[Netkit.users] modifying kernel

Emanuele Colombo lele.colombo86 at gmail.com
Wed Nov 3 10:38:13 CET 2010


I solved the problem starting virtual machines with --append
sch_teql.max_equalizers=0, so I disable teql interface without a kernel
recompiling. Thank you for your help.

Regards,
Emanuele

2010/10/31 Massimo Rimondini <rimondin a dia.uniroma3.it>

>  Dear Emanuele,
>
> well, this seems pretty odd. Sounds more like a problem with the glibc, but
> this is just a (very) wild guess. Which distribution are you
> building/running this into?
>
> Regards,
> Massimo.
>
>
>
> On 10/27/2010 04:22 PM, Emanuele Colombo wrote:
>
> During the boot of the vm:
>
> UML running in SKAS0 mode
> Adding 26165248 bytes to physical memory to account for exec-shield gap
> *** buffer overflow detected ***:
> /home/lele/Scaricati/netkit/netkit/kernel/linux-2.6.26.5/linux terminated
>
>
>
> 2010/10/27 Julien Iguchi-Cartigny <julien.cartigny a unilim.fr>
>
>> Could you provide more infos about the crash ? the output log for instance
>> ?
>>
>> regards
>>
>> Julien.
>>
>> Le 27/10/2010 15:45, Emanuele Colombo a écrit :
>>  > Hi, I tried to modify netkit kernel. I simply downloaded the same
>> linux
>> > kernel version on which my netkit is based (2.6.26.5), I recompiled it
>> > following the manual way explained in README file in /netkit/kernel
>> > directory, but when I try to start a vm with that new kernel, netkit
>> > crashes. Xterm opens and then closes, I started a new vm with verbose
>> > output and saw that there's a buffer overflow which terminates the
>> > kernel. Can anybody help me? Thank you,
>> >
>> > Regards,
>> >
>> > Emanuele
>> >
>> >
>> >
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