Date: Sat, 28 Aug 2004 13:08:30 -0700 From: Colin Percival <colin.percival@wadham.ox.ac.uk> To: Ken Smith <kensmith@cse.Buffalo.EDU> Cc: Ken Smith <kensmith@FreeBSD.org> Subject: Re: cvs commit: src/sys/dev/md md.c Message-ID: <6.1.0.6.1.20040828130357.0387c878@popserver.sfu.ca> In-Reply-To: <20040828195953.GE26424@electra.cse.Buffalo.EDU> References: <200408281954.i7SJsojG018658@repoman.freebsd.org> <20040828195953.GE26424@electra.cse.Buffalo.EDU>
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At 12:59 28/08/2004, Ken Smith wrote:
>On Sat, Aug 28, 2004 at 07:54:50PM +0000, Ken Smith wrote:
>> Back out the MFC done as rev 1.127.2.1. It seems to fix the problem of
>> mdconfig returning before the device's name appears in /dev but it seems
>> to cause a worse problem. When booting the installation media (CD or
>> boot floppies) the system hangs after the device probes, at the point
>> it should be trying to mount a MD-based filesystem as its root filesystem.
>
>Colin/Poul-Henning, do you mind checking into why the call to
>g_waitidle() seems to cause problems using an md device as a root
>filesystem during install?
I'm guessing that at this point in the boot process, geom
hasn't reached the stage of being able to look at events
and do something with them.
I suspect that replacing
g_waitidle();
with
if (sc->type != MD_PRELOAD)
g_waitidle();
will fix this problem; I'll test and commit this later.
Colin Percival
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