On Wed, Nov 19, 2014 at 07:39:44PM -0200, Leonardo Santos wrote: > After run regression tests using 'git bisect', I identify that the error > was created after commit 8c081b52c6833a30a69ea3bdcef316eccc740c87 > > To reproduce this error just: > - create a raid1 HDDs for origin device; > - create a cache device with SSDs (could or not be raid) > - create a metadata device with SSDs (could or not be raid) > - create a cache device using prior devices > - kernel crashes. > > @@ -1115,8 +1142,7 @@ static void check_for_quiesced_migrations(struct cache *cache, > return; > > INIT_LIST_HEAD(&work); > - if (pb->all_io_entry) > - dm_deferred_entry_dec(pb->all_io_entry, &work); > + dm_deferred_entry_dec(pb->all_io_entry, &work); > > if (!list_empty(&work)) > queue_quiesced_migrations(cache, &work); This looks suspicious, I believe the all_io_entry is not set if the io covers a complete block. Any chance you could test with this fragment backed out please? - Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
