[uml-devel] Re: [uml-user] uml 2.6.0-test9 crash

["Sven 'Darkman' Michels" <sven@darkman.de>]

roland wrote:
> hi !´
> i think , i`m able to crash my uml. :(

i can't ;)


> at a second, third, fourth try, i isolated the problem a little bit:
> one or two non looped "dd if=/dev/zero of=test.dat bs=1k count=10000" just are enough
> to produce the same result.(under 2.6.0test9-skas-host and ALSO under 2.4.22-99-default
> suse9 host, rootfs inside uml is suse9)
> 
> is anybody able to reproduce this?

not exactly:
SuSE 9.0 host, debian 3.0 uml, hostkernel: 2.4.22 with skas, uml: 2.4.22
with um6, test:
for i in $(seq 1 5); do dd if=/dev/zero of=test${i}.dat bs=1k 
count=10000; done

The UML did the frist two dd's without problems, then it started to
hang.. i checked outside and saw the process switching states from
R to D and then back to R... so after a few secs the dd's did all
succeed and the uml is still running. So it didn't crash or so
but it also didn't play very well with that.

BTW: did you had any problems with building an uml kernel on
9.0? i wasn't able to get a running kernel on this box, compiling
on another host (8.1) works fine...

Regards,
Sven



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