[uClinux-dev] Page Allocation Failure

[Erwin Authried]

It's quite obvious that you ran out of memory. The kernel cannot
allocate a 993906 bytes if the largest available block is only 512kB.

Regards,
Erwin

Am Montag, den 18.06.2007, 10:10 -0300 schrieb Marcelo Ortega:
> Hi,
> 
> 	I´m new to uClinux, and I´m working on a project based around NXP´s 2468 microcontroller, and we are using the Embedded Artists OEM board as a development board.
> 	We´ve compiled some of our software for it, and we´ve got the errors listed below.
> 	We´ve noticed that if we compile a small working file, and include a big const matrix, we generate this. If the const is reduced, it works fine.
> 	I´ve found similar reports in other forums, related to other boards, and I´ve tried everything but could not solve it.
> 
> 	Does anybody have a clue?
> 
> 	Thanks,
> 
> 		Marcelo
> 
> 
> 
> 
> exemplo_ctf_sta: page allocation failure. order:8, mode:0xd0
> Allocation of length 993906 from process 155 failed
> DMA per-cpu: empty
> Normal per-cpu:
> cpu 0 hot: low 4, high 12, batch 2
> cpu 0 cold: low 0, high 4, batch 2
> HighMem per-cpu: empty
> 
> Free pages:        1248kB (0kB HighMem)
> Active:459 inactive:6541 dirty:0 writeback:0 unstable:0 free:312 slab:366 mapped
> :0 pagetables:0
> DMA free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
> Normal free:1248kB min:180kB low:360kB high:540kB active:1836kB inactive:26164kB
>  present:32768kB
> HighMem free:0kB min:128kB low:256kB high:384kB active:0kB inactive:0kB present:
> 0kB
> DMA: empty
> Normal: 0*4kB 2*8kB 3*16kB 3*32kB 5*64kB 0*128kB 1*256kB 1*512kB 0*1024kB 0*2048
> kB 0*4096kB = 1248kB
> HighMem: empty
> Unable to allocate RAM for process text/data, errno 12
> SIGSEGV
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-- 
Dipl.-Ing. Erwin Authried
Softwareentwicklung und Systemdesign