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SubjectRe: HELP! ext2 errors... :-(
   From: Ricardo Kleemann <ricardo@americasnet.com>
Date: Mon, 28 Sep 1998 14:23:32 EDT

I've been trying to fight some painful ext2 errors for quite some
time. At first I was having them on SCSI, so I temporarily
transferred files over to IDE but I'm still losing this battle...

Umm... you have a very sick machine.....

Here are the types of errors I see in messages:
free_one_pmd: bad directory entry 00000029
free_one_pmd: bad directory entry 08cea798

This tends to indicate memory corruption problems, and is unrelated to
the disk problems below....

hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdc: dma_intr: error=0x84 { BadSector DriveStatusError }, LBAsect=11258246,
sector=11257940
hdc: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdc: dma_intr: error=0x84 { BadSector DriveStatusError }, LBAsect=11258246,
sector=11257940

This almost certainly means that your IDE disk has bad blocks on your
disk. These can be mapped out so that ext2 won't use those blocks, but
if you have a large number of bad blocks on your disk, you're likely to
see a progressive failure of your disk, and you should replace the disk
before it eats all of your data....

When it was with the scsi, I was getting inode errors...

I can't really speak to the SCSI errors, without seeing the exact error
messages. But given that the above free_one_pmd error messages as well,
I'm very suspicious that there isn't something else going on.

Is this a new system, or one which has been working in the past? If
it's been working in the past, has anything changed about the system
recently? If it's a new system, you might want to consider getting it
exchanged or repaired while it's under warranty, since this smells like
some manufacturer dumped you with all of their marginal stock....

- Ted

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