Date: Sun, 28 May 1995 00:36:39 -0700 (PDT) From: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com> To: agl@mac.glas.apc.org (Anthony Graphics) Cc: bde@zeta.org.au, freebsd-hackers@FreeBSD.org Subject: Re: mount "features" Message-ID: <199505280736.AAA05328@gndrsh.aac.dev.com> In-Reply-To: <Pine.LNX.3.91.950527174840.18428D-100000@mail.redline.ru> from "Anthony Graphics" at May 27, 95 05:50:04 pm
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> > On Sat, 27 May 1995, Bruce Evans wrote: > > > Date: Sat, 27 May 1995 06:28:16 +1000 > > From: Bruce Evans <bde@zeta.org.au> > > To: agl@redline.ru, freebsd-hackers@FreeBSD.org > > Subject: Re: mount "features" > > > > >mount /dev/fd0 /mnt > > >(on the write protected floppy) Well, getting tons of errors from the kernel, > > >ok > > > > Mount (rw) and open ([r]w) don't check for writability. The mount succeeds > > and you get errors later. > > > > >mount -r /dev/fd0 /mnt > > >/dev/fd0 on /mnt: Device busy > > >:-0 > > > > The device is apparently still mounted. > > > > >mount -r /dev/fd0.1440 /mnt > > >ok :-0 > > > > In FreeBSD, you can mount multiple times at the same mount point. Each > > mount gives another layer that hides the previous layer if the default > > mount options are used. fd0.1440 is different from fd0 as far as mount > > can tell, so the mount is permitted. > > > > Bruce > > > Oh well, guys, I forgot to tell you that it was in 2.0-RELEASE > kernel running on the 0412 distribution: so it's not too strange I suppose, > well, still can't boot 0412 on the ASUS SP3G's NCR 53c810 :-[ ^^^^^^^^^^^^^^^^^^^^^^^^^^ That was the missing detail I needed to find your boot problem. From Boyd Faulker I have the following that made his system boot with the ASUS PCI/I-483SP3G board and FreeBSD 950412 SNAP. Still do not under stand why this fixed it, but it did: ] OK. I recompiled the boot floppy kernel numerous times and removing the ] wt0 and mcdX entries allows the probe to continue. I have not unplugged ] my IDE devices, wd0 and wd1. Try doing using the -c option to the boot and disable the st0 and mcd* entries. If this gets you past the hang with your NCR controller let me know ASAP so that I can try to get a real fix for this. I don't have one of the boards here, and they are on back order with my supplier :-(. -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD
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