[Buildroot] dropbear & openssh transfers are limited to about 800k !?

Hinko Kocevar hinko.kocevar at cetrtapot.si
Thu Dec 11 12:52:50 UTC 2008

Andreas Kuehn wrote:
> Peter Korsgaard wrote:
>>>>>>> "Andreas" == Andreas Kuehn <Andreas.Kuehn at gin.de> writes:
>>  Andreas> Hi!
>>  Andreas> I'm using buildroot revision 23203. After all seems to work
>>  Andreas> on my at91sam9263 based board, I figured out that scp
>>  Andreas> transferes not more than 800kByte in one file. This is not
>>  Andreas> acceptable and I tried openssh instead of dropbear. Still,
>>  Andreas> the maximum transferable file size is less than 800k.
>> Works here:
>> scp binutils-2.18.tar.bz2 root at
>> root at's password:
>> binutils-2.18.tar.bz2                         100%   14MB   2.0MB/s   00:07

Here too.

> disappear. Any other ideas?
> Not knowing the cause is somewhat uncomfortable. (I hate keeping fingers
> crossed. Last time I dropped my coffee pot!)

Try running scp and/or dropbear on target under strace or better gdbserver.
Does it also limit file size if you transfer file from target to host or only other way around?


Hinko Kočevar, OSS developer
ČETRTA POT, d.o.o.
Planina 3, 4000 Kranj, SI EU
tel     ++386 (0) 4 280 66 03
e-mail  hinko.kocevar at cetrtapot.si
http    www.cetrtapot.si

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