I use
  > bwa-0.7.15/bwa mem -t 16 genome_seq/index.fa \
     forwardseq.fq  reverseseq.fq > mapped.sam
then
  > samtools view -bhS mapped.sam | samtools sort - mapped.sam.sorted
(to prepare data for variant calls) when I see this error on all 4 sets of 
our sequences (i.e. reproducible):

   [bam_header_read] EOF marker is absent. The input is probably truncated

when I searched for clues I found it was discussed on older version of bwa 
prior to 2013 (it seems there were patches to solve the unexpected 
problem). I wonder is this something new or the fixes were not implemented 
in new bwa versions?  How to find out if the results are good for 
subsequence varant calling?

Thanks in advance!

Zhiliang


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