gpart inside jails

[Norbert Koch]

Am 2016-06-16 um 17:39 schrieb Allan Jude:
> On 2016-06-16 11:23, Norbert Koch wrote:
>> Hello,
>>
>> for creating freebsd boot flash media for embedded devices
>> I use mdconfig/gpart.
>>
>> Recently I put my 32-bit build machines into a jail under a 64-bit machine.
>> This is my configuration:
>>
>> Host: FreeBSD-10.3/amd64
>> Jail1: FreeBSD-9.1/i386
>> Jail2: FreeBSD-10.3/i386
>> Jail3: FreeBSD-10.3/amd64
>>
>> If I jexec gpart status I get this:
>>   Jail1: segmentation fault
>>   Jail2: segmentation fault
>>   Jail3: correct result as seen under host system
>>
>> So, this is obviously a 32/64 bit issue. Any idea?
>>
>> Thank you,
>> Norbert Koch
>>
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> You might want to look at:
>
> makefs(8): create a ufs filesystem in a file, from a directory tree or
> mtree file. This allows you to avoid mdconfig, and can be done as a
> non-root user.
>
> mkimg(8): create a disk or VM (vmdk, vdi, qcow2, raw, etc) image from
> one or more file systems. Allows you to create the partitions and load
> the boot code etc. This allows you to avoid gpart, and can be done as a
> non-root user.
>

Thank you. I'll try these.


> Re: why it crashes: I am guessing the kernel interface between gpart and
> geom_part.ko is not 32/64 safe or something. Someone else with a better
> informed opinion may be able to help you resolve the issue. Maybe the
> above workarounds will help.
>

-- 
Dipl.-Ing. Norbert Koch
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