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Re: [virt-tools-list] [PATCH] Fix udev rule



On Thu, Oct 11, 2012 at 5:13 PM, David Zeuthen <davidz redhat com> wrote:
>
>
>> > And can you confirm that David's updated rule fixes this issue?
>
> As I said in my other mail, there are many many reasons why things
> can fail that are unrelated to the udev rule. Just proclaiming "it
> doesn't work!" without investigating further and then scrapping a
> good udev rule is non-sense.

I didn't scrap anything. I'm saying more like I am unable to do any
testing or comparison if things are broken for me with and without
your change. I'm telling it here so that you or anyone else could help
me figure out what is going on.

> For example, there are some issues with the kernel loop driver and
> partitioned devices, that's probably what Zeeshan is running into
> (support for partitioned loop devices is rather new). I don't know
> what kernel it's fixed in (if fixed at all). But it's easy to check
> if the expected block devices show up. Maybe Zeeshan didn't do that,
> I don't know.

What I mean by "doesn't work" is that the media in question gets
automatically mounted and I get the dialog "Open with Files". Somehow
the udev rule never get triggered AFAICT:

 $ osinfo-detect -f env /dev/sdb1
OSINFO_BOOTABLE=1
OSINFO_INSTALLER=http://fedoraproject.org/fedora/18
OSINFO_LIVE=http://fedoraproject.org/fedora/18
OSINFO_MEDIA=http://fedoraproject.org/fedora/18:3
$ udevadm info --query=all /dev/sdb1|grep OSI
$

$ osinfo-detect -f env /dev/loop5p1
OSINFO_BOOTABLE=1
OSINFO_INSTALLER=http://fedoraproject.org/fedora/17
OSINFO_MEDIA=http://fedoraproject.org/fedora/17:1
$ udevadm info --query=all /dev/loop5p1|grep OSI

> FWIW, the updated udev rule consistently works on my box; latest F18
> packages, stock no customizations. That is, if the block devices
> do show up.

Great! If you have also tested against USB stick and hw CDROM, thats
all the testing we need.

In any case, I have no objection on pushing this change already as I
haven't seen it to cause any regressions.

-- 
Regards,

Zeeshan Ali (Khattak)
FSF member#5124


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