RHEL: system crashes during "ip link" command after allocation failure in cnic module
Issue
- A gluster node suddenly rebooted itself. We found that kernel panic occurred.
- We tried to get the network working again by executing "ip link down"/"ip link up"/"ip link down" and the system crashed.
- kernel BUG at drivers/pci/msi.c:411!
Environment
- Red Hat Enterprise Linux
- kernel 3.10.0-229.14.1.el7
- bnx2
- cnic (ISCSI offloading
- bnx2
- Gluster storage
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