Kernel messages "bio too big device dm-10 (512 > 256)" on RHEL
Issue
- kernel log "bio too big device dm-10 (512 > 256)" are appearing in the messages file.
- task blocked for more than 120 seconds error messages start to appear in /var/log/messages
Environment
- Red Hat Enterprise Linux (RHEL) 5.6
- Red Hat Enterprise Linux (RHEL) 6
- SAN storage connected to HP EVA6400 storage array
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
