptd+0x0/0x20
> 
> All this is scrolling at full speed on the screen so I could be not 100%
> correct.  It's a good thing my full speed is only 75 Mhz allowing me to
> read it somewhat at least.
> 
> Does anyone have any clues??

Can you run other examples? What happens with the latency test?

Paolo.





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