RHEL7: Softirq hang in ipv6 route cache garbage collection
Issue
- Customer seems to be hitting issue described in kb https://access.redhat.com/solutions/1985663 however they are on kernel-3.10.0-327.10.1.el7.x86_64 which includes a fix.
- Even although the kernel contains the fix for https://access.redhat.com/solutions/1985663, more tuning is required.
Environment
- Red Hat Enterprise Linux 7.2
- kernel-3.10.0-327.10.1.el7.x86_64
- Ipv6
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