Re: mount /dev/hdb2 /usr; swapon /dev/hdb2 keeps flooding

From: Matthew Dharm (mdharm-kernel@one-eyed-alien.net)
Date: Sat May 12 2001 - 18:25:01 EST

I was under the impression that you need to call swapon on swap partitions,
and not on mounted filesystems.

Matt

On Sun, May 13, 2001 at 01:00:39AM +0200, BERECZ Szabolcs wrote:
> Hi!
>
> root@kama3:/home/szabi# cat /proc/mounts
> ...
> /dev/hdb2 /usr ext2 rw 0 0
> ...
> root@kama3:/home/szabi# swapon /dev/hdb2
> set_blocksize: b_count 1, dev ide0(3,66), block 2, from c0126b48
> set_blocksize: b_count 1, dev ide0(3,66), block 3, from c0126b48
> set_blocksize: b_count 1, dev ide0(3,66), block 4, from c0126b48
> set_blocksize: b_count 1, dev ide0(3,66), block 5, from c0126b48
> set_blocksize: b_count 1, dev ide0(3,66), block 6, from c0126b48
> set_blocksize: b_count 1, dev ide0(3,66), block 7, from c0126b48
> set_blocksize: b_count 1, dev ide0(3,66), block 8, from c0126b48
> set_blocksize: b_count 1, dev ide0(3,66), block 1, from c0126b48
> Unable to find swap-space signature
> swapon: /dev/hdb2: Invalid argument
> root@kama3:/home/szabi#
>
> and then set_blocksize keeps flooding the console, not continuously,
> but 20-40 lines at a time, then it sleeps a bit, sometimes half a
> minute (caused by kupdated?)
>
> root@kama3:/home/szabi# mount -o remount,ro /usr
> ll_rw_block: device 03:42: only 4096-char blocks implemented (1024)
> root@kama3:/home/szabi#
>
> once I got these:
> ll_rw_block: device 03:42: only 4096-char blocks implemented (1024)
> EXT2-fs error (device ide0(3,66)): ext2_write_inode: unable to read inode block
> - inode=2084, block=8207
> ll_rw_block: device 03:42: only 4096-char blocks implemented (1024)
> EXT2-fs error (device ide0(3,66)): ext2_write_inode: unable to read inode block
> - inode=6328, block=24609
> ...
>
> szabi@kama3:/hdc1/kernel/linux-2.4.4-ac6# gdb vmlinux
> (gdb) disas 0xc0126b48
> ...
> 0xc0126b43 <sys_swapon+371>: call 0xc012bcc0 <set_blocksize>
> 0xc0126b48 <sys_swapon+376>: mov 0xe8(%edi),%edi
> 0xc0126b4e <sys_swapon+382>: mov %edi,0xffffffd0(%ebp)
> ...
>
> I tried it on several partitions, and it worked on /dev/hdc,
> and did not work on /dev/hdb
> on /dev/hdb all the filesystems are ext2
> on /dev/hdc one fs is a new, clean ext2, the others are reiserfs
>
> so I really don't know what's the problem.
>
> do you need any other information?
>
> Bye,
> Szabi
>
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-- 
Matthew Dharm                              Home: mdharm-usb@one-eyed-alien.net 
Maintainer, Linux USB Mass Storage Driver

C:  Like the Furby?
DP: He gives me the creeps.  Think the SPCA will take him?
					-- Cobb and Dust Puppy
User Friendly, 1/2/1999
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