Seqanswers Leaderboard Ad

Collapse

Announcement

Collapse
No announcement yet.
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Bowtie signal 9 (KILL) error

    I'm aligning a bunch of Illumina runs using Bowtie2 and I'm getting a frustrating error with only a few of the fastq files.

    I run them with the following command:

    bowtie2 -p 10 -x mm10_genome -1 SRR594396_1.fastq -2 SRR594396_2.fastq --local --very-sensitive-local --no-mixed --no-discordant | samtools view -uS - | samtools sort -m 10000000000 - SRR594393_genome

    Here are the outputs I get for a few fastq file pairs:

    SRR594399_genome
    [samopen] SAM header is present: 22 sequences.
    Parse error at line 111594048: missing colon in auxiliary data
    [bam_sort_core] merging from 2 files...

    SRR594400_genome
    [samopen] SAM header is present: 22 sequences.
    bowtie2-align died with signal 9 (KILL)
    [sam_read1] reference 'SRR59' is recognized as '*'.
    [main_samview] truncated file.
    [bam_sort_core] merging from 2 files...

    SRR594401_genome
    [samopen] SAM header is present: 22 sequences.
    Parse error at line 111266936: sequence and quality are inconsistent
    [bam_sort_core] merging from 2 files...

    SRR594396_genome
    [samopen] SAM header is present: 22 sequences.
    bowtie2-align died with signal 9 (KILL)
    Parse error at line 111938538: missing colon in auxiliary data
    [bam_sort_core] merging from 2 files...

    SRR594415_genome
    [samopen] SAM header is present: 22 sequences.
    bowtie2-align died with signal 9 (KILL)
    Parse error at line 112131890: missing colon in auxiliary data
    [bam_sort_core] merging from 2 files...

    SRR594417_genome
    [samopen] SAM header is present: 22 sequences.
    bowtie2-align died with signal 9 (KILL)
    Parse error at line 112044487: sequence and quality are inconsistent
    [bam_sort_core] merging from 2 files...

    I can't find anything about this KILL error and googling the parse errors isn't helping much. I think the parsing has something to do with bowtie failing and then the sam->bam operation subsequently failing on the last line.

    Can anyone help with this KILL business?

  • #2
    Also getting KILL

    I am also getting this when I turn on the -a option.

    Without -a my file of ~7M reads gets mapped against human genome hg19 successfully. With -a it bombs out even if I truncate to 200k reads. Maybe the process is using too much memory and the OS is killing it?

    Comment


    • #3
      I was thinking a memory issue when I first read this. Have a look at the requirement on there website. Failing that drop them an email.

      Comment


      • #4
        What happens when you use --local --very-sensitive-local at the same time? I assume it picks one and keeps on going?

        Comment


        • #5
          How much memory does you system have?

          System may kill processes if there is severe resource starvation; i.e. no memory available.

          Comment


          • #6
            Yes, it was running out of memory.

            Switched to using -k instead of -a and it completed.

            Comment


            • #7
              Hi all,
              I am encountering same issue SIGNAL 9 (KILL). I wonder how you solved this issue.

              Anthony h,
              Could you describe more detail how you set -k <int> options?

              Comment

              Latest Articles

              Collapse

              • seqadmin
                Essential Discoveries and Tools in Epitranscriptomics
                by seqadmin


                The field of epigenetics has traditionally concentrated more on DNA and how changes like methylation and phosphorylation of histones impact gene expression and regulation. However, our increased understanding of RNA modifications and their importance in cellular processes has led to a rise in epitranscriptomics research. “Epitranscriptomics brings together the concepts of epigenetics and gene expression,” explained Adrien Leger, PhD, Principal Research Scientist on Modified Bases...
                Yesterday, 07:01 AM
              • seqadmin
                Current Approaches to Protein Sequencing
                by seqadmin


                Proteins are often described as the workhorses of the cell, and identifying their sequences is key to understanding their role in biological processes and disease. Currently, the most common technique used to determine protein sequences is mass spectrometry. While still a valuable tool, mass spectrometry faces several limitations and requires a highly experienced scientist familiar with the equipment to operate it. Additionally, other proteomic methods, like affinity assays, are constrained...
                04-04-2024, 04:25 PM

              ad_right_rmr

              Collapse

              News

              Collapse

              Topics Statistics Last Post
              Started by seqadmin, 04-11-2024, 12:08 PM
              0 responses
              55 views
              0 likes
              Last Post seqadmin  
              Started by seqadmin, 04-10-2024, 10:19 PM
              0 responses
              52 views
              0 likes
              Last Post seqadmin  
              Started by seqadmin, 04-10-2024, 09:21 AM
              0 responses
              45 views
              0 likes
              Last Post seqadmin  
              Started by seqadmin, 04-04-2024, 09:00 AM
              0 responses
              55 views
              0 likes
              Last Post seqadmin  
              Working...
              X