Date: Thu, 28 Feb 2002 01:56:11 -0500 From: "Clark C . Evans" <cce@clarkevans.com> To: freebsd-hackers@FreeBSD.org Subject: Re: read-only root partition? Message-ID: <20020228015610.A23549@doublegemini.com> In-Reply-To: <20020228012649.A23259@doublegemini.com>; from cce@clarkevans.com on Thu, Feb 28, 2002 at 01:26:49AM -0500 References: <20020227175541.A17132@doublegemini.com> <20020228003540.V39476-100000@nohow.demon.co.uk> <20020228012649.A23259@doublegemini.com>
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Ok. I have a slight problem, I swapped by CD Writer (HP 8100)
with a CD-Reader (Mitsumi) and rebooted. I get a new
error during the boot process... immediatly following:
| acd0: CD-RW <...>
| Mouning from root iso9660:cd0a
| no such device 'cd'
| setrootbyname failed
| iso_mountroot: can't find rootvp
| Root mount failed: 6
| Mounting root from iso9660:acd0
acd0: READ_BIG - MEDIUM ERROR asc=02 ascq=0 error=00
Root mount failed: 5
no such device 'wcd'
set rootbyname failed
cd9960: Rockridge Extension
acd0: READ_BIG - command timeout - resetting
bus error
...
bunch more READ_BIG MEDIUM ERRORs and timeouts
then a "vm fault pager read error", then a
"bus error core dumped"... then it ends saying
that it can't mount fstab so startup is aborted.
...
Does this have anything to do with the following error?
| During burning the iso image, I get a message to my
| console, PREVENT_ALLOW - ILLEGAL REQUEST asc=64 ascq=0 error=04
| this occurs as burncd is "fixing".
I replaced the reader with the writer and all is well, so,
I see a few potentials for this problem:
(a) bad media
(b) bad writer
(c) bad reader
(d) imperfect software
(e) some combination
It's about time I replaced by CD-Writer and got a new CD-Reader,
any brands that you recommend? I can get new media while I'm at it.
By the way, another group of warnings appear in both boot cases...
Warning: Bytes per inode restrict cylinders per group to 9
Warning: Inode blocks/cylinder group (285) >= data blocks (256)
in the last cylinder group, this implies that 4096
cylinders cannot be allocated
496 blocks
Warning: Block size restricts cylinders per group to 26
496 blocks
mounting non-volitle disk
Is this something to be worried about?
Thank you all so much.
Best,
Clark
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