[Bug 528073] Re: os-prober hangs on /usr/lib/os-probes/50mounted-tests on /dev/sda2 and sda2 not present

[Jeff Lane]

You'll have to ask Mario :-)

In my case, the partition table looked something like this:

sda1   Primary       /           15.1GB
sda2   Extended                716MB
sda5   Logical        swap    716MB

What seems to be happenign is that blkid is reading trying to get some
sort of info from the extended partition, and AFAIK, extended partitions
are just META partitions, and don't really posess things like UUID (I
could be wrong, but that's my understanding at this point).

So yes, /dev/sda2 does exist, BUT it's simply an Extended partition,
which really is just a metapartition containing X local partitions
within.

Personally, I really do NOT like the use of extended partitions in
default partitioning schemes.  There's really no reason at all for the
defaut partition scheme to look like this.  I could see it for a custom
scheme that involved more than 4 partitions, but for this, no.

IMO, the default partitioning should just be two primary partitions.

I have a feeling that this issue will not be seen in custom schemes or
in schemes that use an existing partition (the "Install alongside"
option.  I haven't tried either of those though to find out.

-- 
os-prober hangs on /usr/lib/os-probes/50mounted-tests on /dev/sda2 and sda2 not present
https://bugs.launchpad.net/bugs/528073
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