cramfs and jffs2 =)
thanks
2011/8/17 Carsten Haitzler <ras...@rasterman.com>
> On Tue, 16 Aug 2011 10:35:30 -0300 Paulo Benatto <bena...@gmail.com> said:
>
> so... are you using jffs2? jffs2 doesnt support mmap properly (map shared
> wont
> work). as such efl is simply incompatible with such primitive filesystems.
> we
> could make it map private but then it is impossible to share writes. try a
> better filesystem. (ubifs if on raw nand, btrfs, ext3/4 and others etc. if
> on
> mmc and hdd/ssd devices)
>
> > I did two simple programs to test mmap:
> >
> > 1 - Using MAP_SHARED - Doesn't work
> > 2 - Using MAP_PRIVATE - Works
> >
> > Thanks Carsten for the help!
> >
> > 2011/8/13 Carsten Haitzler <ras...@rasterman.com>
> >
> > > On Sat, 13 Aug 2011 14:58:10 -0300 Paulo Benatto <bena...@gmail.com>
> said:
> > >
> > > > 2011/8/12 Carsten Haitzler <ras...@rasterman.com>
> > > >
> > > > > On Fri, 12 Aug 2011 17:13:39 -0300 Paulo Benatto <
> bena...@gmail.com>
> > > said:
> > > > >
> > > > > looks like your install is screwed - elementary cant find its
> default
> > > > > theme.
> > > > > it's hunting for it and not finding it. file doesnt exist
> > > (default.edj).
> > > > >
> > > >
> > > > hum, but when I delete the file (default.edj) doesn't appear the
> error
> > > > (cannot allocate memory).
> > >
> > > well it is loading /tmp/default.edj which is kind of wrong as it smells
> > > like
> > > its trying to load the default theme there. be that as it may - it does
> > > succeed
> > > in opening that.. but mmap fails. have you checked the number of
> mappings
> > > of
> > > the process? mmap manual says you'll get ENOMEM if:
> > >
> > > ENOMEM No memory is available, or the process's maximum number of
> > > map‐
> > > pings would have been exceeded.
> > >
> > > a quick check shows that normally the max # of mapppings for a process
> is
> > > 65536. look in /proc/PID/maps while process is alive. pmap helps too.
> also
> > > you
> > > don't happen to be using jffs2 or something?
> > >
> > > > > > Hi List,
> > > > > >
> > > > > > my name is Paulo, and I'm new in EFL, more or less 3 weeks ago I
> > > started
> > > > > to
> > > > > > study EFL, I started using Evas and Ecore, now I would like to
> use
> > > > > > Elementary. I've cross-compiled Elemetary, and I compiled a
> simple
> > > > > example,
> > > > > > HelloWorld.c to run in my embedded system. When I try to run the
> > > > > > HelloWorld, I get this message: "Cannot Allocate Memory", but
> there
> > > are
> > > > > 45
> > > > > > MB free memory. The default.edj (theme) is a litle big (1 MB),
> but I
> > > > > think
> > > > > > that is not my problem. Someone had problems with blackfin
> processor
> > > and
> > > > > > elementary? Someone has a tip? If I can't fix this problem I will
> do
> > > my
> > > > > > Interface using Evas/Ecore =/ hehehe.
> > > > > >
> > > > > > Thanks List!
