Date: Thu, 12 Feb 2004 08:33:34 +1030 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Bart Kus <eo@shell-server.com> Cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/62228: Kernel improperly identifies partition size ofconcat (grown) vinum volume Message-ID: <20040211220334.GP8342@wantadilla.lemis.com> In-Reply-To: <200402061630.i16GUNRr074393@freefall.freebsd.org> References: <200402061630.i16GUNRr074393@freefall.freebsd.org>
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On Friday, 6 February 2004 at 8:30:23 -0800, Bart Kus wrote:
> The following reply was made to PR kern/62228; it has been noted by GNATS.
>
> From: Bart Kus <eo@shell-server.com>
> To: freebsd-gnats-submit@FreeBSD.org
> Cc:
> Subject: Re: kern/62228: Kernel improperly identifies partition size of concat
> (grown) vinum volume
> Date: Fri, 6 Feb 2004 10:29:03 -0600 (CST)
>
> Here's a trace of the core dump:
>
> ...
> #3 0x08049166 in _start (ap=0xbfbfeda4 "fsck_ffs")
> at /usr/src/lib/csu/i386-elf/crt1.c:104
> (gdb) list
> 78 if (c == 0) {
> 79 i = cgbase(&sblock, c);
> 80 } else
> 81 i = cgsblock(&sblock, c);
> 82 for (; i < cgd; i++)
> 83 setbmap(i);
> 84 }
> 85 i = sblock.fs_csaddr;
> 86 cgd = i + howmany(sblock.fs_cssize, sblock.fs_fsize);
> 87 for (; i < cgd; i++)
> (gdb) print i
> $1 = 179277840
> (gdb) print cgd
> $2 = 179279224
> (gdb) print c
> $3 = 3979
You can use the command 'i loc' to show all local variables.
> Please let me know if any other info can be provided.
>
> I seem to have exhausted the file system now, btw, by copying about 1GB to
> it. Kernel messages are:
>
> <loop>
> bad block 198877168, ino 43535234
> pid 96177 (ftpd), uid 1001 inumber 43535234 on /usr/local/media: bad block
> </loop>
>
> This is getting bad. I'm gonna have to re-install 4.9 soon to run an fsck
> and fix this thing up.
I've taken a look at this PR, and I'm not sure quite what to do. As
you've seen, le@ is currently looking at Vinum bugs, but I'm not even
sure this is a Vinum bug; it could very well be growfs. There are
also undoubtedly bugs remaining in fsck. If you can find a spare disk
and install 4.9 on it, then use it to fsck this volume, the results
could be interesting.
Greg
--
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