From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Tue, 15 Nov 2005 22:33:58 +0000
From: Alasdair G Kergon <agk@redhat.com>
Subject: Re: [linux-lvm] Sorry, dm:1.02, lvm2:2.02 did not work for me
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To: "James G. Sack (jim)" <jsack@tandbergdatacorp.com>
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> > The kcopyd.c BUG at line 145 is triggered by the first lvremove
> > following start of the i/o (copy loop).

Try some kernel patches.

  http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/

in particular these four:

  dm-snapshot-bio_list-fix.patch
  dm-snapshot-metadata-reading-separation.patch
  dm-snapshot-load-metadata-on-creation.patch
  dm-ioctl-reduce-pf-memalloc-usage.patch

Alasdair
-- 
agk@redhat.com