> > > > > > *
> > > > > > MY ERROR*
> > > > > >
> > > > >
> > >
> -----------------------------------------------------------------------------------------------------------
> > > > > > stat("/tmp/default.edj", {st_mode=S_IFREG|0644, st_size=47485,
> ...})
> > > = 0
> > > > > > stat("/tmp/default.edj", {st_mode=S_IFREG|0644, st_size=47485,
> ...})
> > > = 0
> > > > > > open("/tmp/default.edj", O_RDONLY) = 10
> > > > > > ioctl(10, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or
> > > TCGETS,
> > > > > > 0x2b1e4d0) = -1 ENOTTY (Inappropriate ioctl for device)
> > > > > > fstat(10, {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > > > > fcntl(10, F_SETFD, FD_CLOEXEC) = 0
> > > > > > *mmap2(NULL, 47485, PROT_READ, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot
> > > > > > allocate memory)*
> > > > > > munmap(0xffffffff, 47485) = -1 EINVAL (Invalid
> > > argument)
> > > > > > close(10) = 0
> > > > > > stat("/.elementary/themes/default.edj", 0x2b1e614) = -1 ENOENT
> (No
> > > such
> > > > > file
> > > > > > or directory)
> > > > > > stat
> > > > > >
> > > > >
> > >
> ("/home/paulo.benatto/blackfin-jhbuild/share/elementary/themes/default.edj",
> > > > > > 0x2b1e614) = -1 ENOENT (No such file or directory)
> > > > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > open("/tmp/default.edj",
> > > > > > O_RDONLY) = 10 ioctl(10, SNDCTL_TMR_TIMEBASE or
> > > > > > SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x2b1e4d0) = -1 ENOTTY
> > > > > > (Inappropriate ioctl for device) fstat(10, {st_mode=S_IFREG|0644,
> > > > > > st_size=47485, ...}) = 0 fcntl(10, F_SETFD, FD_CLOEXEC)
> = 0
> > > > > > *mmap2(NULL, 47485, PROT_READ, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot
> > > > > > allocate memory)*
> > > > > > munmap(0xffffffff, 47485) = -1 EINVAL (Invalid
> > > argument)
> > > > > > close(10) = 0
> > > > > > stat("/.elementary/themes/default.edj", 0x2b1e614) = -1 ENOENT
> (No
> > > such
> > > > > file
> > > > > > or directory)
> > > > > > stat
> > > > > >
> > > > >
> > >
> ("/home/paulo.benatto/blackfin-jhbuild/share/elementary/themes/default.edj",
> > > > > > 0x2b1e614) = -1 ENOENT (No such file or directory) mmap2(NULL,
> 4096,
> > > > > > PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS|0x4000000, 0, 0) =
> > > > > 0x103d000
> > > > > > stat("/tmp/default.edj", {st_mode=S_IFREG|0644, st_size=47485,
> ...})
> > > = 0
> > > > > > stat("/tmp/default.edj", {st_mode=S_IFREG|0644, st_size=47485,
> ...})
> > > = 0
> > > > > > open("/tmp/default.edj", O_RDONLY) = 10
> > > > > > ioctl(10, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or
> > > TCGETS,
> > > > > > 0x2b1e4d0) = -1 ENOTTY (Inappropriate ioctl for device)
> > > > > > fstat(10, {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > > > > fcntl(10, F_SETFD, FD_CLOEXEC) = 0
> > > > > > mmap2(NULL, 47485, PROT_READ, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot
> > > > > > allocate memory)
> > > > > > munmap(0xffffffff, 47485) = -1 EINVAL (Invalid
> > > argument)
> > > > > > close(10) = 0
> > > > > > stat("/.elementary/themes/default.edj", 0x2b1e614) = -1 ENOENT
> (No
> > > such
> > > > > file
> > > > > > or directory)
> > > > > > stat
> > > > > >
> > > > >
> > >
> ("/home/paulo.benatto/blackfin-jhbuild/share/elementary/themes/default.edj",
> > > > > > 0x2b1e614) = -1 ENOENT (No such file or directory)
> > > > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > open("/tmp/default.edj",
> > > > > > O_RDONLY) = 10 ioctl(10, SNDCTL_TMR_TIMEBASE or
> > > > > > SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x2b1e4d0) = -1 ENOTTY
> > > > > > (Inappropriate ioctl for device) fstat(10, {st_mode=S_IFREG|0644,
