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  • 1 (2009-04-16 (Thu) 15:06:10)
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[[Murasaki]]

&contents;

* I get an error like "Encountered exception: Murasaki: Error creating System V IPC shared memory segment (size: 36.93 mb) for dna/human/chrX.fa.gz: Invalid argument" [#zd78b873]

The default linux kernel only permits a total of 32mb of shared memory. Using System V IPC shared memory with murasaki and large sequences you'll quickly run into this limit. You can set a higher limit (say 6gb) by running "sysctl -w kernel.shmmax=6442450944" (or setting this in /etc/sysctl.conf).