I am having a kernel panic when IPsec SA key expired with autogenerated policies .
this problem happens a least with latest RedHat EL 2.6 kernels and 2.4 kernels
I found the solution of my problem here
And it seems that it is a kernel bug.
the description is diffirent as i am having this problem on i386.
anyway the fix proposed on the mailing list is working for me.
I would recomand to integrate this patch into the next kernel release.
if it is not done already !
This bug is filed against RHEL 3, which is in maintenance phase.
During the maintenance phase, only security errata and select mission
critical bug fixes will be released for enterprise products. Since
this bug does not meet that criteria, it is now being closed.
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information on how this bug is affecting you.