Date: Wed, 8 Jul 1998 13:26:16 +0100 From: Keith Jones <keith@blueberry.co.uk> To: Charlie Root <root@mutsgo.kf7nn.com> Cc: questions@FreeBSD.ORG Subject: Re: cant mount after kernel make Message-ID: <19980708132616.12565@blueberry.co.uk> In-Reply-To: <199807080524.AAA00208@mutsgo.kf7nn.com>; from Charlie Root on Wed, Jul 08, 1998 at 12:24:54AM -0500 References: <199807080524.AAA00208@mutsgo.kf7nn.com>
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On Wed, Jul 08, 1998 at 12:24:54AM -0500, Charlie Root wrote:
> I have 1 scsi drive and 1 ide cdrom i have cvsupped tonight and
> made world and made a new kernel upon booting i get the
> message cannot mount root press any key to reboot.
What controller/device/partition/slice is it trying to mount root from?
Immediately before it says 'Panic - cannot mount root' there should be a line
which says 'changing root device to sd0s1a' or some such. What does this
line read? Does the device it's trying to mount root from exist?
> i booted the old kernel by typing in
>
> 0:sd(0,a)oldkernel
>
> but i cant boot the new kernel by typing in
>
> 0:sd(0,a)kernel
>
> I even tried remaking the kernel with the line
> kernel config on sd0 instead if wd0 and same results.
>
> what could be wrong?
If the BIOS boots from the IDE controller first, you will almost certainly
need to boot the kernel using 1:sd(0,a) rather than 0:sd(0,a). You will
probably want to save this information in the boot.config file.
> what files could i send you to help me fix this problem?
1. output from 'dmesg'
2. kernel config file (/usr/src/sys/i386/conf/{MYKERNEL})
3. FS table (/etc/fstab)
Kind regards
Keith
--
v Keith Jones Systems Manager, Blueberry New Media Ltd. v
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