> > > > > > st_size=47485, ...}) = 0 fcntl(10, F_SETFD, FD_CLOEXEC)
> = 0
> > > > > > *mmap2(NULL, 47485, PROT_READ, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot
> > > > > > allocate memory)*
> > > > > > munmap(0xffffffff, 47485) = -1 EINVAL (Invalid
> > > argument)
> > > > > > close(10) = 0
> > > > > > stat("/.elementary/themes/default.edj", 0x2b1e614) = -1 ENOENT
> (No
> > > such
> > > > > file
> > > > > > or directory)
> > > > > > stat
> > > > > >
> > > > >
> > >
> ("/home/paulo.benatto/blackfin-jhbuild/share/elementary/themes/default.edj",
> > > > > > 0x2b1e614) = -1 ENOENT (No such file or directory)
> > > > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > open("/tmp/default.edj",
> > > > > > O_RDONLY) = 10 ioctl(10, SNDCTL_TMR_TIMEBASE or
> > > > > > SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x2b1e4d0) = -1 ENOTTY
> > > > > > (Inappropriate ioctl for device) fstat(10, {st_mode=S_IFREG|0644,
> > > > > > st_size=47485, ...}) = 0 fcntl(10, F_SETFD, FD_CLOEXEC)
> = 0
> > > > > > *mmap2(NULL, 47485, PROT_READ, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot
> > > > > > allocate memory)*
> > > > > > munmap(0xffffffff, 47485) = -1 EINVAL (Invalid
> > > argument)
> > > > > > close(10) = 0
> > > > > > stat("/.elementary/themes/default.edj", 0x2b1e614) = -1 ENOENT
> (No
> > > such
> > > > > file
> > > > > > or directory)
> > > > > > stat
> > > > > >
> > > > >
> > >
> ("/home/paulo.benatto/blackfin-jhbuild/share/elementary/themes/default.edj",
> > > > > > 0x2b1e614) = -1 ENOENT (No such file or directory)
> > > > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > open("/tmp/default.edj",
> > > > > > O_RDONLY) = 10 ioctl(10, SNDCTL_TMR_TIMEBASE or
> > > > > > SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x2b1e4d0) = -1 ENOTTY
> > > > > > (Inappropriate ioctl for device) fstat(10, {st_mode=S_IFREG|0644,
> > > > > > st_size=47485, ...}) = 0 fcntl(10, F_SETFD, FD_CLOEXEC)
> = 0
> > > > > > *mmap2(NULL, 47485, PROT_READ, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot
> > > > > > allocate memory)*
> > > > > > munmap(0xffffffff, 47485) = -1 EINVAL (Invalid
> > > argument)
> > > > > > close(10) = 0
> > > > > > stat("/.elementary/themes/default.edj", 0x2b1e614) = -1 ENOENT
> (No
> > > such
> > > > > file
> > > > > > or directory)
> > > > > > stat
> > > > > >
> > > > >
> > >
> ("/home/paulo.benatto/blackfin-jhbuild/share/elementary/themes/default.edj",
> > > > > > 0x2b1e614) = -1 ENOENT (No such file or directory)
> > > > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > open("/tmp/default.edj",
> > > > > > O_RDONLY) = 10 ioctl(10, SNDCTL_TMR_TIMEBASE or
> > > > > > SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x2b1e4a0) = -1 ENOTTY
> > > > > > (Inappropriate ioctl for device) fstat(10, {st_mode=S_IFREG|0644,
> > > > > > st_size=47485, ...}) = 0 fcntl(10, F_SETFD, FD_CLOEXEC)
> = 0
> > > > > > *mmap2(NULL, 47485, PROT_READ, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot
> > > > > > allocate memory)*
> > > > > > munmap(0xffffffff, 47485) = -1 EINVAL (Invalid
> > > argument)
> > > > > > close(10) = 0
> > > > > > stat("/.elementary/themes/default.edj", 0x2b1e5e4) = -1 ENOENT
> (No
> > > such
> > > > > file
> > > > > > or directory)
> > > > > > stat
> > > > > >
> > > > >
> > >
> ("/home/paulo.benatto/blackfin-jhbuild/share/elementary/themes/default.edj",
> > > > > > 0x2b1e5e4) = -1 ENOENT (No such file or directory)
> > > > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > stat("/tmp/default.edj",
> > > > > > {st_mode=S_IFREG|0644, st_size=47485, ...}) = 0
> > > open("/tmp/default.edj",
