aliasing (or renaming) kern.geom.debugflags

Warren Block wblock at wonkity.com
Fri Oct 7 21:10:35 UTC 2011


On Fri, 7 Oct 2011, Glen Barber wrote:

> On 10/7/11 4:27 PM, Warren Block wrote:
>>> In my experience, without kern.geom.debugflags=16, the MBR will not be
>>> written to the memstick, leaving you with what would effectively be a
>>> coaster in the not-so-distant past.
>>
>> Tried it just now with the 9.0-BETA3 memstick image.
>>
>
> [...]
>
>>
>> Followed by removing the memory stick without unmounting it to avoid
>> overwriting part of the image.  No obvious problems, but no, it's not
>> polite.  (I'm thinking "automounter" here.)
>>
>
> Me not being one that uses hald or devd for USB, I'm certain the device
> was not mounted when writing the memstick image.  In the former case of
> your test, is the USB stick bootable?

I cleared the first 34 blocks and wrote it again to make sure, but yes.


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