Subject: Re: [ecasound] ecawave memory problems...
From: S. Massy (theanaloguekid_AT_tak.net.dhis.org)
Date: Fri Nov 30 2001 - 18:41:53 EET
On Fri, 30 Nov 2001, Hadley, Alex <alex.hadley_AT_domino-uk.com> wrote:
> Good morning Kai,
>
> I tried redirecting default-output as you suggested but unfortunately it
> seemed to make no difference. The program still crashes with the same 'out
> of memory' error in the xterm window and strace is still showing that it's
> trying to allocate too much memory:
>
> read(6,
> "\241\10\252\tu\n\361\10\333\10V\10\204\5u\7\241\6%\5M\6"..., 4096) = 2934
> _llseek(6, 0, [0], SEEK_SET) = 0
> read(6, "RIFFn\213\0\0WAVEfmt \20\0\0\0\1\0\1\0D\254\0\0\210X\1"...,
> 4096) = 4096
> _llseek(6, 4096, [4096], SEEK_SET) = 0
> _llseek(6, 4096, [4096], SEEK_SET) = 0
> _llseek(6, 4096, [4096], SEEK_SET) = 0
> old_mmap(NULL, 268439552, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = -1 ENOMEM (Cannot allocate memory)
> brk(0x18127000) = 0x8126000
> old_mmap(NULL, 2097152, PROT_NONE,
> MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x40c77000
> munmap(0x40c77000, 561152) = 0
> munmap(0x40e00000, 487424) = 0
> mprotect(0x40d00000, 32768, PROT_READ|PROT_WRITE) = 0
> old_mmap(NULL, 268439552, PROT_READ|PROT_WRITE,
> MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = -1 ENOMEM (Cannot allocate memory)
> write(2, "out of memory", 13out of memory) = 13
> write(2, "\n", 1
> ) = 1
> _exit(1)
Seems familiar to me... I encountered something similar in an ECI app.
Might I ask what version you're using? Also, is it just a binary or is
it compiled from source?
>
> I don't know if the above is of any help, but I thought you may be able to
> make some sense of it. I'm wondering if there is something fundamental that
> I could be doing wrong. As I said already, I'm fairly new to Linux and Unix
> so if you can think of any basic things that need checking, let me know -
> although I did make an effort to follow the Install instructions to the
> letter.
>
> Thanks for the help,
>
> Alex.
>
> > -----Original Message-----
> > From: Kai Vehmanen [SMTP:k_AT_eca.cx]
> > Sent: 28 November 2001 17:25
> > To: 'ecasound-list_AT_wakkanet.fi'
> > Subject: Re: [ecasound] ecawave memory problems...
> >
> > On Wed, 28 Nov 2001, Hadley, Alex wrote:
> >
> > > Ecawave seems to runs OK up until the point when I actually try to play
> > a
> > > sound that I've loaded. As soon as I hit 'start', the program crashes
> > with
> > > an error in the xterm window saying 'out of memory'. strace says that
> > it
> > > tries to allocate 268MB of memory, I think - I'm fairly new to the whole
> >
> > Try setting...
> >
> > --cut--
> > default-output = rtnull
> > --cut--
> >
> > to your ~/.ecawaverc (rtnull replaces /dev/pds), and see whether it still
> > crashes.
> >
> > --
> > http://www.eca.cx
> > Audio software for Linux!
> >
> > --
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