[pocket-linux] appendix, floppy overflowing ...

[David Horton]

> -----Original Message-----
> From: rainer [mailto:chimera at b2b2c.ca]
> Sent: Monday, February 28, 2005 03:00 AM
> To: 'Support for Pocket Linux Guide'
> Subject: Re: [pocket-linux] appendix, floppy overflowing ...
> 
> rainer wrote:
> 
> > David Horton wrote:
> >
> >> rainer wrote:
> >>
> >>> David Horton wrote:
> >>>
> >>>> rainer wrote:
> >>>>
> >>>>> hello,
> >>>>>
> >>>>> there's no more space left on the floppy - got 1441 in, 1440 out !?
> >>>>>
> >>>>> restripped all the binaries and libraries still no change. the 
> >>>>> only thing i can think of was ch. 5 where i had to add 2 libraries 
> >>>>> (libblkid.so.1 and libuuid.so.1) to get mount to work in the 
> >>>>> implementation section. the guide stated there should be NO 
> >>>>> libraries to add.
> >>>>>
> >>>>> any advice?
> >>>>>
> >>>>> thanks
> >>>>>
> >>>>
> >>>> The libblkid.so.1 and libuuid.so.1 have something to do with the 
> >>>> way e2fsprogs is configured.  In one configuration they are 
> >>>> separate libraries and in the other they are part of the binary.  I 
> >>>> think the option that controls this is --enable-dynamic-e2fsck, but 
> >>>> I'm not sure.  Anyway, check ./configure --help to see if it says 
> >>>> which is which. You might shrink the total size by not using 
> >>>> separate libraries.
> >>>>
> >>>> Dave
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> Pocket-Linux mailing list
> >>>> Pocket-Linux at ufo.chicago.il.us
> >>>> http://ufo.chicago.il.us/cgi-bin/mailman/listinfo/pocket-linux
> >>>>
> >>>>
> >>> thanks for the reply.
> >>>
> >>> i noted with dismay that the mailing list is not accepting anything 
> >>> from 'pine' again. this is going to make sending accurate and full 
> >>> info a lot more painstaking and difficult!
> >>>
> >>> i reviewed your advice and found the line in question, line 63 in 
> >>> e2fsprog's configure. the --help confirmed your guess. as i 
> >>> understand it i change, '--enable-dynamic-fsck' to 
> >>> '--disable-dynamic-fsck'? but i still don't understand how that 
> >>> saves me space? i delete the libs, libblkid.so.1 and libuuid.so.1 
> >>> but my binary becomes bigger - it now statically includes these 
> >>> libraries?
> >>>
> >>> the MCONFIG for util-linux may have something that's relevant for 
> >>> 'blkid'?
> >>>
> >>> here are some of my numbers in bytes as it stands now;
> >>>
> >>> # ls -l phase8-image.gz
> >>>    1481426
> >>> # ~/staging du -cb
> >>>    3142403
> >>> # du -cb ?staging/lib/*
> >>>    libblkid.so.1  24496
> >>>    libuuid.s0.1    9276
> >>>
> >>> (1481426 - (24496 + 9276) = 1447654
> >>>
> >>> if anyone could submit a complete list for
> >>>
> >>> # ~/staging du -cb
> >>>
> >>> that would be helpful. i checked every dir for mistakes but still 
> >>> haven't ruled out some other problems (found a pocket-linux 
> >>> guide.txt in staging at one point!) or attach a working 
> >>> phase8-image.gz root disk it would be helpful to compare
> >>>
> >>> waiting to be enlightened,
> >>>
> >>> thanks
> >>
> >>
> >>
> >> I thought that perhaps there would be extra overhead in terms of code 
> >> included to accomplish the dynamic linking that would be gone with 
> >> static linking.  By the way, are you zeroing out the ramdisk (or 
> >> loopback device) each time you modify this image?  If you just delete 
> >> a file the image will stay the same size since the file's contents 
> >> are still there and all that gets deleted is the directory link to 
> >> the file.  I ran into this problem a couple times myself.
> >>
> >> Also, your Pine mail is getting rejected because the mailing list 
> >> thinks you are not subscribed.  Same address though, so it does not 
> >> make a lot of sense.
> >>
> >> Dave
> >>
> >> _______________________________________________
> >> Pocket-Linux mailing list
> >> Pocket-Linux at ufo.chicago.il.us
> >> http://ufo.chicago.il.us/cgi-bin/mailman/listinfo/pocket-linux
> >>
> >>
> > i think i do 'zero out', i deleted the txt file from the staging dir 
> > then remade the image from scratch, starting with,
> >
> > dd if=/dev/zero of=/dev/ram7 bs=1k count=4096 ...
> >
> >
> > _______________________________________________
> > Pocket-Linux mailing list
> > Pocket-Linux at ufo.chicago.il.us
> > http://ufo.chicago.il.us/cgi-bin/mailman/listinfo/pocket-linux
> >
> >
> redid it again and got a slightly smaller .gz size (now 1471318) and it 
> fit! the max size on that floppy by my calculations is  1440 x 1024 = 
> 1474560 so it's close, ~3kb+ space left. i think i used the old 
> phase8-image the first time. it definitely helps to be organised and do 
> regular cleaning ...
> 
> 

Excellent!