On Sun, Dec 1, 2024 at 5:31 AM Paul E. McKenney <[email protected]> wrote:

> Does booting with the "rcupdate.rcu_normal=1" kernel boot parameter
> also suppress the problem?

setting rcupdate.rcu_normal=1 also suppresses the problem. I guess this makes
RCU code not do synchronize_rcu_normal() in stead of the full
synchronize_rcu_expedited() which is where I get the kernel Oops.

> That "pc =" down below is the program counter?  If so, I am at a loss
> as to what RCU could do to make it be zero.
>

No sure why this happens, if the RCU code is passing around pointers to
worker function and this somehow ends up being a null pointer on the Alpha?

/Magnus

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