On Fri, 11 Mar 2022 at 17:42, John Hanks <griz...@gmail.com> wrote: > Hi, > > I am using imgextract to download several images, like so > > imgextract --name one http://master/one.img > imgextract --name two http://master/two.img > imgextract --name three http://master/three.img > boot kernel initrd=initrd.magic initrd=one initrd=two initrd=three blah > blah blah > > So far so good, except that I wanted to try adding a lot of these but am > restricted by the maximum kernel command line length. I naively tried > > imgextract --name mysystem http://master/one.img > imgextract --name mysystem http://master/two.img > imgextract --name mysystem http://master/three.img > boot kernel initrd=initrd.magic initrd=mysystem blah blah blah > > and it worked!!! But, that seems way too easy, like I'm cheating. Is this > expected to work this way or am I exploiting a bug that might get fixed > later? I don't want to depend on this unless it's working this way on > purpose. > > Thanks, > > griznog > > Are you sure that the contents from them are all available? Since you are using imgextract I assume that the contents of *.img is compressed and that it contains CPIO archives?
Could you verify with imgstat that size adds up if you do them to separate names and then try those 2 to the same file? I see nothing that indicates this as being expected behaviour. /Christian
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