> > > > > > O_RDONLY) = 10 ioctl(10, SNDCTL_TMR_TIMEBASE or
> > > > > > SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x2b1e4a0) = -1 ENOTTY
> > > > > > (Inappropriate ioctl for device) fstat(10, {st_mode=S_IFREG|0644,
> > > > > > st_size=47485, ...}) = 0 fcntl(10, F_SETFD, FD_CLOEXEC)
> = 0
> > > > > > *mmap2(NULL, 47485, PROT_READ, MAP_SHARED, 10, 0) = -1 ENOMEM
> (Cannot
> > > > > > allocate memory)*
> > > > > > munmap(0xffffffff, 47485) = -1 EINVAL (Invalid
> > > argument)
> > > > > > close(10) = 0
> > > > > > stat("/.elementary/themes/default.edj", 0x2b1e5e4) = -1 ENOENT
> (No
> > > such
> > > > > file
> > > > > > or directory)
> > > > > > stat
> > > > > >
> > > > >
> > >
> ("/home/paulo.benatto/blackfin-jhbuild/share/elementary/themes/default.edj",
> > > > > > 0x2b1e5e4) = -1 ENOENT (No such file or directory) mmap2(NULL,
> 4096,
> > > > > > PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS|0x4000000, 0, 0) =
> > > > > 0x3af000
> > > > > >
> > > > > >
> > > > >
> > >
> -----------------------------------------------------------------------------------------------------------
> > > > > >
> > > > > > --
> > > > > > Paulo Leonardo Benatto, patito
> > > > > > "the fear of being free, makes you proud of being a slave"
> > > > > >
> > > > >
> > >
> ------------------------------------------------------------------------------
> > > > > > FREE DOWNLOAD - uberSVN with Social Coding for Subversion.
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> > > > > > _______________________________________________
> > > > > > enlightenment-devel mailing list
> > > > > > enlightenment-devel@lists.sourceforge.net
> > > > > > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > ------------- Codito, ergo sum - "I code, therefore I am"
> > > --------------
> > > > > The Rasterman (Carsten Haitzler) ras...@rasterman.com
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Paulo Leonardo Benatto, patito
> > > > "the fear of being free, makes you proud of being a slave"
> > > >
> > >
> ------------------------------------------------------------------------------
> > > > FREE DOWNLOAD - uberSVN with Social Coding for Subversion.
> > > > Subversion made easy with a complete admin console. Easy
> > > > to use, easy to manage, easy to install, easy to extend.
> > > > Get a Free download of the new open ALM Subversion platform now.
> > > > http://p.sf.net/sfu/wandisco-dev2dev
> > > > _______________________________________________
> > > > enlightenment-devel mailing list
> > > > enlightenment-devel@lists.sourceforge.net
> > > > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
> > > >
> > >
> > >
> > > --
> > > ------------- Codito, ergo sum - "I code, therefore I am"
> --------------
> > > The Rasterman (Carsten Haitzler) ras...@rasterman.com
> > >
> > >
> >
> >
> > --
> > Paulo Leonardo Benatto, patito
> > "the fear of being free, makes you proud of being a slave"
> >
> ------------------------------------------------------------------------------
> > uberSVN's rich system and user administration capabilities and model
> > configuration take the hassle out of deploying and managing Subversion
> and
> > the tools developers use with it. Learn more about uberSVN and get a free
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> > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
>
>
> --
> ------------- Codito, ergo sum - "I code, therefore I am" --------------
> The Rasterman (Carsten Haitzler) ras...@rasterman.com
>
>
--
Paulo Leonardo Benatto, patito
"the fear of being free, makes you proud of being a slave"
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