Date: Sat, 5 Oct 2002 09:41:34 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Peter Wemm <peter@wemm.org> Cc: Poul-Henning Kamp <phk@critter.freebsd.dk>, n0go013 <ttz@blahdeblah.demon.co.uk>, current <freebsd-current@freebsd.org> Subject: Re: [ GEOM tests ] disklabel warnings and vinum drives lost Message-ID: <20021005001134.GO72541@wantadilla.lemis.com> In-Reply-To: <20021004211157.378592A896@canning.wemm.org> References: <35389.1033748850@critter.freebsd.dk> <20021004211157.378592A896@canning.wemm.org>
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On Friday, 4 October 2002 at 14:11:57 -0700, Peter Wemm wrote:
> Poul-Henning Kamp wrote:
>> In message <20021004161119.GA10830@pooh.blahdeblah.demon.co.uk>, n0go013 writ
> es
>> :
>>> On 04.10-15:40, fergus wrote:
>>>> On 04.10-14:20, Poul-Henning Kamp wrote:
>>>> [...]
>>>>> I suspect vinum uses this sysctl to get an inventory of disks in
>>>>> the system, so can I get you to try again making sure you have
>>>>> rev. 1.20 of src/sys/geom/geom_disk.c ?
>>> [...]
>>>> i'll let you know the test results when i have some.
>>>
>>> same results -- can't initialise any drives. i think the example below
>>> points more directly to the issue but i'm pretty sure it is because the
>>> direct read from the disk does not return a valid disklabel. without a
>>> 'vinum' partition entry vinum spews.
>>
>> I have no idea how vinum does this or something else, but clearly
>> something is not done the right way in vinum...
>
> vinum is so much unbelievable stuff in it. Consider this stuff:
>
> sys/dev/vinum/vinumio.c:
>
> /* Find the device */
> if (bcmp(dname, "ad", 2) == 0) /* IDE disk */
> devmajor = 116;
You missed the lines in front:
/*
* Yes, Bruce, I know this is horrible, but we
* don't have a root filesystem when we first
* try to do this. If you can come up with a
* better solution, I'd really like it. I'm
* just putting it in now to add ammuntion to
* moving the system to devfs.
*/
> It goes *way* downhill from there. :-(
Really? I thought that was the worst of the lot.
Greg
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